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“In this tutorial I will describe how to create a secure and reliable wireless plug based on the tiny ESP8266 D1 Wemos mini for controlling appliances in your home. Cheap 433MHz Remote Controlled Switches have their advantage of being cheap …
“Monitor the phase shift between current and voltage to stop a pump when there is not enough water. For pool filtering. Monitor the phase shift between current and voltage to stop a pump when there is not enough water. In …
“In this tutorial we will merge all the parts seen in these past tutorials here. In those tutorials we have seen how to measure resistance, current, indcutnace and capacitance. Measure voltage is very easy. In this tutorial we make a …
“Back in the time when I was building my Arduino based Ludwik Drone I faced a problem of choosing proper motors and propellers. I didn’t know anything about drones at that time so I had to trust motor manufacturer …
“Do you pay too much for your electricity bills? Do you want to know how much electricity your kettle or heater consumes? Make your own portable Energy Cost Electrical Meter! Watch how I found the use of this device. You …
“In this project I will show you how I combined an Arduino Nano, a current sensor, an LCD, a rotary encoder and a couple of other complementary components in order to create an adjustable constant load. It features a constant …
“A smart electrical outlet that allows customers to rent electricity by paying with Bitcoins. Project Idea Bitcoin and blockchain technology opened a whole lot of opportunities for paying for goods and services but the catch was that it wasn’t …
“Hello friend, welcome back after a long break. Earlier I have posted an Instructables on Arduino Energy Meter which was mainly designed to monitor the power from the solar panel (DC Power) in my village. It became very popular on …
“This lithium battery is perhaps one of the most commonly used batteries today. It can be found in laptop computers, hand tools, electric cigarette’s and even electric vehicles. My personal experience has to do with being an engineer that …
“There are many practical situations where we need to know the current absorption of a circuit branch, a motor or in general, an electric utilizer. Sure, we could just use a multimeter set on amps measurement, but this is not …