Affordable Water Level Measuring Station 20Msps+ ADC RaspberryPi HAT City Air Quality Connected Health: Open source IoT patient monitor Cosmic Array Device for Seismic Noise Analysis FireBreakNet Hacker's smart electric bicycle controller HeartyPatch: A single-lead ECG-HR patch with ESP32 iDONT (Internet Doorbell ON/off Trigger) MeshPoint - wifi router for humanitarian crisis Open Source IOT Platform SLoRa - Wireless weather station for agriculture Sotto: A Silent One-Handed Modular Keyset The NanoStillery™ - Whiskey Distillery Tipo : Braille Smartphone Keypad ZeroPhone - a Raspberry Pi smartphone FarmCorder: Crop nutrition deficiency sensor