Firmware

Bootloaders, OTA updates, RTOS patterns, and the debugging techniques that keep embedded devices reliable in the field.

Implementing L2CAP Connection-Oriented Channels (CoC) over BLE in Flutter

Implement secure BLE L2CAP CoC streaming with Flutter. Learn dynamic PSM, CoC setup on iOS/Android, and high-speed data over BLE.

Firmware ESP32-S3

Make It Real: ESP32‑S3 Production Playbook

That ESP32-S3 prototype working perfectly on your desk? It'll brick itself in production. Here's the checklist that separates hobbyists from engineers shipping real products. You've built something magical. Your ESP32-S3 prototype streams 9-axis IMU data flawlessly. The BLE connects every time. Battery lasts for