Dual channel Compact  Relay driver module can be controlled by feeding 2-12V trigger voltage, Very useful project for application like Micro-Controller based projects, Remote controller, Lamp on Off, and any circuits which required isolated 5A current and high voltage switching by...

In this tutorial at hackster.io you will learn how to log data from LM35 temperature sensor values to an SD card and store it as CSV file. In order to build this project you need the following parts: Arduino UNO idIoTware Shield USB-A to B Cable SD Card (up to 8GB)...

Circuit Basics @ youtube writes: In this video, I go through the process of calibrating an LCD touchscreen on the Raspberry Pi. Calibrating the LCD touchscreen should be done after installing it to make it more responsive and accurate. Raspberry Pi LCD Touchscreen Calibration -...

2x L298 H-Bridge Dual Motor driver project can control two DC motors connected to it.  The circuit is designed around popular dual H-Bridge L298 from ST. Motor supply 7V To 46V DC, Load 2Amp Each Channel. Features Motor supply V2: 7 to 46 VDC Logic Supply V1 : 5V DC...

deba168's new instructable is a weather widget: “an application that can be downloaded on your PC, laptop or a mobile device and perform the job of providing easy access to weather information” It’s an ESP8266 based weather display unit which retrieves localized weather...

Battery technologies of all chemistry are experiencing revolutionary changes nowadays. Nanotechnology is leading this revolution by yielding new battery technologies including but not limited to Tiny Supercapacitors and Li-ion batteries that never explode at any condition. But, it's...

An ultrasonic parking sensor project from Ch00ftech: After electing to use the PING))) sensor exactly as directed, I needed to build the rest of my circuit.  I wanted to build something robust that would mount nicely on the wall of my dad’s garage.  Figuring that the sensor...

The PNP transistor is a mystery to many. But it doesn’t have to be. If you want to design circuits with transistors, it’s really worth knowing about this type of transistor. by Oyvind @ build-electronic-circuits.com PNP Transistor – How Does It Work? -...