Multi-chemistry (Lithum, PB and others) battery charger/discharger with capacitance measurement and discharge graph for diffrent charge/load currents.
A modular 8-bit Computer able to recreate (nearly) every Retro computer of the late 70s to mid 80s.
Collection of KiCad PCB designs for custom keyboards, including full-sized and split ergonomic layouts with STM32F072CBT6 microcontrollers.