Adafruit QT Py ESP32-S2

Name: Adafruit QT Py ESP32-S2
Brand: Adafruit

AdafruitESP32-S2

A small development board featuring an ESP32-S2 chip and a STEMMA QT connector, with 13 GPIO pins, 4 MB flash, and 2 MB PSRAM.

Manufacturer guide / datasheet

Buy · Amazon Buy · DigiKey Buy · Mouser

In stock

Specifications

Operating Voltage: 3.3V to 5V (USB) or 3V to 6V (external battery) via BAT/GND pads with diode protection.
Logic Level: 3.3V
Clock Speed: 240 MHz
Flash: 4 MB
Ram: 2 MB PSRAM
Gpio Count: 13

Pinout

Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.

Pin	Name	Functions	Notes
BAT/GND	BAT/GND	POWER	Battery input pads
GND	GND	GND	Common ground for all power and logic
3.3V	3.3V	POWER	Output from 3.3V regulator, can supply up to 600mA peak
5V	5V	POWER	5V out from USB port, also voltage input with diode protection
SCL1	SCL1	I2C	Second I2C clock pin (STEMMA QT connector)
SDA1	SDA1	I2C	Second I2C data pin (STEMMA QT connector)
SCL	SCL	I2CPWMADC	I2C clock, can do capacitive touch and analog input
SDA	SDA	I2CPWMADC	I2C data, can do capacitive touch and analog input
TX	TX	UARTPWM	UART transmit pin, can do capacitive touch
RX	RX	UARTPWM	UART receive pin, can do capacitive touch
MI	MI	SPI	Microcontroller In / Sensor Out pin (SPI)
MO	MO	SPI	Microcontroller Out / Sensor In pin (SPI)
A0	A0	ADC	12-bit analog input, 8-bit true analog output with pullup
A1	A1	ADC	12-bit analog input, 8-bit true analog output with pullup
A2	A2	ADCPWMI2C	Analog input and capacitive touch
A3	A3	ADCPWMI2C	Analog input and capacitive touch
NEOPIXEL	NEOPIXEL	GPIO	RGB NeoPixel LED, available in CircuitPython as board.NEOPIXEL
NEOPIXEL_POWER	NEOPIXEL_POWER	POWER	NeoPixel power pin, pulled high by default

Interactive pinout

Highlight:

ESP32-S2

Click a pin to copy its name · tap a tag above to spotlight a bus.