<![CDATA[M5Cardputer & Unit4 Relay]]>

<![CDATA[M5Cardputer & Unit4 Relay]]>Hi i want to drive the Unit4 Relay board, or another relay board, from the Cardputer using Arduino IDE but can't find any example code showing how to do it. Can anyone help please? Thanks Bob

]]>https://community.m5stack.com/topic/7477/m5cardputer-unit4-relayRSS for NodeMon, 18 May 2026 01:16:53 GMTSun, 06 Apr 2025 17:30:35 GMT60<![CDATA[Reply to M5Cardputer & Unit4 Relay on Sun, 06 Apr 2025 18:49:55 GMT]]>Hello @drbob

my example should give you a head start. Please have a look here.

Thanks
Felix

]]>https://community.m5stack.com/post/28818https://community.m5stack.com/post/28818Sun, 06 Apr 2025 18:49:55 GMT