itnewsbot, A 3-tool selector box for a JBC soldering station - Soldering is one of those jobs that are conceptually simple enough, but there’s qu... - https://hackaday.com/2024/02/29/a-3-tool-selector-box-for-a-jbc-soldering-station/ #arduinopromini #toolhacks #soldering #uln2003a #relays #jbc