13.8V 2A Power Supply using LM338


https://www.electronics-lab.com/project/13-8v-2a-power-supply-using-lm338/

Introduction This power supply appeared in the summer issue of Elektor 2000 without a PCB layout. So, I decided to build a PCB using Cadsoft EAGLE Lite edition following the Elektor’s schematic and introducing some changes. The power supply uses through-hole parts which are easy to find on market. Main part is LM338 Regulator which […]

Door Status Monitor using the ESP8266


https://www.electronics-lab.com/door-status-monitor-using-esp8266/

Rui Santos tipped us with this tutorial on how to monitor the status of your door using an ESP8266. In this project you’re going to monitor the status of a door using an ESP8266. The goal of this project is to show the endless possibilities that this $4 WiFi module offers when integrates with a […]

Display YouTube Stats on LCD Screen


https://www.electronics-lab.com/display-youtube-stats-lcd-screen/

In this guide “padeath” shows us how to use a 320×240 LCD display with Arduino UNO to display youtube statistics. The stats are updated once in a minute using the google API. This little Instructable will show you how to use a 320×240 pixel LCD screen connected to an Arduino Uno with a network shield […]

All CPU and MCU documentation in one place


https://www.electronics-lab.com/cpu-mcu-documentation-one-place/

larsbrinkhoff @ github.com has compiled a list of all CPU and MCU documentation. The list contains data sheets, programmer’s manuals, quick reference cards etc. This repository contains the documentations for various CPUs. It may contain data sheets, programmer’s manuals, quick reference cards, and the like. All CPU and MCU documentation in one place – [Link]

MNT VA2000, an Amiga 2000 Graphics Card


https://www.electronics-lab.com/mnt-va2000-amiga-2000-graphics-card/

This is an Amiga 2000 Graphics Card (Zorro II), written in Verilog by user “mntmn” @ github.com: This repository contains my Kicad schematics and Xilinx ISE/Verilog files for my graphics card project. This is a work in progress, started in October 2015. The first 4 prototypes were assembled in Jan/Feb 2016 and had noise problems, so […]

Beetle: Minimize Your Arduino Projects


https://www.electronics-lab.com/beetle-minimize-arduino-projects/

KickolasNage @ instructables.com introduces us to Beetle , a tiny arduino board able to minimize your projects to the size of a quarter. The DFRobot Beetle is one the latest innovations in minimalistic Arduino technology. About the size of a quarter, and the capabilities of an Arduino Leonardo, this tiny guy can minimize your projects with […]

WeMOS D1 ESP8266 Over the Air (OTA) update


https://www.electronics-lab.com/wemos-d1-esp8266-air-ota-update/

In this video educ8s.tv is going to show us how to wirelessly update the code of our Arduino project, using the WeMOS D1 ESP8266 based board. This is an impressive, and very useful feature. A few weeks ago, we took a first look at the very promising new board, the WeMos D1. You can watch […]

Quantum Dots Boost Solar Cells


https://www.electronics-lab.com/quantum-dots-boost-solar-cells/

R. Colin Johnson @ eetimes.com discuss about quantum dots applications and how scientists use them to boost photovoltaic output. LAKE WALES, Fla—Quantum dots are already being used commercially to boost the output and expand the color range of ultra-high-definition televisions, eliminating the need for the rare earth elements for which China as virtually cornered the market. […]

LED Weather Forecast using Raspberry Pi


https://www.electronics-lab.com/led-weather-forecast-using/

AughtNaughtZero @ instructables.com posted his latest project, a LED matrix visualizing data from a weather website such as temperature, pressure, humidity, wind speed etc. This project utilizes a 6 x 16 matrix of RGB LEDs to visualize a weather forecast pulled from the Weather Underground API. A Raspberry Pi runs a python program designed to fetch […]

Raspberry Pi Wifi module without USB


https://www.electronics-lab.com/raspberry-pi-wifi-module-without-usb/

This board will let you add WiFi functionality to your Raspberry Pi Zero without having to sacrifice the only available high speed USB port. The board is based on ESP8266 Wifi module. WiFi on a Raspberry Pi using the HAT connector and an ESP8266. The goal of this project is to add WiFi to the […]