This 4-pin push button is a 2-pole switch. The two pins on each side are internally connected. When the button is pressed, the left and right sides connect, completing the circuit. Left pins are ...

PAL: Physical Abstraction Layer — REPL Is All You Need. An open standard for AI Agent-friendly embedded terminals. ESP32 + MicroPython dual-core architecture. Agent in Cloud, Terminal as Executor. - ...

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