Thermoelectric Energy Harvesting for Batteryless IoT Sensors
Industrial motors continuously reject energy as heat. Under the right conditions, a small part of that heat can power the sensor used to monitor the m…
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Secure BLE OTA Firmware Updates on nRF5340: Architecture Notes
Firmware updates are one of the places where an embedded prototype either becomes maintainable or becomes expensive to support. The hard part is not m…
Secure Firmware Updates with a Secure Element: Building Trust Into the Bootloader
Imagine your embedded device is deployed somewhere in the field - a smart meter, an industrial sensor, a vehicle ECU. You find a critical bug. You pus…