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ULN2803A (DIP18 8-channels Darlington Transistors Array with Diodes)Texas Instruments
Easy to use Darlington Transistor Array for all your projects with diode protection and 8 channels.
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Mainly used in Air Conditioner Louver , Small Cooling/Heating Fan etc., Stable and all technic parameters are qualified for national electronic standard of SJ/T10689-95
Potentiometer is one of the most useful basic components. This is a 10k dial type potentiometer with knob. It’s space-saving and user-friendly. You can read the actual resistance value via the straightforward knob without auxiliary instrument like multimeter. Each has been pre-calibrated. You can implement it into your circuit right out of the box. A tiny...
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ESP-WROOM-32, ESP32 WIFI+BT+BLE Module
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High power mosfet to switch all your devices/leds/motors easily. This is the N-type, meaning you have to put it between the load and the ground.