There was a time when only the richest ham radio operators could have a radio with a panadapter. Back in the day, this was basically a spectrum analyzer that monitored a broad slice of the ...

With the ESP32-P4 not having any wireless functionality and instead focusing on being a small SoC, it makes sense to combine it with a second chip that handles features like WiFi and Bluetooth.

The development was done on an Arduino Due. Tests have shown that the working range of several 433Mhz receiver modules strongly depend on the quality of the power supply. When the Arduino Due is ...