VL53L0X-based plant water sensor
Protocol debugging of the wireless Vaillant calormatic 340f boiler / central heating controller (868MHz). Results are documented in our Wiki and implemented in rtl433 (and rflink)
Scanning protocol debugging of KONIKA Minolta magicolor 1690MF multifunction scanner/color laser printer => Basis for implementation of sane driver for magicolor devices.
MySensors BME280 node (using NodeManager to handle the communication and the sensors) using the EasyPCB board
MySensors BMP280 node (using NodeManager on the node), harware board is the stamp-sized MySensors board
Protocol debugging and configuration utility for HP 2101w wireless USB print server (USB forwarder). Also implementation of a configuration utility for the VAP11g wireless bridge (uses the same configuration protocol, but over Ethernet).