Spot welding board – all in one

PLEASE USE CAUTION: This project uses 110-220V AC. There are sections of the device that can deliver a deadly shock to the operator. One should take all the necassary precautions both when building or operating. If possible wires carrying 110(220)V should never be exposed as casual contact can lead to a shock. Mar connectors, soldering, junction boxes and… Read More »

December 5, 2016

Spot welding control device

Anyone can build this simple to use light duty spot welder. I found all the parts I needed in my shop. I looked at some other plans on the Internet but they all seemed to require something I didn’t already have.

December 4, 2016

PIR sensor with smooth brightness change

PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small, inexpensive, low-power, easy to use and don’t wear out. For that reason they are commonly found in appliances and gadgets used in homes or businesses. They are often referred to as… Read More »

December 3, 2016