Context: I have a robotic arm with a series of servo motors, that together draw up to 3A from my bench supply (depending on the load on the servos). To make it easier to transport the robot around, ...
I have an external triple-output AC-DC supply with the following output pinout: On the power supply, "ground" (pin 2) is internally connected to the ground wire of the mains plug. I'll refer to it ...
I am working on a project where I am using a microcontroller to control a 5V DC relay to control a mains device (an airconditioner). In this circuit, I would need to connect the AC wires to my PCB ...
I picked up a 9V switching DC adapter from SparkFun a while back, but I've been hesitant to use it because it doesn't have any of the usual "safety" approvals that you normally see on power adapters ...
My school uses HY 3005D-3 but I want to do it myself to save on $. Before opening it, I ask for tips about: not-to-break-it, cheap DC supply and DIY-materials (not that I know them soon). So how to ...