esp32-to-433mhz
mithro
ESP32-C3 SuperMini form-factor KiCad board with castellated headers
Components (8)
| Reference | Value | Description |
|---|---|---|
| H1-H4 | MountingHole | M2 mounting hole |
| J1,J2 | Conn_01x08 | ESP32-C3 SuperMini GPIO row (left column),ESP32-C3 SuperMini power row (right column) |
| J3 | E07-M1101D_or_Ra-02 | Radio board socket (CC1101 E07-M1101D or SX1278 Ra-02 breakout) |
| J4 | Expansion | 3V3 and the unused GPIOs |
| J5 | DIO2/DATA | Fly-wire header beside the socket: pin 2 (GPIO20) is the SX1278's DIO2/DATA raw-bitstream pin, pin 1 (GPIO21) a spare |
| JP1 | RA-02 | Radio-type strap: fit a jumper for the Ra-02 breakout, leave open for the CC1101 |
| R1 | 0R | Radio-type strap, alternative to JP1: fit 0R for the Ra-02 breakout |
| R2-R4 | 4k7 | Optional pull-up: GPIO2 boot strap to 3V3 (DNP unless needed),Optional pull-up: GPIO8 boot strap to 3V3 (DNP unless needed),Optional pull-up: GPIO9 boot strap to 3V3 (DNP unless needed) |