Hey @Snart-Caleb
some of the topics will also help you alot regarding relay expansion and PWM expansion will help you please check, The current loop receiver mentioned by you previously is use to read the signal not control, controlling work will be done by Onion Omega and you have to make the code as per your requirement
R
Posts made by Robson Jhon
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RE: Control Polarity with Omega Onion and 4-20mA Current loop Receiversposted in Omega Talk