| Do you also want a head-up display for your car like in the luxury class? no problem
Mehr zu speed (3)
![Speed control for DC motors [140562]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.de%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2F140562-1v11-top-view-small.JPG)
| This is a simple circuit without the use of a microcontroller for a change, but an A/D-converter (IC3) has been added to make control throug...
| Simple circuit that projects the car's speed on the wind screen using 7-segment LED displays and an Arduino Uno.