When [upir] saw that you could buy tire valve stem caps that read pressure electronically, he decided to roll his own Tire Pressure Monitoring System (TPMS) like the one found on modern cars. An ESP32 ...

Switching tires or running lower-than-normal tire pressures off-road that keep setting off the TPMS warning light? Here’s a tip: Put the sensors in a pressurized container. We don’t recommend running ...