M5Stack Launches the M5Dial, a Swish IoT Rotary Encoder with a Built-In Color Touchscreen Display

With support for the Arduino IDE, ESP-IDF, and UIFlow, this multifunctional gadget aims to power your Internet of Things control projects.

M5Stack has announced the launch of the M5Dial, a smart rotary control device with a color touchscreen display, based on the company's M5StampS3 module — itself built around the Espressif ESP32-S3 microcontroller.

"As a versatile embedded development board, M5Dial integrates the necessary features and sensors for various smart home control applications," the company says of its latest launch. "It features a 1.28-inch round TFT touchscreen, a rotary encoder, an RFID [Radio-Frequency Identification] detection module, an RTC [Real-Time Clock] circuit, a buzzer, and under-screen buttons, enabling users to easily implement a wide range of creative projects."

The new M5Dial offers a circular color touchscreen display with a rotary encoder around it — and an RFID reader for good measure. (📹: M5Stack)

The heart of the gadget is the M5StampS3 module, which features an Espressif ESP32-S3 microcontroller with a dual-core Tensilica Xtensa LX7 32-bit processor running at up to 240MHz, 512kB of static RAM (SRAM), 8MB of pseudo-static RAM (PSRAM), and 8MB of SPI flash, plus an integrated Wi-Fi and Bluetooth Low Energy (BLE) radio.

To this, M5Stack has added a 1.28" color 240×240 touchscreen display based on the GC9A01 display and FT3267 touch drivers, around which is a moveable ring which triggers a rotary encoder input. Behind the screen is a 13.56MHz RFID tag reader, while for projects which require portability there's support for an optional battery which can be charged through either a USB Type-C connector or the board's 6-36VDC power input.

The M5Dial is now available to buy from the M5Stack store, priced at $34.90 plus shipping.

Gareth Halfacree
Freelance journalist, technical author, hacker, tinkerer, erstwhile sysadmin. For hire: freelance@halfacree.co.uk.
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