ESP32 boards are tiny, but don't let that deceive you—they're incredible.
V2X2MAP is an open-source receiver and live map for ITS-G5 / V2X traffic working with ESP32-C5 board over 5.9 GHz WiFi.
Why buy one when you can build it cheaper?
If carrying a TV remote, a smart home controller, a password manager, a wireless keyboard, and a long-range IoT transmitter ...