M5Stack Dial - ESP32-S3 Smart Rotary Knob with 1.28" Touchscreen
ESP32-S3 embedded board in a rotary-knob form factor with a 1.28-inch round TFT touchscreen, rotary encoder, RFID reader, RTC, buzzer, and a capacitive under-screen button.
ESP32-S3 embedded board in a rotary-knob form factor with a 1.28-inch round TFT touchscreen, rotary encoder, RFID reader, RTC, buzzer, and a capacitive under-screen button.
USB Type-C power/data connector. M5Stack documents USB Type-C as a 5 V DC power input for M5Dial.
Rear power terminal positive input for external DC supply. M5Stack documents rear power terminal input as DC 6 to 36 V.
Rear power terminal negative/return for the external DC supply.
Lithium battery expansion interface. M5Stack specifications list battery supply as DC 3.7 V.
PORT.A HY2.0-4P Grove-style connector ground. PinMap lists PORT.A cable order as black GND, red 5V, yellow G13, white G15.
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.
PORT.A signal on ESP32-S3 GPIO13. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.A signal on ESP32-S3 GPIO15. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.B HY2.0-4P Grove-style connector ground. PinMap lists PORT.B as GND, 5V, G2, G1.
PORT.B HY2.0-4P Grove-style connector 5 V supply. PinMap lists PORT.B as GND, 5V, G2, G1.
PORT.B signal on ESP32-S3 GPIO2. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.B signal on ESP32-S3 GPIO1. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
Download-mode button input. M5Stack says to hold the G0 button on the StampS3 before powering on to enter download mode.
Reset/power control button. M5Stack documents pressing RST when no external USB supply is present as a power-off path.
| 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. |
USB Type-C power/data connector. M5Stack documents USB Type-C as a 5 V DC power input for M5Dial.
Rear power terminal positive input for external DC supply. M5Stack documents rear power terminal input as DC 6 to 36 V.
Rear power terminal negative/return for the external DC supply.
Lithium battery expansion interface. M5Stack specifications list battery supply as DC 3.7 V.
PORT.A HY2.0-4P Grove-style connector ground. PinMap lists PORT.A cable order as black GND, red 5V, yellow G13, white G15.
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.
PORT.A signal on ESP32-S3 GPIO13. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.A signal on ESP32-S3 GPIO15. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.B HY2.0-4P Grove-style connector ground. PinMap lists PORT.B as GND, 5V, G2, G1.
PORT.B HY2.0-4P Grove-style connector 5 V supply. PinMap lists PORT.B as GND, 5V, G2, G1.
PORT.B signal on ESP32-S3 GPIO2. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
PORT.B signal on ESP32-S3 GPIO1. M5Stack describes PORT.A/PORT.B as reserved expansion interfaces for I2C and GPIO devices.
Download-mode button input. M5Stack says to hold the G0 button on the StampS3 before powering on to enter download mode.
Reset/power control button. M5Stack documents pressing RST when no external USB supply is present as a power-off path.
Wi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.
10 I/Os Relay Module - CPU ESP32 (Relay Output) visual preview10 I/Os Relay Module - CPU ESP32 (Relay Output)
Adafruit ESP32 Feather V2 w.FL Antenna - 8MB Flash + 2MB PSRAM visual previewAdafruit ESP32 Feather V2 w.FL Antenna - 8MB Flash + 2MB PSRAM
Adafruit ESP32-C6 Feather - STEMMA QT visual previewAdafruit ESP32-C6 Feather - STEMMA QT
Adafruit ESP32-S2 Feather - 4MB Flash + 2MB PSRAM visual previewAdafruit ESP32-S2 Feather - 4MB Flash + 2MB PSRAM
Adafruit ESP32-S2 Feather with BME280 Sensor - STEMMA QT visual previewAdafruit ESP32-S2 Feather with BME280 Sensor - STEMMA QT
Adafruit ESP32-S3 Feather 8MB with w.FL Antenna visual previewAdafruit ESP32-S3 Feather 8MB with w.FL Antenna
Adafruit Feather HUZZAH with ESP8266 WiFi visual previewAdafruit Feather HUZZAH with ESP8266 WiFi
Adafruit HUZZAH ESP8266 Breakout visual previewAdafruit HUZZAH ESP8266 Breakout
Adafruit HUZZAH32 – ESP32 Breakout Board visual previewAdafruit HUZZAH32 – ESP32 Breakout Board
Adafruit HUZZAH32 ESP32 Feather Board visual previewAdafruit HUZZAH32 ESP32 Feather Board
Adafruit Metro ESP32-S3 with 16MB Flash 8MB PSRAM visual previewAdafruit Metro ESP32-S3 with 16MB Flash 8MB PSRAM
Adafruit Metro M4 Express AirLift (WiFi) - Lite visual previewAdafruit Metro M4 Express AirLift (WiFi) - Lite
10 I/Os PLC Module - CPU Arduino Nano (Optoisolated Output) visual previewAbout 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.
Boards · Arduino boards · 77 parts
15x7 CharliePlex LED Matrix FeatherWing - Cool White visual previewAbout 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.
Boards · HATs, Shields & add-ons · 270 parts
16-Ch Servo Driver Breakout for micro:bit, I2C visual previewSpecialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
Boards · Other MCU boards · 229 parts
Adafruit DVI Breakout Board for HDMI Source Devices visual previewThe Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.
Boards · Pico & RP2040 boards · 43 parts