ESP32 touchscreen controller & dashboard for JK-BMS battery packs — live monitoring, settings & MOSFET control over RS485, 12-language UI, Home Assistant (MQTT), built-in web app + OTA, and a ...

Abstract: The ability of the Arduino platform to enhance student interest and performance in science, technology, engineering, and mathematics (STEM) courses, while fostering skills that are important ...

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Morse code, often referred to as continuous wave (CW) in radio circles, has been gradually falling out of use for a long time now. At least in the United States, ham radio licensees don’t have to ...

When the first radios and telegraph lines were put into service, essentially the only way to communicate was to use Morse code. The first transmitters had extremely inefficient designs by today’s ...

// 40x4 character LCD (which has two Enable terminal, E1, and E2) support is added. // Hopefully it will also work on ATMega328P, but I coded and checked only on ATMega1284P. // (RAM (whose area is ...