Arduino relay board : beginner friendly kit build
This kit is a beginner friendly soldering project that can expand the capabilities of an Arduino Uno or Mega board to allow for controlling higher current (or voltage) loads.
CANADUINO 8-Channel Stackable I2C Relay Shield for Arduino – DIY Kit
https://universal-solder.ca/product/8...
circuit board holder
https://pileofstuff.ca/r/uy9gj (Ebay)
https://pileofstuff.ca/r/nld1s (Aliexpress)
https://pileofstuff.ca/r/ny1lv (Banggood)
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This isn't the only way to do it.
It's probably not the best way to do it.
But it's how I did it.