A clock made from old Nixie tubes with a 555 booster driver controlled by an ATMEGA8535. PCB and firmware dowloadable.
A simple water activity meter to test the content of free moisture of foodstuffs. Menu structure, PCB and firmware dowloadable.
This is a control unit for a Haake thermostatic bath built around an Arduino Pro Mini. Downloads of the PCB design and the firmware are available.
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