V2X2MAP is an open-source receiver and live map for ITS-G5 / V2X traffic working with ESP32-C5 board over 5.9 GHz WiFi.

An English rewrite of Jean-Luc Aufranc’s May 25, 2026 CNX Software piece on V2X2MAP — an MIT-licensed Android app by Peter Holzhauser (Pit711) that pairs with a cheap Waveshare ESP32-C5 dual-band Wi-Fi board to receive the European ITS-G5 / 802.11p V2X stack and plot CAM, DENM, SPATEM and MAPEM messages on a live map. Includes the legal disclaimer carried inside the app and a defenders’ view of the privacy and detection implications.

Thank you to Peter for writing in and sharing news about his Android app called V2X2MAP, which makes Vehicle-to-Everything (V2X) radio traffic visible on a live map via an attached ESP32 board. The app is not free but costs only a small US$2.49 fee. V2X is a cooperative wireless system in which vehicles and roadside […]

Yesterday, I wrote about the OpenTrafficMap ESP32-C5 C-ITS receiver board to monitor and potentially optimize traffic using 802.11p / ITS-G5 V2X

Yesterday, I wrote about the OpenTrafficMap ESP32-C5 C-ITS receiver board to monitor and potentially optimize traffic using 802.11p / ITS-G5 V2X communication over 5.9 GHz WiFi 6, and map all detected nodes on the OpenTrafficMap website. Peter Holzhauser  (Pit711) forked the ESP32-C5 C-ITS receiver firmware to port it to the Waveshare ESP32-C5-WIFI6-KIT development board and […]

Yesterday, I wrote about the OpenTrafficMap ESP32-C5 C-ITS receiver board to monitor and potentially optimize traffic using 802.11p / ITS-G5 V2X communication over 5.9 GHz WiFi 6, and map all detected...

Yesterday, I wrote about the OpenTrafficMap ESP32-C5 C-ITS receiver board to monitor and potentially optimize traffic using 802.11p / ITS-G5 V2X communication over 5.9 GHz WiFi 6, and map all detected nodes on the OpenTrafficMap website. Peter Holzhauser (Pit711) forked the ESP32-C5 C-ITS receiver firmware to port it to the Waveshare ESP32-C5-WIFI6-KIT development board and added BLE streaming. He also designed the V2X2MAP open-source Android app to interface with the board (since 5GHz WiFi on phones can’t usually handle 802.11p), and a Windows installer to flash the firmware. While the ESP32-C5 C-ITS receiver board integrates an ESP32-C5-WROOM-1 module, a GPS module, and an Ethernet port with PoE, the V2X2MAP project leverages any recent Android smartphone with a USB OTG port and GPS, so you can simply connect most ESP32-C5 boards to monitor live traffic at proximity (a few hundred meters to several kilometers) on your phone including traffic lights, public [...] The post Monitor live traffic from V2X signals with V2X2MAP open-source Android app and an ESP32-C5 development board appeared first on CNX Software - Embedded Systems News.