Topic

external power

2 videos. Ranked by independent recommendations, not by views.

1. 

   1 Raspberry Pi: 8 Channel Relay + External Power Supply Tutorial and Example

   Techplant 3 people · 3 months · since Jan 2018

   Used by newcomers as a guide to wiring a relay board to a Raspberry Pi with its own separate 5 V supply, such as a recycled phone charger.

2. 

   2 Arduino as ISP

   Notes and Volts 3 people · 3 months · since Sept 2013

   A tutorial cited around running a second Atmel chip with Arduino, and it left some viewers with questions about pins and shared grounds.