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DIY Clap On Off Switch Kit Electronics Soldering Practice Set Clap Switch DIY Kits DIY Clap On Off Switch Kit Electronics Soldering Practice Set Clap Switch DIY Kits Description: Package name: clap switch kit Kit Model: PSK-1 Operating voltage: 5V PCB size: 28 * 49mm   Principle of Circuits ▲The circuit is maily composed by audio frequency and bistable tigger circ... $1.94
$2.99
SKU: 1755
$1.94
$2.99

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5pcs 5V 1A Mini USB 18650 Lithium Battery Charging Board Charger Protection 5pcs 5V 1A Mini USB 18650 Lithium Battery Charging Board Charger Protection 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... $2.33
$3.59
SKU: 12735
$2.33
$3.59

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DIY Kits SMT Full SMD Multi-Channel Waveform Generator for Soldering Testing Electronic Training DIY Kits SMT Full SMD Multi-Channel Waveform Generator for Soldering Testing Electronic Training Packing List: NO. Name Silk Screen Parameter Quantity 1 0805 Resistor R1,R2 1M ohm 2 2 0805 ... $2.85
$4.39
SKU: 11003
$2.85
$4.39

(1 Feedback) 35

TDA7297 15W+15W Dual Channel Audio Amplifier Board DIY Kit TDA7297 15W+15W Dual Channel Audio Amplifier Board DIY Kit Description: PCB Size: 4.8cmx4.8cm; Voltage: DC 9-15V, AC 9-12V, recommended DC voltage 12V, current 2A above; Power: 15W +15 W; Output Impedance: 4-8 ohm   Please noted: This is the DIY Kit. You need to asse... $3.24
$4.99
SKU: 3010
$3.24
$4.99

(1 Feedback) 35

DC 5V 1A Wireless Power Supply, 5W Wireless Charger, Universal Mobile Phone Charging Module DC 5V 1A Wireless Power Supply, 5W Wireless Charger, Universal Mobile Phone Charging Module 1.Description:  It is a 5W wireless charger. Place the mobile phone with wireless charging function on the coil where the center of the back corresponds to the coil center of the HW-225 module, and the mobile phone can be charged. ... $3.63
$5.59
SKU: GY19636
$3.63
$5.59

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DIY Kit MQ-3 Sensor Alcohol Detector Tester Alarm System Electronic Teaching Welding Tranining Kits DC5-7.5V DIY Kit MQ-3 Sensor Alcohol Detector Tester Alarm System Electronic Teaching Welding Tranining Kits DC5-7.5V MQ-3 Alcohol Detector Alarm Sensor DIY Kit Working voltage: 5-7.5V DC   Description:  Alcohol concentration alarm circuit This circuit is mainly an alarm control circuit formed by the gas sensor group MQ-3. ... $3.89
$5.99
SKU: 13602
$3.89
$5.99

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White 0.91" OLED Display Module 0.91 inch I2C IIC Interface 3.3-5V 128x32 OLED LCD LED Screen Module SSD1306 for Arduino White 0.91" OLED Display Module 0.91 inch I2C IIC Interface 3.3-5V 128x32 OLED LCD LED Screen Module SSD1306 for Arduino Product Introduction:   1.Resolution Ratio:128*32 2.Color: White  3.Driving IC:SSD1306 4.IIC Interface Definition:GND,VCC,SCL,SDA  5.Voltage:3.3-5V   Tested by ICStation's O... $3.89
$5.99
SKU: 9933
$3.89
$5.99

(1 Feedback) 35

TAI-01 5V Infrared Audio Transceiver DIY Kit IR Sound Voice Transmitter Receiver Infrared Transmission Module TAI-01 5V Infrared Audio Transceiver DIY Kit IR Sound Voice Transmitter Receiver Infrared Transmission Module Description: This is a DIY Infrared Reversing Indicator kit parts. You should solder it by yourself.Transmitting audio signals through infrared signals. Features: 1>.High sensitivity; 2>.Low power; 3>.Wide operating... $4.13
$6.35
SKU: 13281
$4.13
$6.35

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DC-DC Step-Down Power Supply Module 5V USB Charging Board DC-DC Step-Down Power Supply Module 5V USB Charging Board 1.Description:  It is a DC-DC step-down power supply module.It has an ultra-wide input voltage and can be used for automobiles/battery cars/motorcycles. It is used to monitor the battery voltage and grasp the battery status in time... $4.28
$6.59
SKU: GY19638
$4.28
$6.59

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4Bit Optocoupler Isolator 5V to 24V Level Voltage Converter Board PLC Signal 4Bit Optocoupler Isolator 5V to 24V Level Voltage Converter Board PLC Signal Features: 1. Conversion frequency:20KHZ. 2. Size:72*55*18mm 3. Mounting Hole Size: 64*47mm, diameter 3mm.   Application: 1. It can be used for signal isolation 2. PLC signal level converting 3. PNP/NP... $4.35
$6.69
SKU: 8034
$4.35
$6.69

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25W Silicone Rubber Panel Heating Constant Temperature Panel Plate 12V 80x100mm 25W Silicone Rubber Panel Heating Constant Temperature Panel Plate 12V 80x100mm Product Introduction: 1.Size:80*100mm 2.Voltage:12V 3.Power:25W $4.54
$6.99
SKU: 11014
$4.54
$6.99

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433MHz 4 Channel Wireless Receiver Board Module Inching Interlock Self Locking Modes 4.5-5.5V 433MHz 4 Channel Wireless Receiver Board Module Inching Interlock Self Locking Modes 4.5-5.5V Product Introduction: 1.Operating Voltage:4.5-5.5V (input port) VCC:connects with power positive;GND:connects with  power negative. 2.Output Way:the module power on defaults output low level;after pressing the remote control, ... $4.54
$6.99
SKU: 11967
$4.54
$6.99

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Circuit Learning Kits, Physics Science Entry Experiment DIY Project, Parallel Series Circuit Building, STEM Electric Education for Beginner Junior Senior Students Circuit Learning Kits, Physics Science Entry Experiment DIY Project, Parallel Series Circuit Building, STEM Electric Education for Beginner Junior Senior Students Circuit Learners Entry Kit Included: 5 x Mini Light bulbs 2 x Light bulb Holders 2 x Battery Holders 1 x Switch 1 x Plastic Storage Box 6 x Wires Note: Batteries are not included. You need to prepare 2 AA batteries in advan... $4.54
$6.99
SKU: GY18063
$4.54
$6.99

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DC 12V Temperature Controller -20-100C NTC Sensor 10A Programmable 1 Meters NTC 10K Temperature Sensor Module DC 12V Temperature Controller -20-100C NTC Sensor 10A Programmable 1 Meters NTC 10K Temperature Sensor Module 1.Description:     It is a temperature controller that automatically selects the heating and cooling modes to ensure temperature stability based on the set temperature and actual temperature.   2.Features:... $4.54
$6.99
SKU: 14285
$4.54
$6.99

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Dual USB Output Step-Down Module, 5V 6A Voltage Regulator Module, Dual 5V 3A Rechargeable Micro Charging Board Dual USB Output Step-Down Module, 5V 6A Voltage Regulator Module, Dual 5V 3A Rechargeable Micro Charging Board 1.Description:  Dual USB output step-down module.  It has two power input methods, 5.08 terminal and USB interface, which has a wider range of applications, but note that the two inputs cannot be used at the same time. ... $4.54
$6.99
SKU: GY19640
$4.54
$6.99

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Dual USB Port Charging Module, QC Mobile Power Boost Module, 5V 2.4A Charger Circuit Board with LCD Display Dual USB Port Charging Module, QC Mobile Power Boost Module, 5V 2.4A Charger Circuit Board with LCD Display Parameter:   1>.Input charging voltage: DC 5V 1A   2>.Input battery voltage:DC 3.7V-4.2V Polymer Rechargeable Lithium Battery   3>.Input type:Type-C/MicroUSB/Lighting   4>.Output channel:2 Channel ... $4.54
$6.99
SKU: 14048
$4.54
$6.99

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0.1-2000MHz RF Wideband Amplifier 30dB low-noise LNA Broadband Module 0.1-2000MHz RF Wideband Amplifier 30dB low-noise LNA Broadband Module Parameter: 1.Work Voltage:DC 6V-12V 2.Operating frequency: 0.1-2000MHz 3.Maximum power output: +10dBm(10mW) 4.Work Temperature:-40℃~85℃ 5.Work Humidity:0%~95%RH 6. System impedance 50Ω 7.Size:52*25*6.5mm... $4.93
$7.59
SKU: 13508
$4.93
$7.59

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ICStation Heartbeat Sensor Pulse Sensor Heart Rate Sensor Module for Arduino ICStation Heartbeat Sensor Pulse Sensor Heart Rate Sensor Module for Arduino Description: Pulse Sensor is designed to view the heartbeat waveform and check your heart rate. And the sensor can be used by students, artists, athletes, makers, and game & mobile developers who want to easily incorporate liv... $5.06
$7.79
SKU: 3554
$5.06
$7.79

(2 Feedback) 35

LM393 DC 12V 2Bit Voltage Comparator Relay Control Circuit Module LM393 DC 12V 2Bit Voltage Comparator Relay Control Circuit Module 1.Description:   It is a DC 12V 2Bit Voltage Comparator Module. It controls the output state of the relay by comparing the two voltages.   2.Features:   1>.Settable reference voltage   2>.Inp... $5.06
$7.79
SKU: 14754
$5.06
$7.79

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250W High Power Step Up Constant Current Constant Voltage Power Supply Module Boost Converter Module DC 8.5V-48V to 10-50V 250W High Power Step Up Constant Current Constant Voltage Power Supply Module Boost Converter Module DC 8.5V-48V to 10-50V Product Introduction: 1.Name:250W step-up constant current module 2.Character:non-isolated boost module 3.Input Voltage:DC 8.5-48V 4.Input Current:10A (max);if over 8A,please enhance heat dissipation 5.Quiescent Operating Curre... $5.19
$7.99
SKU: 11107
$5.19
$7.99

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