This led him to design the Sailor Hat with ESP32 — a marine specific, open source hardware development board. The marine environment can be pretty harsh with extremes of temperature, rain ...

Open source and based on the ESP32, it’s accessible to most people ... It can even measure conductivity and temperature. But the main improvement here is that unlike other monitors that can ...

If you want to maintain detailed logs of the environmental parameters, you can host a database on your Raspberry Pi and ...