José M Blanes and Ausiàs Garrigós writes: Electronics engineers often use photovoltaic-module simulators to test dc/dc-power converters, inverters, or MPPT (maximum-power-point-tracking)-control techniques. The use of these simulators lets you work in the laboratory with...

The tiny board designed using A3979 IC from ALLEGRO which is complete micro stepping driver with built in translator. The translator is the key to the easy implementation of the A3979. It allows the simple input of one pulse on the STEP pin to drive the motor one micro step, which can...

4-Channel Relay Board is a simple and convenient way to interface 4 relays for switching application in your project. The project has large Relay which can switch current up to 20Amps. Specifications Input supply 12 VDC @ 360 mA Output four SPDT Relay Relay specification...

A new tutorial by The DIY Life is for building a home energy meter that provides information about power consumption and cost estimates for the month. Using Arduino and some other components you can build your own energy meter that measure the supply current to your home through a CT...

runtimeprojects.com has a tutorial on how to install and use Arduino libraries. Libraries are an essential part in the Arduino world. They are what makes Arduino so easy to use. Libraries are written to encapsulate complex functions and expose them as simple function calls to the...

Although there are so many cloud IoT platforms (ThingSpeak, thinger.io, TESPA.io, Xively, … ) available in the market, each offering APIs and tools to allow the Arduino and ESP8266 users to directly upload their sensor readings online for real-time visualization and global access,...

Have you ever wanted to get an interesting art frame? That can display and flip photos, scroll text, show the weather or display social media notifications? Frederick Vandenbosch’s new tutorial is for building an art frame using 32x32 LED matrix and Raspberry Pi Zero. Electronics...

by Denis Meyer @ elektormagazine.com: With a local (on chip) precision of ±1°C over a range of temperature from –40°C to +65°C, and a remote (up to 3 external sensors) precision of ±1°C extended up to +125°C, the MCP990X digital temperature sensor offers an economic and...