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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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