Immediate Data Ltd

M5Stack Cardputer firmware + PWA client. Turns the Cardputer into a WiFi-tethered peripheral — REST + WebSocket API for GPS, LoRa, IR, IMU, keyboard, display, GPIO, and audio.

Turn any ESP32 into a browser-controlled sensor lab — no coding required

No description.

Stable, deterministic localhost ports from project names — no config, no conflicts

Internet Connection Quality Monitor

Certificate-grade document signing and verification — runs entirely in the browser

Zero-touch WiFi provisioning for ESP32 using optical PWM — camera-based PWA reads LED blink, hands over credentials

Pseudonymous hardware proof of continuity. A FOSS counter to centralised digital ID.

A cors enabled webserver for local testing, it includes some caching too.

No description.

Offline Bitcoin Block Validator

A simple python command line app to manage a backlog and scrums - managing git branches too,

A lightweight Android proxy that lets you access remote servers via `localhost`, giving your web apps the same privileges as a secure origin — without needing HTTPS certificates on your dev server.

UK GDPR CCTV Subject Access Request PWA. Photograph the camera, identify the operator, generate a legally correct SAR letter, send from your own email.

Community-maintained registry of UK CCTV cameras and their data controllers, used by the CCTV SAR app to identify operators for Subject Access Requests.

Config files for my GitHub profile.