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5pcs D20mm Ultrasonic Mist Maker Atomizing Transducer Atomizer Ceramic Humidifier Accessories 5pcs D20mm Ultrasonic Mist Maker Atomizing Transducer Atomizer Ceramic Humidifier Accessories Product Introduction: 1.Specification:20*1.2mm 2.Resonance Frequency:1.70MHz 3.Resonance Impedance:<2 ohm 4.Coupling Coefficient:>52 % 5.Static Capacitance:1800pF 6.Atomization Amount:<380ml/h Details: $3.38
$4.39
SKU: 12749
$3.38
$4.39

23

5pcs 5V 1A 2.6*1.7cm Lithium Battery Charging Board Micro USB Charger Module 5pcs 5V 1A 2.6*1.7cm Lithium Battery Charging Board Micro USB Charger Module Product Introduction: 1.Input Voltage:5V 2.Charging Cut-Off Voltage:4.2V±1% 3.Maximum Charging Current:1000mA 4.Overdischarging Protection Voltage:2.5V 5.Overcurret Protection Current:3A 6.Board Size:2.6*1.7cm Not... $2.80
$3.59
SKU: 12734
$2.80
$3.59

23

10PCS TTP223 Capacitive Touch Switch Touching Button Key Switch Module Self-Locking/No-Locking Module for Arduino 10PCS TTP223 Capacitive Touch Switch Touching Button Key Switch Module Self-Locking/No-Locking Module for Arduino Specification: 1.Size:15*11mm 2.Power:2.5-5.5V   Trigger setting mode: (1->Short;0->No Short) AB=00:No-lock High TTL level ouput; AB=01:Self-lock High TTL level ouput; AB=10:No-lock Low TTL level ou... $2.36
$3.03
SKU: 12675
$2.36
$3.03

10PCS TP4056 1A Li-ion Lithium Battery Charging Module Charging Board Charger with Micro USB 10PCS TP4056 1A Li-ion Lithium Battery Charging Module Charging Board Charger with Micro USB Description: 1. Charge Module: Linear charging 2. Current: 1A adjustable 3. Charge Precision: 1.5% 4. Input Voltage: 4.5V-5.5V 5. Full Charge Voltage: 4.2V 6. Led Indicator: Red is charging; Blue is full charged 7. Input In... $3.11
$3.99
SKU: 12620
$3.11
$3.99

23

LY7 12V Lead Acid Battery Capacity Indicator Voltage Indicator LCD Display Battery Power Tester with Touch Button LY7 12V Lead Acid Battery Capacity Indicator Voltage Indicator LCD Display Battery Power Tester with Touch Button Description Support battery: lithium battery/lead-acid battery Support type: lithium battery(2S-7S); lead-acid battery(12V-24V) Suitable temperature: -10~40℃ Sleep mode power consumption: 10uA Working state Power cons... $8.23
$10.55
SKU: 12537
$8.23
$10.55

23

White LCD Screen 1602 DC 3.3V-5V Blue Background IIC SPI 16x2 Display Module for Arduino White LCD Screen 1602 DC 3.3V-5V Blue Background IIC SPI 16x2 Display Module for Arduino Parameter: NO. Parameter Value 1 Model YB1602-J 2 Dot matrix 16*2 3 Exterior size 80... $4.99 SKU: 12533
$4.99

Green OLED Screen Module 1602 DC 3.3V-5V 16x2 Display Module for Arduino Green OLED Screen Module 1602 DC 3.3V-5V 16x2 Display Module for Arduino Parameter: NO. Parameter Value 1 Model 1602-OLED 2 Dot matrix 16*2 3 Exterior size 8... $18.49 SKU: 12532
$18.49

Red OLED Screen 1602 DC 3.3V-5V 16x2 Display Module for Arduino Red OLED Screen 1602 DC 3.3V-5V 16x2 Display Module for Arduino Parameter: NO. Parameter Value 1 Model 1602-OLED 2 Dot matrix 16*2 3 Exterior size 8... $18.49 SKU: 12531
$18.49

Yellow OLED Screen 1602 DC 3.3V-5V 16x2 Display Module for Arduino Yellow OLED Screen 1602 DC 3.3V-5V 16x2 Display Module for Arduino Parameter: NO. Parameter Value 1 Model 1602-OLED 2 Dot matrix 16*2 3 Exterior size 8... $18.49 SKU: 12530
$18.49

Blue OLED Screen 1602 DC 3.3V-5V 16x2 Display Module for Arduino Blue OLED Screen 1602 DC 3.3V-5V 16x2 Display Module for Arduino Parameter: NO. Parameter Value 1 Model 1602-OLED 2 Dot matrix 16*2 3 Exterior size 8... $18.49 SKU: 12529
$18.49

Door Magnet Relay Module DC 5V/12V Normally Closed Reed Switch Control Switch for Arduino Door Magnet Relay Module DC 5V/12V Normally Closed Reed Switch Control Switch for Arduino 1. Description: The hall sensor contact the magnet, and the reed switch of the hall sensor is pulled in. Then the relay is released. On the contrary, the relay attracts.   2. Feature: 1>. The line length is 23CM.&... $4.99 SKU: 12526
$4.99

Active Buzzer Module DC 3-5V Alarm Module Low Level Trigger for Arduino Active Buzzer Module DC 3-5V Alarm Module Low Level Trigger for Arduino 1. Description: When the IN port is low, the triode will turn-on. Then the buzzer ring, and small red lamp lights. It can be used as the external module of many kinds of circuits, such as MCU.   2. Feature: Audib... $1.65 SKU: 12524
$1.65

USB Heater 5V 5W Bendable Heating Film 30-40Celsius 1M USB for Gloves/Home USB Heater 5V 5W Bendable Heating Film 30-40Celsius 1M USB for Gloves/Home Description: Support all USB interface with 1.5A output capability, heating piece can be bent freely. Note: 1>. If exposed to air, the heating pad does not work well. 2>. The heating piece can be placed directly in therm... $2.35 SKU: 12521
$2.35

Temperature Sensor Module DC 3.3V-12V NTC-10K Thermistor Module for Arduino Temperature Sensor Module DC 3.3V-12V NTC-10K Thermistor Module for Arduino Description: The temperature sensor test temperature,and the voltage comparison to detect the temperature. When the temperature is greater than the set point, the DO outputs are low. Features: 1>. 2mm temperature sensor head,... $2.15 SKU: 12519
$2.15

LM317 Adjustable DC Power Supply Module DIY Kit Electronic Production LM317 Adjustable DC Power Supply Module DIY Kit Electronic Production 1. Description: LM317 adjustable DC power supply board.   2. Features: 1>. This is a particularly practical power pack that switches the voltage display or voltmeter function freely by twisting the voltage knob! ... $10.95
$13.69
SKU: 12518
$10.95
$13.69

Second Counter Counting DIY Kit Signal Generation Circuit Teaching Suite Learning Kits Second Counter Counting DIY Kit Signal Generation Circuit Teaching Suite Learning Kits Description: The signal generating part of the second counter is composed of an integrated circuit CD4060. Principle: CD4060 contains an oscillator, the oscillator circuit can be connected to RC or crystal oscillator, the circui... $3.00
$3.75
SKU: 12517
$3.00
$3.75

Pyroelectric Infrared Sensor Module DIY Kit Anti-theft Circuit Sensor Module DIY Kits Pyroelectric Infrared Sensor Module DIY Kit Anti-theft Circuit Sensor Module DIY Kits Description: The pyroelectric infrared sensor anti-theft circuit consists of pyroelectric infrared sensor PIR, integrated operational amplifier LM358, voltage comparator LM393, 110 alarm circuit and startup delay circuit. The circuit c... $4.79
$5.99
SKU: 12516
$4.79
$5.99

Voice Control Electronic Crystal Column DIY Kit Colorful LED Music Spectrum Suite Learning Kits Voice Control Electronic Crystal Column DIY Kit Colorful LED Music Spectrum Suite Learning Kits Description: An audio indicator that bounces with music. Parameter: 1>. Super long animation, many audio effects 2>. Exquisite independent buttons control various functions 3>. Exquisite PCB, military grade plate ... $11.48
$14.35
SKU: 12515
$11.48
$14.35

STC15F104W Microcontroller Core board Learning Board Development Replace STC15F104E STC15F104W Microcontroller Core board Learning Board Development Replace STC15F104E Description: 1>. Timer module: T0 and T2, T0 work is 16 bits can automatically reset the initial value of the timer counter in the way 0, and it is 8 bits of automatic reset counter in the way 2, in the way 3 is decomposable. The wo... $1.68
$2.15
SKU: 12514
$1.68
$2.15

Pin Board Adapter Wireless Module Converter for ESP8266 ESP-01 ESP-01S Pin Board Adapter Wireless Module Converter for ESP8266 ESP-01 ESP-01S Description: 1>. This is the commonly used ESP-01 type breadboard adapter for ESP8266 serial to WIFI transceiver modules. 2>. Since the ESP-01 pin arrangement is not bread plate friendly and has no label, this makes it less con... $1.76
$2.35
SKU: 12513
$1.76
$2.35

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DHT11 Temperature Module and Humidity Shiled for ESP8266 ESP-01/ ESP-01S DHT11 Temperature Module and Humidity Shiled for ESP8266 ESP-01/ ESP-01S Description:     This module uses ESP8266-01/ESP-01S (without ESP-01S or ESP-01) as the master control, and DHT11 as temperature and humidity sensor.     ESP8266 collects the temperature and humidity in ... $2.93
$3.75
SKU: 12512
$2.93
$3.75

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ESP8266 Wireless Module DHT11 Temperature Humidity Module Wireless WiFi Module Kit ESP-01/ESP-01S ESP8266 Wireless Module DHT11 Temperature Humidity Module Wireless WiFi Module Kit ESP-01/ESP-01S Description:     This module uses ESP8266-01/ESP-01S (random hair, ESP-01S or ESP-01) as the master control, and DHT11 as temperature and humidity sensor.     ESP8266 collects the temperature and humidit... $4.95
$6.35
SKU: 12511
$4.95
$6.35

5pcs Micro USB Power Light Lamp 12pcs LEDs Board Emergency Light 5730 SMD Super Bright White Lamp Light 5pcs Micro USB Power Light Lamp 12pcs LEDs Board Emergency Light 5730 SMD Super Bright White Lamp Light Description: USB lights, using MICRO USB interface design, easy access to ordinary mobile phone charger and mobile power use. Parameter: NO. Parameter Value 1 Work... $2.33
$2.99
SKU: 12509
$2.33
$2.99

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5pcs Micro USB Mobile Power Lamp 4pcs LEDs Board Emergency Light 5730 SMD LED Super Bright Lamp Light 5pcs Micro USB Mobile Power Lamp 4pcs LEDs Board Emergency Light 5730 SMD LED Super Bright Lamp Light Description: USB lights, using MICRO USB interface design, easy access to ordinary mobile phone charger and mobile power use. Parameter: NO. Parameter Value 1 Work... $1.55
$1.99
SKU: 12507
$1.55
$1.99

5V Bluetooth Audio Module Bluetooth Receiver Universal Audio Module 5V Bluetooth Audio Module Bluetooth Receiver Universal Audio Module 1. Description: The module can choose mono and stereo output, and the Bluetooth antenna is built. The power supply voltage is 5V. It can be used as common power amplifier and active speaker to increase Bluetooth connection function. ... $2.24
$2.99
SKU: 12506
$2.24
$2.99

25

Bluetooth Audio Receiver Module MP3 WMA WAV FLAC Decode Board Lossless Bluetooth 4.2 Bluetooth Audio Receiver Module MP3 WMA WAV FLAC Decode Board Lossless Bluetooth 4.2 Description: KCX_BT003 is a Bluetooth audio decoder with Bluetooth, audio, Bluetooth, MP3 decoding in one.     In Bluetooth mode, it supports the various smart phone players on the market to play music, and support cal... $2.81
$3.75
SKU: 12505
$2.81
$3.75

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Bluetooth Audio Receiver Module Lossless Bluetooth 4.2 Wireless MP3 Decode Board Module Bluetooth Audio Receiver Module Lossless Bluetooth 4.2 Wireless MP3 Decode Board Module 1. Description: KCX_BT002 is a Bluetooth audio module that integrates Bluetooth, audio and Bluetooth phone calls. It supports the market, all kinds of intelligent mobile phone player to play music, voice calls, telephone / hang up call... $4.76
$6.35
SKU: 12504
$4.76
$6.35

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Bluetooth Audio Receiver Module Wireless Lossless Bluetooth 4.2 MP3 Decode Board with Remote Control Bluetooth Audio Receiver Module Wireless Lossless Bluetooth 4.2 MP3 Decode Board with Remote Control 1. Description: KCX_BT001 is a Bluetooth audio decoder with Bluetooth, audio, Bluetooth, MP3 decoding in one.     In Bluetooth mode, it supports the various smart phone players on the market to play music, and support ... $5.99
$7.99
SKU: 12503
$5.99
$7.99

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DC 3.7V-5V MP3 Decoder Decoding Board Module Memory Play with TF Memory Card Socket Mono 2W DC 3.7V-5V MP3 Decoder Decoding Board Module Memory Play with TF Memory Card Socket Mono 2W Description: 1>. The MP3_Decoding module is designed by using GPD2856C decoding and playing chip. Products take full account of the industry product design simplicity, cost, structural installation, anti-interference, reliability, s... $1.83
$2.35
SKU: 12502
$1.83
$2.35

23

5V Infrared Sensor Relay Module Remote Control Switch Intelligent Control for Arduino AVR MCU 5V Infrared Sensor Relay Module Remote Control Switch Intelligent Control for Arduino AVR MCU Description: LCIS uses MCU embedded technology, can directly use the market commonly used TV, air conditioning and other remote control module, so as to achieve the infrared wireless remote control function. Function and Feature... $2.10
$2.69
SKU: 12501
$2.10
$2.69

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Bluetooth Relay Module Remote Control Switch 12V IOT Wireless Module Bluetooth Relay Module Remote Control Switch 12V IOT Wireless Module 1. Description: It is a bluetooth smart relay module.   2. Parameter: Num. Parameter Value 1 On-board module On-board SPP--... $7.16
$9.55
SKU: 12500
$7.16
$9.55

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ICL8038 Signal Generator Medium/Low Frequency Module 10Hz-450KHz Triangular/Rectangular/Sine Wave ICL8038 Signal Generator Medium/Low Frequency Module 10Hz-450KHz Triangular/Rectangular/Sine Wave Description: ICL8038 module is designed for the usual frequency range, adjustable in 5 stalls, and can produce low distortion triangle wave, rectangle wave and sine wave pulse signals from 10Hz to 450KHz. Sine wave can be used to tes... $4.67
$5.99
SKU: 12499
$4.67
$5.99

PWM to Voltage Converter Module 0%-100% to 0-10V for PLC MCU Digital to Analog Signal PWM to Voltage Converter Module 0%-100% to 0-10V for PLC MCU Digital to Analog Signal Description: 1. The PWM transfer voltage module LC-LM358-PWM2V converts the PWM digital signals into 0 to 10V analog signals. 2. It can be used as signal interface switching for PLC or other industrial control boards. The output volt... $4.67
$5.99
SKU: 12498
$4.67
$5.99

40PCS Silicone Tact Switch Button Kit 6x6mm 8Value Each 5pcs Component Suite 40PCS Silicone Tact Switch Button Kit 6x6mm 8Value Each 5pcs Component Suite Description: NO. Parameter Value 1 Practical Temperature -25~85℃ 2 Withstand Voltage AC250V(50Hz/60Hz)/min ... $3.44
$4.35
SKU: 12497
$3.44
$4.35

130PCS SMD Tact Switch Button Kit 12x12x4.3-10mm 13Value Each 10pcs Component Suite 130PCS SMD Tact Switch Button Kit 12x12x4.3-10mm 13Value Each 10pcs Component Suite Description: NO. Parameter Value 1 Practical Temperature -25~85℃ 2 Withstand Voltage AC250V(50Hz/60Hz)/min ... $7.70
$9.75
SKU: 12495
$7.70
$9.75

120pcs Waterproof SMD Tact Switch Button Kit 4x4x1.5-5mm Black 12Value Each 10pcs Component Suit 120pcs Waterproof SMD Tact Switch Button Kit 4x4x1.5-5mm Black 12Value Each 10pcs Component Suit 1. Description: NO. Parameter Value 1 Practical Temperature -25~85℃ 2 Withstand Voltage AC250V(50Hz/60Hz)/min ... $4.31
$5.45
SKU: 12494
$4.31
$5.45

140PCS Tact Switch Button Kit 4.5x4.5x3.8-9mm Black 14Value Each 10pcs Component Suite 140PCS Tact Switch Button Kit 4.5x4.5x3.8-9mm Black 14Value Each 10pcs Component Suite Description: NO. Parameter Value 1 Practical Temperature -25~85℃ 2 Withstand Voltage AC250V(50Hz/60Hz)/min ... $4.54
$5.75
SKU: 12493
$4.54
$5.75

OTL Power Amplifier Circuit DIY Kit Module Electronic Practice Kit Learning Suite OTL Power Amplifier Circuit DIY Kit Module Electronic Practice Kit Learning Suite Description: This kit can be used in the teaching and training of electronic technology and skills, electronic skills teaching, electronic technology teaching, digital circuit teaching, electronic enthusiasts and beginners training. ... $2.20
$2.75
SKU: 12492
$2.20
$2.75

LM386 Oscillation Circuit DIY Kit Electronic Practice Kit Learning Suite LM386 Oscillation Circuit DIY Kit Electronic Practice Kit Learning Suite Description: This kit can be used in the teaching and training of electronic technology and skills, electronic skills teaching, electronic technology teaching, digital circuit teaching, electronic enthusiasts and beginners training. ... $2.39
$2.99
SKU: 12491
$2.39
$2.99

Greedy Snake Funny DIY Kit 8x8 LED Light Lamp Display Dot Matrix Module Panel DIY Kits Game for Student Training Greedy Snake Funny DIY Kit 8x8 LED Light Lamp Display Dot Matrix Module Panel DIY Kits Game for Student Training Description: Snake game is a classic puzzle game. This kit even simulates the Snake game. The game has 5 levels, each level of speed is different, the higher the level, the faster the speed. Players can control the direction of the s... $9.08
$11.35
SKU: 12490
$9.08
$11.35

Colorful Glittering Five-Pointed Star Shaped Water Light Flashing LED Lamp DIY Kit with Acrylic Shell Colorful Glittering Five-Pointed Star Shaped Water Light Flashing LED Lamp DIY Kit with Acrylic Shell Description: It is an LED flashing DIY kit, issued a dazzling color, if it is with the music together, the audio-visual effect will be better. Parameters: 1>. Operating voltage: DC4.5V-5V; 2>. Power supply mode: 3pcs AA ... $7.99
$9.99
SKU: 12489
$7.99
$9.99

LCUS-1 5V USB Relay Module CH340 USB Intelligent Control Switch Relay Module LCUS-1 5V USB Relay Module CH340 USB Intelligent Control Switch Relay Module 1. Description: 1>. Controller Chip: onboard high performance microcontroller chip 2>. Control Chip: onboard CH340 USB control chip 3>. LED Indicator Lamp: onboard power LED indicator lamp and relay status LED indica... $6.28
$7.85
SKU: 12488
$6.28
$7.85

RGB LED Light Modulator Programmable PWM Controller for Arduino RGB LED Light Modulator Programmable PWM Controller for Arduino 1. Description: 1>. Onboard high performance microcontroller chip 2>. Onboard three-channel MOSFET tube, respectively control RGB LED lamps  3>. Onboard power LED indicator lamp and reset key  4>. On... $3.89
$4.99
SKU: 12486
$3.89
$4.99

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DIY Energy Saving Lamp Kit 120pcs White LED Lamp Bulb DIY Kit Module AC 85V-277V E27 Interface DIY Energy Saving Lamp Kit 120pcs White LED Lamp Bulb DIY Kit Module AC 85V-277V E27 Interface Description: Please confirm that the lamp can be lit and then install the lampshade, because the lamp cover is not easy to remove it once installed. LED energy-saving lamps for its energy saving, environmental protection, long life a... $5.08
$6.35
SKU: 12480
$5.08
$6.35

AC to DC Adjustable Constant Current Voltage Regulator Power Supply Module DIY Kit AC 15-24V to DC 0-30V AC to DC Adjustable Constant Current Voltage Regulator Power Supply Module DIY Kit AC 15-24V to DC 0-30V Description: Adjustable DC regulated power supply Parameter: Parameter Value Model POW-CC Input Voltage 24V alternating(max) In... $6.20
$7.75
SKU: 12479
$6.20
$7.75

Audio Spectrum Indicator DIY Kit 8x4 Colorful SMD LED Soldering Practice Board Level Indicator Kit Learning Suite Audio Spectrum Indicator DIY Kit 8x4 Colorful SMD LED Soldering Practice Board Level Indicator Kit Learning Suite Description: An audio indicator that bounces with music. Parameter: Parameter Value Model ASD-84S Operating Voltage DC 5V Work ... $3.99
$4.99
SKU: 12478
$3.99
$4.99

Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display 1Hz-150Khz 3.3V-30V Signal Generator PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display 1Hz-150Khz 3.3V-30V Description: PWM output, you can set the frequency, duty cycle; Frequency is divided into four ranges, automatic switching: 1>. XXX (no decimal point): the smallest unit is 1Hz, the value range of 1Hz ~ 999Hz; 2>. X.XX (dec... $3.66
$4.69
SKU: 12477
$3.66
$4.69

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TTL to RS485 Converter 3.3V/5.0V Hardware Automatic Control for Arduino AVR TTL to RS485 Converter 3.3V/5.0V Hardware Automatic Control for Arduino AVR 1.Description:  The power supply of this product is wide voltage (3.0V ~ 30V), 3.3V system and 5.0V system compatible, 3.3V and 5.0V signals can match. This product with a terminal block and silicone wire, direct wiring use, all... $2.88
$3.69
SKU: 12476
$2.88
$3.69

Adjustable Automatic Step Up/ Step Down Power Supply Voltage Regulator Module DC 5-30V to DC 0.5-30V Adjustable Automatic Step Up/ Step Down Power Supply Voltage Regulator Module DC 5-30V to DC 0.5-30V Description: 1. Can be boosted, but also buck, the output voltage 0.5-30V arbitrary adjustment, limiting current 0-4A arbitrary adjustment; can be used for LED constant current drive, battery charging and other constant current occasio... $3.50
$4.49
SKU: 12475
$3.50
$4.49

Automatic DC-DC Step Up Step Down Boost Buck Converter Power Supply Module Voltage Regulator Module 5.5-30V to 0.5-30V Automatic DC-DC Step Up Step Down Boost Buck Converter Power Supply Module Voltage Regulator Module 5.5-30V to 0.5-30V Description: 1. Wide voltage input 5.5-30V, wide voltage output 0.5-30V, both boost can also buck, such as you adjust the output voltage of 18V, then the input voltage between 5.5-30V casually change, will be constant output 18V; and t... $2.61
$3.35
SKU: 12474
$2.61
$3.35

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433MHz Wireless Transceiver Module LoRa Communication HPD14-433 SPI Interface RSSI AGC 16x16x2mm 433MHz Wireless Transceiver Module LoRa Communication HPD14-433 SPI Interface RSSI AGC 16x16x2mm Feature: 1>. Digital RSSI Function 2>. Auto Frequency Correction 3>. Auto Gain Control 4>. Radio Frequency Awake Function 5>. Low Voltage Detection And Temperature Sensor 6>. Fast Awake And Frequency Jumping... $5.24
$6.99
SKU: 12469
$5.24
$6.99

26

433MHz SX1278 Wireless Transceiver Module LoRa Communication SPI Interface 1.8-3.7V 16x12.5x2mm 433MHz SX1278 Wireless Transceiver Module LoRa Communication SPI Interface 1.8-3.7V 16x12.5x2mm Feature: 1>. Digital RSSI Function 2>. Auto Frequency Correction 3>. Auto Gain Control 4>. Radio Frequency Awake Function 5>. Low Voltage Detection And Temperature Sensor 6>. Fast Awake And Frequency Jumping... $5.24
$6.99
SKU: 12468
$5.24
$6.99

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Wireless Transceiver Module 433MHz GFSK Security Alarm Board SPI Interface 16x16x2.7mm Wireless Transceiver Module 433MHz GFSK Security Alarm Board SPI Interface 16x16x2.7mm Feature: 1>. Digital RSSI Function 2>. Auto Frequency Correction 3>. Auto Gain Control 4>. Radio Frequency Awake Function 5>. Low Voltage Detection And Temperature Sensor 6>. Configurable Data Packet Process... $3.56
$4.75
SKU: 12467
$3.56
$4.75

25

DC 5V Infrared Flame Sensor Module Suite Warehouse IR Alarm Kit Electronic DIY Kits DC 5V Infrared Flame Sensor Module Suite Warehouse IR Alarm Kit Electronic DIY Kits Description: This circuit adopts resistors, capacitors, LEDs, potentiometers, triodes, flame sensor, buzzer, double operational amplifier LM358, double D trigger 4013 integrated chip etc. Operating voltage is DC 5V. Parameter: ... $2.12
$2.65
SKU: 12464
$2.12
$2.65

NE555 Analog Rain Drop Circuit Suite Bistable Simple Hypnotic Module DIY Kits Electronic Making NE555 Analog Rain Drop Circuit Suite Bistable Simple Hypnotic Module DIY Kits Electronic Making Description: This circuit can simulate rain drop sound “DADA”, and the time interval is adjustable. When the interval is long, it functions like hypnosis. So it is also called simple hypnosis circuit. Parameter: 1&... $1.88
$2.35
SKU: 12463
$1.88
$2.35

NE555 Electronic Organ Module Suite Bistable Oscillating Circuit DIY Kits NE555 Electronic Organ Module Suite Bistable Oscillating Circuit DIY Kits Description: This circuit scale can generate different sounds, and different keys correspond different scales. Its principle is IC555 connected as an oscillator, and the vibration frequency depends on the resistor value (R1-R10). The... $2.20
$2.75
SKU: 12461
$2.20
$2.75

4-Bit 0.56 Inch LED Digital Tube RS485 Display Screen Module PLC Communication DC 7-36V 4-Bit 0.56 Inch LED Digital Tube RS485 Display Screen Module PLC Communication DC 7-36V Feature: 1>. Easy to install, it can be embedded by opening a hole on the panel 2>. Built-in switch power switch, wide input voltage range, high conversion efficiency; and it can operate for a long time 3>. Reverse connect... $11.30
$14.49
SKU: 12459
$11.30
$14.49

23

Multivibrator Oscillating Flashing Lights LEDs DIY Kit Funny Flash Circuit Multivibrator Oscillating Flashing Lights LEDs DIY Kit Funny Flash Circuit Operating Principle: Once power on, the two triodes will compete to connect. Due to the difference of components, only one triode can be connected first. If VT1 is connected first, then VT1 collector voltage will decrease, LED1 will ... $1.19
$1.49
SKU: 12458
$1.19
$1.49

Analog Computer Program Control Bell DIY Kit 48Bit Adjustable Electronic Alarm Clock Analog Computer Program Control Bell DIY Kit 48Bit Adjustable Electronic Alarm Clock Description: 1>. This circuit has 48 channels, and it can set alarm time independently and analog computer controlled bell. If remove the buzzer and add a relay, it can control the bell ring, which functions like computer contr... $3.19
$3.99
SKU: 12457
$3.19
$3.99

DIY Kit DC 12V Typical Division Voltage Bias Single Tube Low Frequency Amplifier DIY Kit DC 12V Typical Division Voltage Bias Single Tube Low Frequency Amplifier Description: This circuit is a typical partial bias bias, emitter negative feedback of the common-emitter amplifier circuit, and then a wide range of applications in a wide range of circuits. Application: 1>. Component iden... $1.48
$1.85
SKU: 12456
$1.48
$1.85

DC 12V Mini Digital Temperature Controller Module -9~99 Celsius w/ NTC Waterproof Sensor Probe DC 12V Mini Digital Temperature Controller Module -9~99 Celsius w/ NTC Waterproof Sensor Probe 1.Parameter: Parameter  Value  Temperature Measurement Range -9~99 Celsius  Control Precision 1 Celsius  ... $4.88
$6.25
SKU: 12455
$4.88
$6.25

AC-DC 12V 300mA Isolated Switching Power Supply Module 220V to 3V Step Down Buck Converter Voltage Regulator AC-DC 12V 300mA Isolated Switching Power Supply Module 220V to 3V Step Down Buck Converter Voltage Regulator Parameter: 1>. Input Voltage Range: AC 55-277V; DC 70-390V 2>. No Load Power: <0.05W 3>. Max Input Power: 3.6W 4>. Output Voltage: 12V; ripple wave 60mV 5>. Output Current: 0mA (min); 300mA (max); output indic... $1.83
$2.35
SKU: 12454
$1.83
$2.35

23

AC-DC 3.3V 700mA Isolated Switching Power Supply Module 220V to 3.3V Step Down Buck Converter Voltage Regulator AC-DC 3.3V 700mA Isolated Switching Power Supply Module 220V to 3.3V Step Down Buck Converter Voltage Regulator Description: This product is insulated power supply module, and it has temperature, overcurrent and short circuit protection functions. High/low voltage isolated, AC 85~265V wide voltage input; AC DC multiple use; 431 precise stabili... $1.94
$2.49
SKU: 12453
$1.94
$2.49

23

AC-DC 5V 600mA 3W Isolated Switching Power Supply Module 220V to 5V Step Down Buck Converter Voltage Regulator AC-DC 5V 600mA 3W Isolated Switching Power Supply Module 220V to 5V Step Down Buck Converter Voltage Regulator Description: 1>. Input Voltage Range: AC 55-277V; DC 70-390V 2>. No Load Power: <0.05W; max input power: 3.5W 3>. Output Voltage: 5V; max output voltage range: 4.9-5.3V or 4.8-5.2V; ripple wave 60mW 4>. Output Curr... $1.83
$2.35
SKU: 12452
$1.83
$2.35

23

TEC4056 18650 Charger Module 4.2V Lithium Battery Charger with Cable TEC4056 18650 Charger Module 4.2V Lithium Battery Charger with Cable Description: 1>. 0.3A, 0.5A, 0.8A current charging 2>. Adopt micro USB interface, convenient to use 3>. Charging status LED indicator lamp: red lamp charging; green lamp fully charged 4>. Suitable for 18650 lithium no... $3.11
$3.99
SKU: 12451
$3.11
$3.99

23

TEC-06 Battery Capacity Tester Mini USB 16W Electronic Load Max 500AH LED Display with Fan TEC-06 Battery Capacity Tester Mini USB 16W Electronic Load Max 500AH LED Display with Fan Description: TEC-06 is constant current electronic load.It uses high-precision DAC loop control technology to control output current for power supply or battery. So that the current does not change with the voltage changes.It is a lo... $11.51
$14.75
SKU: 12449
$11.51
$14.75

Dual Frequency WG26 Read/Write RFID Reader Wireless Module 13.56MHz 125KHz for IC/ID/Mifare Card Dual Frequency WG26 Read/Write RFID Reader Wireless Module 13.56MHz 125KHz for IC/ID/Mifare Card Description: 7941D reader module, integrated high performance card reading radio frequency circuit and antenna; and it also supports ID and IC card, and choose wiegand or UART interface to output data. Small size allows it to be wide... $5.51
$7.35
SKU: 12445
$5.51
$7.35

25

Audio Spectrum 16x3 Red/Green/Blue DIY Kit 1603 Level Indicator Voice Spectrum Lights Audio Spectrum 16x3 Red/Green/Blue DIY Kit 1603 Level Indicator Voice Spectrum Lights Description: An audio indicator that bounces with music. Parameter: Parameter Value Model SL-1603 Operating Voltage DC 5V Opera... $6.39
$7.99
SKU: 12441
$6.39
$7.99

Audio Spectrum 8x8 Red/Green/Blue DIY Kit Level Indicator w/ Acrylic Shell Voice Spectrum Lights Audio Spectrum 8x8 Red/Green/Blue DIY Kit Level Indicator w/ Acrylic Shell Voice Spectrum Lights 1.Description: An audio indicator that bounces with music. 2.Parameter: Parameter Value  Model                  SL-88 ... $8.28
$10.35
SKU: 12438
$8.28
$10.35

Power Polarity Detection Module AC L/N/E Wire Detector 16A Voltage Regulator Power Polarity Detection Module AC L/N/E Wire Detector 16A Voltage Regulator Description: The power detector module can be used to check whether the live line, zero line of the socket are connected according to the request, and it can figure out the safety problems of household socket so as to guarantee your ... $2.22
$2.85
SKU: 12436
$2.22
$2.85

23

LM7660 Negative Voltage Converter Module Positive to Negative Conversion Module 1.5-10V LM7660 Negative Voltage Converter Module Positive to Negative Conversion Module 1.5-10V Description: LM7660 module adopts LM7660 high precision voltage conversion chip, and it can convert 1.5-10V positive voltage into corresponding negative voltage.   Parameter: 1>.Input Voltage: 1.5-10V 2>.Low Operatin... $1.83
$2.35
SKU: 12432
$1.83
$2.35

23

LM2662 Switching Voltage Regulator Positive to Negative Voltage Converter Board Module 1.5-5.5V LM2662 Switching Voltage Regulator Positive to Negative Voltage Converter Board Module 1.5-5.5V Description: LM2662 adopts high precision voltage conversion chip, and it can convert the 1.5V-5.5V positive voltage into corresponding negative voltage.   Parameter: 1>. Input Voltage: 1.5-5.5V 2>. Crystal oscillato... $1.83
$2.35
SKU: 12431
$1.83
$2.35

23

0-5V/0-10V to 0-100% Voltage to PWM Converter Board Duty Cycle Adjustable Conversion Module 0-5V/0-10V to 0-100% Voltage to PWM Converter Board Duty Cycle Adjustable Conversion Module Description: This product can transform 0-5V/0-10V voltage into 0-100% PWM output, and adjusting voltage can change the PWM duty cycle. It can be applied to motor control.   Features: 1>.Adopt MCU embedded technique 2&g... $4.49
$5.75
SKU: 12430
$4.49
$5.75

Frequency Voltage Converter 0-1KHz to 0-10V Digital to Analog Voltage Signal Conversion Module Frequency Voltage Converter 0-1KHz to 0-10V Digital to Analog Voltage Signal Conversion Module Description: LC_F2V is a module which can transform the frequency pulse signal into analog voltage signal. It can transform 0-1KHz frequency signal into 0-10V voltage output. Adjusting frequency can change output voltage, and it can ... $4.49
$5.75
SKU: 12428
$4.49
$5.75

6V Mini Hand Crank Power Mechanical Generator Large Torque dynamotor 6x5cm DIY Parts 6V Mini Hand Crank Power Mechanical Generator Large Torque dynamotor 6x5cm DIY Parts 1.Description: When it rotates fast, it generating voltage can be up to 6V  1>.Use your hands to rotate the handle, it will function as a generator and generate 6V  2>.Connect the motor with battery, then it c... $3.84
$4.99
SKU: 12427
$3.84
$4.99

24

Black Multifunctional PCB Ruler PCB Measuring Tool Angle Measure Meter 20cm 7.8Inch Black Multifunctional PCB Ruler PCB Measuring Tool Angle Measure Meter 20cm 7.8Inch Description: It is the assistant engineer of the electronic engineer.It is use to query component packaging information or measure the length of the object. Front Specification: 1>. Measurement length 20cm 2>. Measuremen... $4.35 SKU: 12423
$4.35

ATGM336H GPS BDS GNSS Dual Mode Positioning Module EEPROM 5V 25mA for Vehicle Location ATGM336H GPS BDS GNSS Dual Mode Positioning Module EEPROM 5V 25mA for Vehicle Location 1.Description: 1>.Excellent positioning and navigation function, and it supports single system positioning of BDS/GPS/GLONASS satellite navigation system, random combination multi-system positioning, QZSS and SBAS system  ... $7.87
$10.49
SKU: 12420
$7.87
$10.49

26

ZVS Induction Heating Driver Board High Voltage Generator Circuit PCB DC 12-30V 30-50KHz ZVS Induction Heating Driver Board High Voltage Generator Circuit PCB DC 12-30V 30-50KHz Description: ZVS driver module adopts flyback circuit, and it can be used for driving FBT flyback transformer. Because it achieves zero voltage switching, it is generally called ZVS. It has high power, emit a little heat and high rel... $7.37
$9.45
SKU: 12419
$7.37
$9.45

LM317 Step-Down Buck Power Supply Module Adjustable Voltage Converter Board 1.25-25V W/ Voltmeter LM317 Step-Down Buck Power Supply Module Adjustable Voltage Converter Board 1.25-25V W/ Voltmeter 1.Parameter: No. Parameter Value 1 Input Voltage DC3-30V/AC2.5-20V 2 Adjustable Output Voltage 1.25-25V ... $6.44
$8.25
SKU: 12418
$6.44
$8.25

23

DC 5V Long Press 5s Auto Power On Module for PC Laptop Phone MCU Timing DC 5V Long Press 5s Auto Power On Module for PC Laptop Phone MCU Timing Parameter: No. Parameter Value 1 Model RD01N 2 Operating Voltage DC 12V 3 Current dy... $3.19
$3.99
SKU: 12417
$3.19
$3.99


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