Topic: on-call systems

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  • Build a Modern MQTT Pager: Revive the Classic Beeper
    December 27, 2025
    80%

    Build a Modern MQTT Pager: Revive the Classic Beeper

    A DIY project revives the classic pager using an ESP32 microcontroller and MQTT messaging, connecting nostalgic hardware to modern notification systems like Sentry for on-call alerts. The device features customizable audible alerts via RTTTL ringtones and a sleek, 3D-printed translucent case, ble...

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Related Topics

3d printing (1) notification systems (1) custom electronics (1) esp32 microcontroller (1) iot projects (1) pager history (1) retro technology (1) mqtt protocol (1)