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ESP32-C3-WROOM-02U
802.11 b/g/n WiFi and Bluetooth 5 module, ESP32C3 SoC, RISCV microprocessor, On-board antenna
Schematic Symbol
Pin Configuration (19 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | 3V3 | power_in |
| 2 | EN | input |
| 3 | IO4 | bidirectional |
| 4 | IO5 | bidirectional |
| 5 | IO6 | bidirectional |
| 6 | IO7 | bidirectional |
| 7 | IO8 | bidirectional |
| 8 | IO9 | bidirectional |
| 9 | GND | power_in |
| 10 | IO10 | bidirectional |
| 11 | IO20/RXD | bidirectional |
| 12 | IO21/TXD | bidirectional |
| 13 | IO18 | bidirectional |
| 14 | IO19 | bidirectional |
| 15 | IO3 | bidirectional |
| 16 | IO2 | bidirectional |
| 17 | IO1 | bidirectional |
| 18 | IO0 | bidirectional |
| 19 | GND | passive |
Footprint
ConfirmedRF_Module/ESP32-C3-WROOM-02U
Pad Layout
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Pads (40)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | thru hole |
| 19 | thru hole |
| 19 | thru hole |
| 19 | thru hole |
| 19 | thru hole |
| 19 | thru hole |
| 19 | smd |
| 19 | thru hole |
| 19 | thru hole |
| 19 | thru hole |
| 19 | thru hole |
| 19 | thru hole |
| 19 | thru hole |