Arduino Nano and water pump (2n2222a switch)
115150
Turning water pump on/off using Arduino Uno R3
43819
Input switch in Ubuntu 19.10
148814
Arduino Negative Voltage Reading with Positive Ground
116678
How to simulate simple on/off, Single-Pole-Single-Throw switch?
122130
Powering an Arduino with a Supercapacitor
127750
Building a voltage transformer circuit for sensing mains voltage
23815
switch between battery and usb power no microcontroller circuit
130375
What is the simplest way to generate PWM without a Microcontroller?
131351
How to convert light activated switch
154105
Relay vs. Transistor?
126772
How do I get the NOT, NAND, NOR and XNOR logic gates to work?
77631
Powering Arduino from a voltage divider
108443
BJT as a switch: what am I doing wrong?
148145
My circuit doesn't respond properly to the duty cycle
108482
Switch power supply/battery
110997
How can I control a servo motor with the PWM output of a microcontroller?
53682
Is it safe to use a voltage divider for Arduino and DC motor controller?