Internet of Things

GFX is a fast and full featured replacement for standard IoT drawing libraries that is optimized to reduce bus I/O

Building for and consuming the Blitzortung Lightning Detection Network

Steps for building a device you can add to your existing garage door, which implements an atmega328, bluetooth (hc-05) and relay module which will allow you to open your garage door from any paired Android device.

Control 3 or 4 pin PWM fans using this library

Stream JSON efficiently on little devices with minimal flash and memory usage

Display automated (optionally controllable) Tetris on an LCD or Neopixel panel

Got an embedded or IoT widget with a screen but no real memory or flash space to speak of? Read this.

IoT data edge hub is designed for remote low power unattended applications. IoT devices can post data to the Hub which will store the data and make it available for later download to core servers. Design is based on a low cost ESP32 platform with an attached SD card.