ESP32-C6 Sparrow Board

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.

Pinout

Components

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: BME688 - Temperature, humidity, pressure, and air quality sensor (I2C)
• Sensor: LSM6DSL - 3-axis accelerometer and gyroscope (I2C)
• Sensor: LTR303 - 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
• Battery Lveel: MAX17048 - Measures battery voltage (I2C)
• USB C: USB4110-GF-A - USB C connector for programming/charging
• Power: 18650 Battery - Holder on the back

Pins for each component

1. MicroSD Card Holder (SPI)

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
LSM6DSL	0x6A
BME680	0x76
LTR303	0x29

5. Neopixel RGB LED

PIN NAME	GPIO Pin
NEOPIXEL	GPIO3

6. Microphone ICS-43434 (I2S)

PIN NAME	GPIO Pin
MIC_WS	GPIO20
MIC_SCK	GPIO18
MIC_SD	GPIO19

7. Battery Charge Level MAX17048

PIN NAME	GPIO Pin
INT_VLT	GPIO4

8. Other pins

PIN NAME	GPIO Pin
IO / BOOT Button	GPIO9
UART_TX	GPIO16
UART_RX	GPIO17
Accelerometer Interrupt	GPIO11
LTR303 Interrupt	GPIO15