Lightweight ESP32/Arduino emulator for host-side testing — real network sockets, no hardware needed.
Run your ESP32 and Arduino sketches on macOS or Linux. The HTTP server listens on localhost with real POSIX sockets — test with curl, your browser, or integration tests. No QEMU, no Wokwi, no hardware ...
Thermal printing is a non-impact printing method that uses heat to produce images or text on specially coated heat-sensitive paper, known as thermal paper. It prints by passing the thermal paper over ...
Verify contrast (it could be too low preventing you to see text), you can adjust contrast using the blue potentiometer on the I2C backpack. Check the I2C address ...
Most of us would be familiar with the 16×2 Dot matrix LCD display that is used in most of the projects to display some information to the user. However, these LCD displays have a lot of limitations in ...
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