How much current will I get from the 5V rail of a Teensy 3.2 powered over USB?
10700
How to get more than 100mA from a USB port
125118
230V AC to 5V DC converter, lossless
75709
What is the usage of the negative voltages on a PC motherboard?
77276
What would happen if I choose a connector with current rating smaller than the actual current?
137995
Powering a circuit from either USB or LIPO
423
Choosing power supply, how to get the voltage and current ratings?
80449
DIY 24v to 5v usb phone charger
108482
Switch power supply/battery
99851
Can I estimate remaining battery life by measuring its voltage with the same MCU that it powers?
14740
How to Measure Power Consumption on Extremely Low Power Devices?
14016
Least expensive way to boost DC voltage
74913
What's up with the operating voltages 5 V, 3.3 V, 2.5 V, 1.8 V, etc.?
32827
How to monitor USB power consumption?
7084
ADC for measuring 0-5V but connected to 3.3V device
132872
How to retrieve current wattage info on OS X?
134229
Powering a WS2812B strip
18771
Switch between 5V power supplies?