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n-serrette / esphome_rika_gsm

emulating rika gsm modem with esphome
MIT License
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Wiring Diagram from ESP to Rika Stove #1

Open MAEThomas opened 5 months ago

MAEThomas commented 5 months ago

Is it possible to post a wiring diagram, do I need a galvanic isolation or level Shifter between ESP and Rika Stove ? Thank you for that

n-serrette commented 5 months ago

Thank for your interest in this project. Currently i haven't done any test with the stove, so for now i would not recommend that you use it. I will add a schema once I have tested and confirmed it's working. As far as I know no galvanic isolation is not need, but some level shifter may be required as the original GSM module (similar to a TC35i) use a RS-232 interface. I have seen both a direct connection and with a RS-232 to TTL adapter.

Here are some resources on which I have based my work ruben-janssens/Rika-stove-GSM-modem-emulator in french forum post