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Anyone know what boards they are using for their relay controllers?
by ubercow 10y ago
Anyone know what boards they are using for their relay controllers?
- g_hajdukiewicz 10y agoWe designed our own, simple ones having MCP23017 (https://goo.gl/S4i9Gw https://goo.gl/S4i9Gw) as the GPIO expanders and some popular optocouplers to provide proper isolation level. I can't remember which exact part was chosen for the isolator, but this one should work like a charm https://goo.gl/GS6twt https://goo.gl/GS6twt.