by Roger Clark | In my previous post, I reviewed some “5V 1W” solar panels, with a view to using them to power some IoT devices, and in this post I’ll show my experiments and conclusions about using the panel to charge the battery. LiPo cells have […]
Electrónica
Información sobre electrónica en general
Lipo Battery Guide
What’s a Lipo battery? Lipo Battery, its full name is lithium polymer battery, people also called Li-po battery, or more correctly lithium-ion polymer battery (abbreviated as LiPo, LIP, Li-poly and others). Lipo is a rechargeable battery of lithium-ion technology using a polymer electrolyte instead of a […]
Análisis: Fuente de Alimentación Conmutada ZK-4KX
alpha Todo electrónico necesita en su equipo de laboratorio una fuente de alimentación (FA). Es típico al principio que dicha fuente sea un proyecto DIY de una fuente de tipo lineal. Hoy os contaré de una FA conmutada económica y porqué creo que una fuente de laboratorio […]
XH-M240 Battery Capacity Tester mAh mWh for 18650 Lithium Battery Digital Measurement Lithium Battery Power Detector Tester Voltmeter
Hella Kharlamova Description: It is a Lithium battery capacity tester.It is used to test the voltage, discharge capacity and discharge energy of a 18650 lithium battery. Features: – Dual working power supply- 18650 battery special tester- Support display discharge capacity- Support display discharge energy- Support parameter memory function Specifications: Work […]
Construcción de un balun para TV
Autor:Bernardo Herrera Pérez El balun (contracción de las palabras inglesas BALanced to UNbalanced transformer), conocido popularmente como “cachimba” o “adaptador de impedancias”, es un dispositivo muy importante a la hora de acoplar una antena a un televisor (TV), ya sea mediante un cable coaxial o […]
DIY Portable Mini Refrigerator
By Open Green Energy Featured Published Nov 28th, 2016 Introduction: DIY Portable Mini Refrigerator By Open Green Energy I always love to drink chilled Coke. But when I go for a outing, no more any chance to get the chilled Coke.So I seriously wanted to have a […]
REVIEWS OF THE NANOVNA: AN ULTRA LOW COST $50 VECTOR NETWORK ANALYZER
A vector network analyzer (VNA) is an instrument that can be used to measure antenna or coax parameters such as SWR, impedance and loss. It can also be used to characterize and tune filters. It is a very useful tool to have if you are […]
Make your own printed circuit board
Make your own printed circuit board at home to reduce problems that arise from loose connections on a breadboard. If you are into electronics, PCBs are some of the most common things you will see. These boards make our lives easier by eliminating all those […]
LI-PO LI-ION BATTERY CHARGE MCP73831 TP4056 CIRCUITS
During the past year, I replaced a lot of batteries at home with a lot of batteries and replaced them with Li-ion batteries. Lantern radios, Led lantern, Hand broom etc … One of the radio lanterns was a 6v battery and the other one was a 1.5v […]
9 Simple Solar Battery Charger Circuits
Updated:June 21, 2019by Swagatam The post comprehensively explains nine best yet simple solar battery charger circuits using the IC LM338, transistors, mosfets, buck converter, etc which can be built and installed even by a layman for charging all types of batteries and operating other related equipment Overview Solar […]
Lithium Battery USB Charger – Powering your Arduino Project
So you’ve just finished building your Arduino project, and it’s happily running off the USB lead hanging out of your computer. And if it something like the Arduino Clock that looks at home on a desk, then everything is fine. But if it’s something you want to […]
Arduino Digital Clock Using RTC Module
Updated:January 13, 2019by Swagatam In this post we are going to construct a digital clock using RTC or Real Time Clock module. We will understand what “RTC” module is, how to interface with Arduino and what it does. By: Arduino Guru RTC module is a circuit, which […]
Portable, Solar 12V Battery Pack
By lonesoulsurfer About: I’ve always liked pulling things apart – it’s the putting back together again that I have some issues with. Camping these days usually means bringing along things that need power. Usually I’d just use the cars 12v outlet but I find this a […]
Arduino Mega 8x8x8 RGB LED Cube
By JamesP383 3 More Images “So, you want to build an 8x8x8 RGB LED Cube” I’ve been playing around with electronics and Arduino’s for a while now, including building a high amp switch controller for my car and a six lane Pinewood Derby Judge for our […]
Arduino Bluetooth Basic Tutorial
By Mayoogh_Girish By Mayoogh_GirishMayoogh GirishFollowMore by the author: Ever thought of controlling any electronic devices with your smart phone ?Controlling your robot or any other devices with your smartphone will be really cool. Here is is a simple and basic tutorial for interfacing Bluetooth with arduinoAdd TipAsk QuestionCommentDownload Step 1: Things You […]
Solar Powered WiFi Weather Station V2.0
By Open Green Energy DownloadFavorite This Instructable is a continuation of my earlier weather station project. It was quite popular on the web, people around the globe made their own by following it and given valuable feedback for improvement. By taking consideration of the comments and Q&A section […]
DIY Mini UPS for WiFi Router / Modem
In my locality, frequent load shading is a very common problem during the summer evening. I am really tired of this problem. I always wanted to have a mini UPS system which can power up my WiFi-Router/Modem for internet purposes and also charge my Smartphone. […]