Here are ways to do addition, subtraction, multiply and divide using a multimeter. Addition Addition is very simple! To do it just connect some pots in series. With series resistors their resistance adds up. Subtraction NOTE: If there are 3 or more pots in series, just set them all the way down to 0 ohms. …
Tag Archives: voltage divider
USB charger data voltages
You may be thinking that usb charging devices use just the 5v and ground wires? Well your wrong as those devices don’t want to break the charger by drawing too much current. They require certain voltages on the 2 data lines. It took me alot of research to figure out how to configure it. If …
TV coax oscilloscope probe
In this blog post I will show you how to build a x1 probe and a x10 probe. You will need resistors, a pen(prefer one with the tip can come off),6ft or less of TV coax, paper clip,one alligator clip, 1 Meg impedance oscilloscope and a f jack to BNC adapter. You will want to …
Circuit Simulator