Using Java for Small IoT Devices
summary
Java runs on microcontrollers by using a tiny JVM and a small OS that fits on Cortex M devices and boots orders of magnitude faster while cutting power so a wearable goes from daily charging to two to three weeks between charges. Proven stacks include a port of Eclipse Californium and a lightweight M2M client plus MQTT agents, all managed by an Edge hardware abstraction layer exposing peripheral manager, I2C/SPI/serial and digital/analog I/O. Demos show a Cortex M7 controlling a washer and Z‑Wave lights and an Android companion installing apps from an online store.
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chapters (6)
- 0:00Java on small IoT devices
- 3:19Java in embedded systems myths
- 7:00Edge project and MicroJ
- 12:12MicroJ products and capabilities
- 14:23Java on Cortex M demos
- 18:45Future plans and Q&A
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