The parts arrived for the RPM meter that uses an Arduino and reciprocal counting to get a three-times-a-second update rate with 1rpm resolution. Arduinos plus ready-made modules are a very qick route ...

If you do anything with electronics or electricity, it is a good bet you have a multimeter. Even the cheapest meter today would have been an incredible piece of lab gear not long ago and, often, me… ...

South Africa’s big companies, hospitals and universities have millions of square metres of rooftop space that is suitable for generating solar power.

Catonator: Mobile robot saws through rock electrically with a 2-meter saw The Catonator consists of a heavy-duty robotic arm that guides a giant circular saw. This is operated electrically.

We've tested hundreds of smart home products in more than 20 categories to help determine which ones are best for every room in (and out of) the house.

Nowadays, electricity is the most important or basic needs of human life. In this paper, the development of power factor meter using Arduino will be discussed. To measure power, several parameters ...

This set of two bestselling zero-gravity chairs cost a mere $60 each, which is great value for your money. Their alloy steel frames are coated in a rust-resistant black finish, with a durable ...

In order to read the capacitance value, which is obtained from a poplar-based capacitance sensor, two analogue pins, A0 and A2, were assigned as input and output pins. The GY-GPS6MV2 GPS module can ...

I purchased the unit on Ali-express at this url Tuya Smart WiFi Multi-Circuit 19 Channels Bi-Directional Power Energy kWh Meter Monitor AC90-480V 200A 300A with 19PCS CT Clamps there is quite a lot of ...