Collaborate Disseminate
One of the great things about the Hackaday community is how quickly you find out what you don’t know. That’s not a bad thing, of course; after all, everyone is …read more Continue reading A Single-Resistor Radio Transmitter, Thanks to the Power of Noise
In case you thought that cameras, LiDAR, infrared sensors, and the like weren’t enough for Big Brother to track you, researchers from Carnegie Mellon University have found a way to …read more Continue reading Tracking Humans with WiFi
As a fervent fan of twiddly and twirly widgets and tactile budgets in a device’s user interface, [Steve M Potter] created a remote control (pendant) for his CNC machine, which …read more Continue reading Wireless CNC Pendant Implemented With ESP-NOW
Today, everything from your computer to your dryer has wireless communications built in, but devices weren’t always so unencumbered by wires. What to do when you have a legacy serial …read more Continue reading Put Your Serial Port on the Web
Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a LiIon battery, you want to build a small …read more Continue reading Battery-Powered ESP8266 Sensor? Never Been Simpler
After being licensed as a ham radio operator since the early 2000s, you tend to start thinking about combining your love for the radio with other talents. In a 20-minute …read more Continue reading Supercon 2022: Mooneer Salem Goes Ham with an ESP32
When [Elixir of Progress] was looking at setting up environmental sensors around their home to keep track of temperature, humidity and such, the obvious ideas of using WiFi-connected sensors didn’t …read more Continue reading Connecting Commercial 433 MHz Sensors to MQTT and Home Assistant with RTL-SDR
The original Ghostbusters movie is a classic that’s still delivering nearly 40 years after its release — just let that sink in for a minute. Almost every aspect of the …read more Continue reading This WiFi Signal Strength Meter Ain’t Afraid of No Ghosts
A pet tracker has a particularly grueling set of requirements: small, light, rugged, incredibly long battery life, safe for the pet, and cheap. [Mihai Cuciuc] was looking at the options …read more Continue reading Giving Your Pets A Digital Squeak
The Raspberry Pi Pico is a handy little microcontroller that has become a widespread addition to many hackers’ workbench. The Pico W has a CYW4342W module (just like the Pi …read more Continue reading Roll Your Own WiFi Driver For the Pico W