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Board overview
ESP8684-DevKitM-1
Espressif · ESP32-C2
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Simplified technical illustration. Pin data is source-backed; verify against the linked documentation before wiring.
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Mapped source · ESP8684-DevKitM-1 v1.1 User Guide (Espressif)Official- Scoped to hardware revision v1.1.
- GPIO8 and GPIO9 are strapping pins.
- On v1.1 the addressable RGB LED of the previous board was replaced by an RGB LED with discrete inputs, driven by GPIO0 (red), GPIO1 (green), and GPIO8 (blue). The earlier version drove a single addressable LED from GPIO8 alone.
- GPIO4-GPIO7 double as the JTAG pins MTMS/MTDI/MTCK/MTDO.
All 30 pins
| # | Signal | Role | Net | Also / notes |
|---|---|---|---|---|
| 1 | Ground | GND | ||
| 2 | Power | 3V3 | ||
| 3 | Power | 3V3 | ||
| 4 | ADC | ADC1_CH2, FSPIQ | ||
| 5 | ADC | ADC1_CH3 | ||
| 6 | Ground | GND | ||
| 7 | System | High enables the chip, low powers it off. | ||
| 8 | Ground | GND | ||
| 9 | ADC | ADC1_CH0; also drives the red channel of the onboard LED on v1.1. | ||
| 10 | ADC | ADC1_CH1; also drives the green channel of the onboard LED on v1.1. | ||
| 11 | SPI | SPI | FSPICS0 | |
| 12 | Ground | GND | ||
| 13 | Power | 5V | ||
| 14 | Power | 5V | ||
| 15 | Ground | GND | ||
| 1 | Ground | GND | ||
| 2 | UART | UART | U0TXD | |
| 3 | UART | UART | U0RXD | |
| 4 | Ground | GND | ||
| 5 | System | Strapping | ||
| 6 | System | Strapping · Also drives the blue channel of the onboard LED on v1.1. | ||
| 7 | Ground | GND | ||
| 8 | Debug | JTAG | MTDO · FSPID | |
| 9 | Debug | JTAG | MTCK · FSPICLK | |
| 10 | Debug | JTAG | MTDI · ADC2_CH0, FSPIWP | |
| 11 | Debug | JTAG | MTMS · ADC1_CH4, FSPIHD | |
| 12 | Ground | GND | ||
| 13 | GPIO | |||
| 14 | Ground | GND | ||
| 15 | Ground | GND |