The first potentiostats were analog and quite large. Later, digital potentiostats were developed that had the potential for user-friendly software and miniaturization. For 20 years, PalmSens has developed potentiostats with a focus on portability. This includes end-user devices for researchers, as well as potentiostat modules which allow customers to develop their own electrochemical instruments. Thanks to a cooperation with Analog Devices, the EmStat Pico is a potentiostat module with exceptional performance in a small footprint.