All Articles
(8 total — page 1 of 1)
⏱ 7 min read — A first-principles look at how SPR biosensors detect molecules by watching a resonance dip move, and what it would actually take to build one on a bench.
⏱ 7 min read — What metamaterials actually are, why they break normal electromagnetic rules, and how engineers simulate and design them in practice.
⏱ 6 min read — Step by step guide to designing a custom PCB for the ESP-12F WiFi module in KiCad. Covers schematic, footprint, layout, and common mistakes.
⏱ 7 min read — A practical explanation of PID control using a self-balancing robot as the example. Covers proportional, integral, and derivative terms with real tuning experience.
⏱ 5 min read — A practical guide to running FreeRTOS on the TM4C123 microcontroller. Covers task creation, queues for inter-task communication, and semaphores for synchronization.
⏱ 5 min read — How to port the MAX30102 pulse oximeter and heart rate sensor from Arduino to TivaWare C on the TM4C123. Covers I2C communication, register setup, and BPM calculation.
⏱ 6 min read — A practical guide to using the Ra-01 SX1278 LoRa module. Covers wiring, common mistakes, library setup, and real range tips from actual builds.
⏱ 4 min read — Your TM4C123 suddenly disappears from Device Manager with no obvious cause. Here is the exact fix using LM Flash Programmer to update the ICDI firmware.