Thanks to Helmut Strey¬†for allowing us to re-post this blog. Microfluidics Controller Finally, I managed to produce our first open hardware project. The Microfluidics Controller allows us to drive 8 air pressure controllers and 8 air valves. For this we have two 4-channel Digital-to-Analog chips (MCP4728) that produce voltages from 0-5V as input for our … Continued