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ESP32-C3 RS485 Gateway with ext Antenna
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slim RS485 gateway using esp32-c3 supermini with external antenna
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial
Designed to hold an esp32 C3 from DIYMALL brand (see below) with external antenna, and a rs485 ttl board. Power is supplied via usbc.
I used the design to build multiple rs485 gateways with esphome, to replace PUSR USR-DR164 devices.