Radioaficionado desde 1977 con indicativo XE1VOZ y desde 2010 XE1E.

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 […]

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 […]

Arduino GPS Clock

ARDUINO By Saddam There are many GPS satellites around the Earth which are used to provide the exact location of any place. Along with the location coordinates (Latitude and Longitude), it also provide other data like time, date, altitude, direction tracking angle etc. We have […]


Por XE1E  Enrique Rodríguez Ll. * Radiador de ½  onda Sección de acoplamiento de ¼ de onda Impedancia de 50 ohms Relación de ondas estacionarias  1.2:1 en VHF y 1.5:1 en UHF Polarización vertical Omnidireccional Ganancia unitaria Material necesario: 1.- 1.5 mts. de cable plano […]

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 Energy

The Earth receives an incredible supply of solar energy. The sun, an average star, is a fusion reactor that has been burning over 4 billion years. It provides enough energy in one minute to supply the world’s energy needs for one year. In one day, it […]

Testing Your Solar Panels

How to test solar panels to make sure they’re working properly. Procedure For Testing Solar Panels Properly testing your solar panels is a very important but often overlooked procedure. You wouldn’t believe how many people completely skip testing solar panels and forget to confirm their solar power […]

Battery Storage

For when the sun doesn’t shine… A battery stores electrical energy in a reversible chemical reaction. The renewable energy (RE) source (PV, wind, or hydro) produces the energy, and the battery stores it for times of low or no RE production. Most batteries employed in […]