# BLE ADV

Published articles for BLE ADV.

This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles.

## ESP-Knob: A multifunctional smart controller with the ESP32-H2

DevFeed: [ESP-Knob: A multifunctional smart controller with the ESP32-H2](<https://devfeed.tech/articles/esp-knob-a-multifunctional-smart-controller-with-the-esp32-h2-13686.md>)

Original publisher: [Read original article](<https://developer.espressif.com/blog/2025/03/esp32h2-knob/>)

Author: John Lee

Published: 2025-03-27T10:37:17Z

Content type: article

Language: en

Sources: [Blog on Developer Portal](<https://devfeed.tech/sources/blog-on-developer-portal.md>)

Topics: [ESP32](<https://devfeed.tech/topics/esp32.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [Embedded Software Dev](<https://devfeed.tech/topics/embedded-software-dev.md>), [interoperability](<https://devfeed.tech/topics/interoperability.md>), [Home Assistant](<https://devfeed.tech/topics/home-assistant.md>), [Matter](<https://devfeed.tech/topics/matter.md>), [Espressif](<https://devfeed.tech/topics/espressif.md>)

Tags: [battery](<https://devfeed.tech/tags/battery.md>), [ble](<https://devfeed.tech/tags/ble.md>), [ble-adv](<https://devfeed.tech/tags/ble-adv.md>), [ble-hid](<https://devfeed.tech/tags/ble-hid.md>), [ble-mesh](<https://devfeed.tech/tags/ble-mesh.md>), [blog](<https://devfeed.tech/tags/blog.md>), [debugging](<https://devfeed.tech/tags/debugging.md>), [esp32](<https://devfeed.tech/tags/esp32.md>), [esp32-h2](<https://devfeed.tech/tags/esp32-h2.md>), [espressif](<https://devfeed.tech/tags/espressif.md>), [firmware](<https://devfeed.tech/tags/firmware.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [home-assistant](<https://devfeed.tech/tags/home-assistant.md>), [matter](<https://devfeed.tech/tags/matter.md>), [re](<https://devfeed.tech/tags/re.md>), [usb](<https://devfeed.tech/tags/usb.md>), [zigbee](<https://devfeed.tech/tags/zigbee.md>)

### AI overview

The article introduces Espressif's ESP-Knob, a multifunctional smart controller powered by the ESP32-H2. It describes support for Home Assistant and wireless protocols including BLE-HID, Thread, Matter, ESP-BLE-MESH, and Zigbee, along with its push-rotary control, magnetic base, and battery or USB power options.

### Source excerpt

This article provides an overview of the ESP-Knob, its features, and functionality. It also details the hardware design and outlines the firmware framework that supports its operation.