diy projects
Long-Range Bluetooth LE Mesh on an STM32WB07 Module
An STM32WB07 board with Coded PHY and a 20 dBm amplifier pushes Bluetooth LE to 4.6 km line of sight. Here is how to…
diy projects
ESP32-S3 AM Transmitter Revives Old Tube Radios
AM stations are going dark, but an ESP32-S3 can feed internet radio to old tube sets by shaping a carrier on one GPIO pin…
raspberry pi
QuadRF Turns a Raspberry Pi 5 Into a Wi-Fi-Seeing RF Camera
QuadRF is an open source phased-array kit that turns a Raspberry Pi 5 into a real-time RF camera, mapping Wi-Fi and wireless transmitters in…