do I really need a level-shifter if I use 5V-powered devices on an I2C-bus that has pull-ups to 3.3V? In my understanding the devices will only pull the lines (SDA, SCL) low (to ground) and never ...
I have a joystick that puts out analog voltage somewhere between 1.5V and 3.5V. I want to transform this range of voltage to control a motor controller that takes analog voltage between 0V and 5V. ...
I have a Wowwee animatronic robot that I've been tinkering with, with the goal of hooking my arduino up to it so that I can control it from my computer. The problem is, using a multimeter, I've ...
I've an input of two input lines, one being connected to ground and one carrying the signal (measured to ground). The output should be three lines with one being ground and the others measured in ...
I'm playing with the idea of making a multi-interface for classic game controllers. The interface connector between the system and the controller has several pins that can be used bidirectionally ...