What are some simple ways to reduce Arduino power usage?
113559
How can I get my atmega328 to run for a year on batteries?
120047
Distance between 2 arduino's using rf links
7621
Reducing voltage with resistors
102460
Raspberry Pi + IRFZ44N to control a 5050 RGB LED strip: current seems to be limited
80778
How much power can be drawn from the lightning connector by a external device?
54572
555 timer in astable mode: How can I achieve longer low output than high?
152842
How can I charge my iPhone without waking up my MacBook Pro?
92255
How can I use a 12 V input on a digital Arduino pin?
44127
What are the ways to make a dual power supply from a single voltage source?
27191
Arduino-controlled slot cars - alternative to MOSFETs for speed control?
82952
How do I treat this "lamp" to find power dissipated?
123692
How to increase battery life on Ubuntu 20.04 and what power saving software should I install, if any?
24335
How can I efficiently drive an LED?
121007
Getting a large number of (~100) digital output signals from Arduino
100783
How to limit current of an AC signal
140532
LED as power generator
127448
How to power down the computer from a freestanding environment?