Community Robot Tutorials Tip120 & Tip122 Transistor Switching Circuit Step 4. Tip120 & Tip122 Transistor Switching Circuit Step 4. 7.) Use a small off cut from the servo Extension and solder one end to the strip of the Collector of the transistor. 8.) Solder the other end of the off cut to a spare copper strip next to the Red wire. Next Step Upgrade to ARC Pro Get access to the latest features and updates before they're released. You'll have everything that's needed to unleash your robot's potential! Compare Pro Features View Subscription Plans Login to post a comment
Tip120 & Tip122 Transistor Switching Circuit Step 4. 7.) Use a small off cut from the servo Extension and solder one end to the strip of the Collector of the transistor. 8.) Solder the other end of the off cut to a spare copper strip next to the Red wire. Next Step