One of the first things that an amateur radio operator is likely to do once receiving their license is grab a dual-band handheld and try to make contacts with a local repeater. After the initial ...

ESPBattery( byte analog_pin = A0, int polling_interval_ms = 500, int min_lvl = ESPBATTERY_CRITICAL, int max_lvl = ESPBATTERY_FULL ); float getVoltage(); int ...

This library enables an Arduino or other compatible hardware to write or read data to or from ThingSpeak, an open data platform for the Internet of Things with MATLAB analytics and visualization.