We need PCB Designer for Designing PCB like Sonoff TH16. actually we want to make product like sonoff TH16 with minor modification like:
Addon features like:
1. Add onboard RTC
2. Add RS485 half duplex based on MAX485( Mount 2.5mm jack for connecting Modbus device )
You will get product info on:
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Notes: if you have a readymade product with above functionality than please let us know . it will be helpful for quick product development.