The ESP32 Sparrow board is an IoT device designed for projects that require low battery consumption. It is built around the ESP32-C6 module, which features Zigbee and Thread compatibility.
Its other features include:
- Display: DFR0647 - Data display (I2C)
- Memory: W25Q512JVEIQ - 64 MB Flash memory (SPI)
- Memory: 112A-TAAR-R03 - SD card slot for external storage (SPI)
- Sensor: BME680 - Temperature, humidity, pressure, and air quality sensor (I2C)
- Sensor: BMI085 - 3-axis accelerometer and gyroscope (I2C)
- Sensor: LTR308 - Ambient light sensor (I2C)
- Microphone: ICS-43434 - High-quality digital microphone (I2S)
- LED: WS2812B2020 - Neopixel RGB LED (GPIO)
- Communication: PRT-14417 - Qwiic/Stemma QT connector (I2C)
- Voltage Supervisor: BD5229G-TR - Shuts down microcontroller below 2.9V
- USB C: USB4110-GF-A - USB C connector for programming/charging
- Power: 18650 Battery - Holder on the back
1. MicroSD Card Holder
| PIN NAME | GPIO Pin |
|---|---|
| SD_CS | GPIO10 |
| MOSI | GPIO7 |
| MISO | GPIO2 |
| SCK | GPIO6 |
2. NOR Flash SPI
| PIN NAME | GPIO Pin |
|---|---|
| FLASH_CS | GPIO23 |
| MOSI | GPIO7 |
| MISO | GPIO2 |
| SCK | GPIO6 |
3. I2C Sensors
| PIN NAME | GPIO Pin |
|---|---|
| SCL | GPIO22 |
| SDA | GPIO21 |
4. I2C Bus Addresses
| CHIP | Address |
|---|---|
| BMI085 Accelerometer | 0x18 |
| BMI085 Gyroscope | 0x68 |
| BME680 | 0x76 |
5. Neopixel RGB LED
| PIN NAME | GPIO Pin |
|---|---|
| NEOPIXEL | GPIO3 |
6. Microphone ICS-43434
| PIN NAME | GPIO Pin |
|---|---|
| MIC_WS | GPIO20 |
| MIC_SCK | GPIO18 |
| MIC_SD | GPIO19 |
7. Other pins
| PIN NAME | GPIO Pin |
|---|---|
| IO / BOOT Button | GPIO9 |
| UART_TX | GPIO16 |
| UART_RX | GPIO17 |
| Battery Level | GPIO4 |
| Accelerometer Interrupt | GPIO11 |
| LTR308 Interrupt | GPIO15 |