Just hacking an 18 V battery into the existing wiring and controls ... But perhaps the most exciting part of the PowerJeep project is the ESP32 that’s been added into the mix.

If you want a gorgeous e-paper weather display, the design work has already been done for you with this ESP32 project.

Some of the ESP32 Rainbow’s key features include a 40-key touch keyboard, a 320 x 280 pixel, 16-bit color TT display, a 2 watt, 8 ohm speakers, a battery connector, an SD card reader ...

The build is based around an ESP32 microcontroller ... it allows the project to last a long time running solely on battery power. As far as DIY weather stations go, this is an attractive and ...