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Board overview
Particle Boron
Particle · Boron
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Showing 27 of 27 pins
Simplified diagram, grouped by function — not to physical scale. Pin data is source-backed; verify against the linked documentation.
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Mapped source · Particle Boron datasheetOfficial- All GPIO is limited to 3.3 V.
- MODE and RESET are active-low control signals; avoid loading them during startup.
- Particle Device OS may reserve or reconfigure pins for cellular, Wi-Fi, SPI, and system functions.
All 27 pins
| # | Signal | Role | Net | Also / notes |
|---|---|---|---|---|
| Analog | ||||
| 1 | ADC | |||
| 2 | ADC | |||
| 3 | ADC | |||
| 4 | ADC | |||
| 5 | ADC | |||
| 6 | ADC | |||
| Digital GPIO | ||||
| 2 | PWM | |||
| 3 | PWM | |||
| 4 | PWM | |||
| 5 | PWM | |||
| 6 | PWM | |||
| 7 | PWM | |||
| 8 | PWM | |||
| Buses | ||||
| 1 | I2C | I2C | ||
| 2 | I2C | I2C | ||
| 3 | SPI | SPI | ||
| 4 | SPI | SPI | ||
| 5 | SPI | SPI | ||
| 6 | UART | UART | ||
| 7 | UART | UART | ||
| Power and control | ||||
| 1 | Power | LI+ | ||
| 2 | Power | VUSB | ||
| 3 | Power | 3V3 | ||
| 4 | Ground | GND | ||
| 5 | System | |||
| 6 | System | |||
| 7 | System | |||