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Small square touch display with rotary knob in CNC metal case

WaveShare

WaveShare ESP32-S3 1.8inch Knob Touch Display 2 in 1 accessory

SKU CH-6HZS-VZ7E5

A 1.8 inch touch display with rotary knob runs dual ESP32 MCUs at 240 MHz, 16 MB Flash and 8 MB PSRAM, and connects via 2.4 GHz Wi-Fi and Bluetooth 5 for PC monitoring and media control

  • Dual ESP32 MCUs deliver up to 240 MHz processing for responsive smart-knob control
  • 8 inch 360×360 touch LCD shows 262 K colours for clear visual feedback
  • 4 GHz Wi-Fi and Bluetooth 5 enable wireless PC secondary-screen and audio functions
  • CNC metal case protects the board while staying compact and portable
  • Onboard audio decoder, microphone and vibration motor let you build voice-AI apps fast

ESP32-S3 Knob Display Board

This development board combines an ESP32-S3 and ESP32 dual-MCU design with a 1.8inch capacitive touch LCD. It provides 16MB Flash, 8MB PSRAM, 512KB SRAM and 384KB ROM running at up to 240MHz. Makers and embedded engineers can use it for smart rotary-knob interfaces, voice AI prototypes or portable secondary-screen projects.

Sustained Load Behaviour

The dual-core architecture shares 240MHz across four cores, so continuous Wi-Fi 802.11 b/g/n traffic, Bluetooth 5 audio streaming and real-time sensor reads divide the same compute budget. Heavy simultaneous loads such as audio visualisation while logging to the TF card will throttle individual core frequency rather than sustain peak throughput.

Wireless Interface Limits

The 2.4GHz radio supports 802.11 b/g/n and Bluetooth 5 LE and Classic, but the single onboard antenna must time-share both stacks. Congested 2.4GHz environments reduce reliable range and throughput, and the link cannot use 5GHz channels or newer Wi-Fi standards for higher bandwidth or lower latency.

Highlights

  • Dual ESP32 MCUs deliver up to 240 MHz processing for responsive smart-knob control
  • 8 inch 360×360 touch LCD shows 262 K colours for clear visual feedback
  • 4 GHz Wi-Fi and Bluetooth 5 enable wireless PC secondary-screen and audio functions
  • CNC metal case protects the board while staying compact and portable
  • Onboard audio decoder, microphone and vibration motor let you build voice-AI apps fast

Specifications

No published specifications for this item yet.

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