A BLE-powered status light for Codex cli Agent, using ESP32-C3 to visualize AI coding states such as thinking, busy, success, error, and waiting for user action. 基于 ESP32-C3 的 Codex cli Agent BLE ...

Ultra-low power consumption: ~14μA in sleep, ~83mA during refresh (~15s). Long battery life: 6-12 months on a 5000mAh battery with 30-minute update frequency. Customizable display: Supports multiple ...

Espressif’s ESP32 series is the go-to choice for many people looking to take on microcontroller-powered projects. Not only are they cheap and versatile, but they’re also available in a variety of ...

A cheap $7 board can turn its hand to ad blocking. It works as a DNS sinkhole, stripping out ads before download. Other options include using a Raspberry Pi and buying hardware. They say that ...

Building an indoor positioning system using ESP32 requires technology beyond GPS. While GPS trackers excel outdoors, indoor positioning system needs Ultra-Wideband (UWB) technology to achieve ...

[Sam Wilkinson] recently installed a Dreo CLF513S ceiling fan in his place — it’s cheap, well-sized, and blows air around as you’d expect it to. The only problem is that it only works with an ugly ...

How long have we been hacking routers? To some of you who’ve been in the Hackaday audience for a while, the answer is “nearly forever”. In the early 2000s, they were one of the few consumer gadgets ...