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STC89C52 Development Board C51 Learning Experiment Board USB Programmable 8051 MCU Controller System Board 1.Description: It is a 51 microcontroller development board.It can realize the control of the development board on the computer side,which is interesting and fun.Connect the USB cable to the computer,you can use the smart host... $31.19
~~$47.99~~ SKU: GY20522
$31.19
~~$47.99~~
35

DIY AM FM Radio Kit, Am-FM 210SP Radio DIY Soldering Assembly Kits Description: The CF210SP radio kit includes the circuit board, electronic parts, enclosure, speaker and antenna. Building it requires basic soldering experience and about 1-2 hours of your time. This little radio is good for list... $6.49
~~$9.99~~ SKU: GY20514
$6.49
~~$9.99~~
35

USB to TTL Serial Board Support 5V/3.3V/1.8V Level Conversion Board FT232RL Serial Port Module 1.Description: It is a USB to TTL serial port.It supports 5V/3.3V/1.8V three level switching,VCC/TX/RX/RTS/CTS/DTR/DCD/RI/ can be switched.It is input via USB and output via TTL interface. 2.Feature: ... $9.74
~~$14.99~~ SKU: GY20086
$9.74
~~$14.99~~
36

DC 4.5V-6V 0.2s-300minutes Delay Relay Module Power-off Delay Disconnect Switch 1.Description: It is a power-off delay relay module.When the module senses the signal voltage input,the relay turns on;when the signal voltage stops input,the relay turns off after a period of delay.It can be used for signal m... $10.13
~~$15.59~~ SKU: GY20036
$10.13
~~$15.59~~
35

10PCS USB Power Wire 100cm 5V USB Cable 1.Description: It is a 100cm USB power wire with built-in two wires and specially provide extended output for USB power supply. The wire at the other end is directly soldered to the PCB or spliced with other wires. &... $6.49
~~$9.99~~ SKU: GY20300
$6.49
~~$9.99~~
35

DC-DC Automatic Buck-Boost Power Module 50W Voltage Converter XL6009 4.5-30V to 0.5-30V Power Module 1.Description: It is a buck-boost power module.It can both step-up and step-down,and can also be used as a constant voltage output module. 2.Feature: 1).It has output short-circuit protection,input under-volta... $5.84
~~$8.99~~ SKU: GY20005
$5.84
~~$8.99~~
35

Infrared Human Body Sensor, LED Light Sensor Switch, DC 5V-24V Motion Detector Sensing Distance 1-3 Meters 1.Description: It is a infrared human body sensor.It has a built-in photosensitive chip,and the sensing function will be turned off when the external environment is bright.Therefore,the sensor will not trigger the sensing functio... $4.54
~~$6.99~~ SKU: GY19892
$4.54
~~$6.99~~
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DC 5V-24V PIR Motion Sensor Switch 1.Description: It is a PIR motion sensor switch. It can sense the movement of the human body and respond accordingly to make the connected load work. 2.Feature: 1).It uses flame-retardant materials,and excelle... $5.69
~~$8.75~~ SKU: GY19883
$5.69
~~$8.75~~
35

Hand Sweep Switch Controller DC 12V-24V Infrared Sensor Switch Sensor Cabinet Light Smart Switch 1.Description: It is a hand sweep switch controller.The sensor responds by sensing the hand sweep and can be connected to the cabinet light for use. 2.Feature: 1).It is infrared reflection sensor with h... $5.06
~~$7.79~~ SKU: GY19836
$5.06
~~$7.79~~
35

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~~
35

24 Values Electrolytic Capacitor 0.1uF-1000uF 500 Pieces Combination Electronic Components Kit 1.Description: It is a electrolytic capacitor. The metal foil of the electrolytic capacitor is the positive electrode, and the oxide film of the metal close to the positive electrode is the dielectric. The cathode... $11.69
~~$17.99~~ SKU: GY19312
$11.69
~~$17.99~~
35

1660 Hole Breadboard, 0.8mm Wire Solderless Breadboard, Solder-Free Circuit Board for Experimental Test 1.Description: It is a 1660 Hole Breadboard. There are many small jacks on the breadboard,which are specially designed and manufactured for the solderless test of electronic circuits. Various electronic components... $9.09
~~$13.99~~ SKU: GY19402
$9.09
~~$13.99~~
35

Buck Power Supply Module DC-DC 4V-38V to 1.25V-36V Step Down Voltage Converter 250W 8A LED Display Stabilizer Description: It is a DC-DC step-down module.It can convert DC 4V-38V to DC 1.25V-36V. The input and output voltage difference is above 2V. Feature: 1.It has a 0.36 inch digital display. 2.It has a voltage ... $4.35
~~$6.69~~ SKU: GY19245
$4.35
~~$6.69~~
36

PAM8620 Power Amplifier Module 15Wx2 Dual-channel Stereo DC 8V-26V Class D Digital Power Amplifier Board Description: It is a PAM8620 Class-D digital power amplifier board.It uses red audio capacitors,large-capacity filter capacitors per channel,gold-plated audio input terminals,and volume potentiometers. Feature: 1.I... $10.39
~~$15.99~~ SKU: GY19183
$10.39
~~$15.99~~
35

310pcs 9 Values XH2.54 Connector Case + Female Pin + Male Pin Kits TO-92 1Pin-8Pin Component Kit 1.Description: It is a 310pcs XH2.54 Connector Kits.They are the basic common electronic components that can meet the basic circuit requirements and play a very important role in circuit design and experiment.It contain... $3.89
~~$5.99~~ SKU: GY18616
$3.89
~~$5.99~~
35

500pcs 3mm White Green Blue Red Yellow LED Kits Light Emitting Diode 1.Description: It is a 500pcs 3mm White Green Blue Red Yellow LED Kits. They are the basic common electronic components that can meet the basic circuit requirements and play a very important role in circuit design and e... $4.54
~~$6.99~~ SKU: GY18603
$4.54
~~$6.99~~
35

DC 5V 8-Channel Infrared Receiver Module 9-Key Remote Control Self-Lock Control Switch Module 1.Description: It is a 8bit infrared receiver module.This connection is a self-locking receiver and remote control kit.When the equipped 9-key remote control presses CH1,the relay CH1 of the receiving board pulls in LED D1,and... $18.84
~~$28.99~~ SKU: GY18360
$18.84
~~$28.99~~
35

3M 8210CN N95 Face Mask Anti Flu Virus Dust PM2.5 Protective Mask Head-Mounted Description: 3M Particulate Respirator 8210CN, is a disposable particulate respirator that is designed to help provide reliable respiratory protection of at least 95 percent filtration efficiency against certain non-oil based p... $6.49
~~$9.99~~ SKU: GY17945
$6.49
~~$9.99~~
35

Battery Capacity Tester Ah for 18650 Lithium Battery Lead-acid Battery Voltage Current Indicator Display Module 1.Description: It is a battery capacity tester. It can test the battery capacity,voltage,and current of 18650 lithium battery lead acid. 2.Feature: 1>.Digital display 2>.High precision ... $5.84
~~$8.99~~ SKU: GY17489
$5.84
~~$8.99~~
35

ESP32-CAM ESP32 5V WIFI Bluetooth-compatible Development Board with OV2640 Camera Module 1.Description: The ESP32-CAM has a very competitive small-size camera module that can operate independently as a minimum system, measuring only 27*40.5*4.5mm, with deep sleep current and a minimum of 6mA. ... $7.66
~~$11.79~~ SKU: GY16338
$7.66
~~$11.79~~
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