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Open Source

Everything tagged “Open Source” across notes, resources, and Mochi logs.

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NotesFirmwareSeptember 8, 2026

5G IoT with ESP32: Connect NB-IoT & LTE-M from Modem to MQTT

A practical ESP32 guide to integrating an NB-IoT/LTE-M modem: choose the network, power it safely, wire UART, use TinyGSM and send first telemetry.

ESP32FirmwareIoTNB-IoTLTE-MOpen Source

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NotesPCB DesignAugust 5, 2026

Reading an Open-Source ESP32 Schematic Before Reusing It

An ESP32 TouchDown case study for reviewing an open-source schematic before reuse, covering power, reset, boot, USB, connectors, and tests.

PCB DesignHardwareESP32Open Source

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