Connecting an always on LED to a raspberry pi
1069
Correct formula for LED current-limiting resistor?
136371
Mains doorbell to Arduino
108088
Arduino Boost Converter. Connecting load makes converter non functional
5863
Control LED using usb to parallel converter
114010
How can I schedule timer to power on and off device?
117201
How can I convert a PNP to NPN transistor?
139406
Socket Tester all indicators light up
157849
Can I control voltage of USB data pins?
42628
Automatically power on Android when the charger is connected
79884
How do I connect power to a light bulb?
116271
Can't trigger 5V,10A relay using the output from a ESP8266 node MCU?
129278
simple, energy efficient circuit to make single IR LED blink
125392
Is LED properly implemented in the constant current circuit?
23382
Need single-shot 1 minute delay-off LED circuit
143835
Only charge capacitor when button pushed then turn on LED momentarily with capacitor when button released
118920
A switch that is only ON if the reference voltage is matched -+ 0.1 volts
128497
Implement MicroController Power Switch and re-use the button for other features