"Tiago" tipped us with his latest Android App. His app, ElectroCalc is a fast calculator for electrical and electronic circuits. The calculator includes many tools and comes in a free and a Pro version. Check it out! ElectroCalc - Electrical and Electronics Calculator -...

In this tutorial GreatScottLab will show us how to build a power meter and logger using Arduino and INA219 power monitor IC: In this project I will show you how I combined an Arduino, an INA219 power monitor IC, an OLED LCD and a Micro SD Card PCB in order to create a power...

Linear Technology has launched a higher-temperature 150°C version of its LTC3786 step-up DC/DC controller that boasts 98% efficiency. This H-grade device replaces the boost diode with an N-channel MOSFET for higher efficiency and reduced power loss. by Susan Nordyk @ edn.com: The...

4 Channel Relay Board is a simple and convenient way to interface 4 relays for switching application in your project. Very compact design that can fit in small area, mainly this board is made for low voltage applications. Features Input supply 12 VDC @ 170 mA Output four...

Single Channel Large current relay board with dual DC-DC converter board is mainly designed for Hobby CNC, Routers, and Plasma cutters. Hobby CNC controller requires multiple DC outputs to drive various things.  This board provides 5V DC and 12V DC 1Amp each. The dual supply helps...

The LoRa Alliance™ is an open, non-profit association of members who believe that the Internet of Things era is now, its LoRaWAN is a Low Power Wide Area Network with features that support low-cost, mobile, and secure bidirectional communication for Internet of Things (IoT),...

If you have ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The LC-04 bi-directional logic level converter is a small device that safely steps down 5V signal to 3.3V and steps up 3.3V to 5V at the same time. In this instructable, mybotic explained...

Circuits.io is an online platform created by Autodesk for hardware hackers. It provides a browser-based application for designing, simulating electronic circuits and creating PCB boards. Autodesk circuits simulator can simulate Arduino-based projects for testing designs and programs...