Projects

Collection of recent projects I've built:

NES Emulator

A Nintendo Entertainment System (NES) emulator built from scratch using modern C++, Vulkan, SDL2, and ImGui.

Modern C++
Vulkan Graphics API: High-performance, low-overhead graphics rendering
SDL2: Cross platform windowing and input handling
ImGui: Immediate mode GUI for debugging and settings
GLSL Shaders: Optional CRT filter
Memory Mapper Support: Supports mappers 0-4 and 7, covering a wide range of NES games

Works seamlessly across:

A low power ESP32 ePaper display that shows real time bus departures at a glance.

Completely Wireless
- Rechargable using the built in USB-C port
- Battery is swappable via a standard JST styled connector
- Fetches Data over WiFi
ePaper Display only uses power when being refreshed
Display + ESP32 is programmed using ESPHome and C++
The Bus information is fetched from the TFI API using a BunJS script
Data is sent to a local Home Assistant Server via MQTT and then propagated from there

Component	Specification	Price	Features
Microcontroller	Seeed Studio Xiao ESP32-C3	€4	Compact, WiFi, Low Power, Built-in Battery Charging
Display	WeAct Studio 4.2" ePaper	€15	400x300px, Low Power
Battery	8BitDo 1000mAh LiPo Pack	€4	Robust and Cheap

Total Cost: €23

For a bigger screen and an all in one kit there is also the Seeed Studio TRMNL 7.5 inch (OG) DIY Kit.
Although designed for use within the TRMNL ecosystem it can be used with ESPHome e.g. ESPHome Cookbook: TRMNL 7.5" (OG) DIY Kit

This ePaper Screen support partial refreshes.

Component	Specification	Price	Features
Microcontroller	XIAO ESP32-S3 PLUS driver board	Included in kit	Compact, WiFi, Low Power, Built-in Battery Charging
Display	7.5-inch Eink Display	Included in kit	800x480, Low Power
Battery	2000 mAh rechargeable battery	Included in kit	Robust and Cheap

Total Cost: €49.19