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Hardware deep dives, embedded firmware notes, software craft, and the occasional opinionated take. Filter by category or tag, search by keyword.
Building a USB display from a salvaged smartwatch LCD
2 Mbps of UART proved software USB was pointless. Then came an RP2040, a DMA rewrite, and a colour bug I could not see.
Hacking a ₹249 Smartwatch: Custom Firmware on TLSR8232
A bike navigation idea led me to reverse engineer a ₹249 smartwatch, crack its SWire debug port, and flash my own firmware on it.
OPEN-SMART ILI9327 3.2 Inch TFT LCD Shield With Arduino UNO
Learn how to interface the OPEN-SMART 3.2-inch ILI9327 TFT LCD Shield with an Arduino Uno. This guide covers hardware setup, library installation, display initialization, and example sketches to help you create colorful graphical user interfaces and embedded display projects.
Nokia 1208 Colour Display With Arduino
Give new life to the classic Nokia 1208 colour LCD by interfacing it with Arduino. This tutorial covers wiring, required libraries, and example code to display graphics, text, and custom content on this low-cost display.