M5Stack Dial - ESP32-S3 Smart Rotary Knob with 1.28" Touchscreen

Add a cool touch-screen rotary dial to your next build with the M5Stack M5Dial. The M5Dial integrates the necessary features and sensors for various smart home control applications as a versatile embedded development board.

USB Type-C
USB Type-C power/data connector. M5Stack documents USB Type-C as a 5 V DC power input for M5Dial.
Type · powerVoltage · 5V DC input
Rear power terminal +
Rear power terminal positive input for external DC supply. M5Stack documents rear power terminal input as DC 6 to 36 V.
Type · powerVoltage · 6-36V DC input
Rear power terminal -
Rear power terminal negative/return for the external DC supply.
Type · groundVoltage · 0V return for 6-36V DC input
Battery connector
Lithium battery expansion interface. M5Stack specifications list battery supply as DC 3.7 V.
Type · powerVoltage · 3.7V battery
PORT.A GND1
PORT.A HY2.0-4P Grove-style connector ground. PinMap lists PORT.A cable order as black GND, red 5V, yellow G13, white G15.

Start wiring

SPI · 5V DC input · 6-36V DC input

Confirm the data interface matches your host board.

Module pins: USB Type-C, Rear power terminal +, Battery connector, PORT.A 5V, PORT.B 5V, Rear power terminal -, PORT.A GND, PORT.B GND. Schematik maps them to your board in the app.

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Displays

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MCUs and boards

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Boards · Microcontroller boards · 27 parts

Pin	Position	Type	Function	Voltage
USB Type-C		power	USB Type-C power/data connector. M5Stack documents USB Type-C as a 5 V DC power input for M5Dial.	5V DC input
Rear power terminal +		power	Rear power terminal positive input for external DC supply. M5Stack documents rear power terminal input as DC 6 to 36 V.	6-36V DC input
Rear power terminal -		ground	Rear power terminal negative/return for the external DC supply.	0V return for 6-36V DC input
Battery connector		power	Lithium battery expansion interface. M5Stack specifications list battery supply as DC 3.7 V.	3.7V battery
PORT.A GND	1	ground	PORT.A HY2.0-4P Grove-style connector ground. PinMap lists PORT.A cable order as black GND, red 5V, yellow G13, white G15.	0V
PORT.A 5V	2	power	PORT.A HY2.0-4P Grove-style connector 5 V supply. PinMap lists PORT.A cable order as black GND, red 5V, yellow G13, white G15.	5V
PORT.A G13	3	signal	PORT.A signal on ESP32-S3 GPIO13. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.A G15	4	signal	PORT.A signal on ESP32-S3 GPIO15. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.B GND	1	ground	PORT.B HY2.0-4P Grove-style connector ground. PinMap lists PORT.B as GND, 5V, G2, G1.	0V
PORT.B 5V	2	power	PORT.B HY2.0-4P Grove-style connector 5 V supply. PinMap lists PORT.B as GND, 5V, G2, G1.	5V
PORT.B G2	3	signal	PORT.B signal on ESP32-S3 GPIO2. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.B G1	4	signal	PORT.B signal on ESP32-S3 GPIO1. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
G0		control	Download-mode button input. M5Stack says to hold the G0 button on the StampS3 before powering on to enter download mode.
RST		control	Reset/power control button. M5Stack documents pressing RST when no external USB supply is present as a power-off path.

Pinout

Start wiring

Connectors

Displays

Air quality

MCUs and boards