How To Make MPPT Solar Charge Controller | Wi-Fi Server
Hi friends! In this article, we are going to make an mppt charge controller. This mppt charge controller has a wi-fi server so we can monitor the parameters of the charge controller on our smartphone. This article is sponsored by JLC PCB which is one of…
How to build a simple laser tachometer
LEDs emit light. But did you know you can actually use an LED to sense light? We are going to use this trick and check how to build a laser tachometer circuit. You can use this technique to measure the RPM of any rotating mechanical device….
Most Versatile Voltage Converter you never heard of! The (S)EPIC Converter
I love DC voltage converters like these and so should you. I mean you can get them inexpensively from sites like Amazon or Ebay and they are oftentimes crucial when it comes to powering your electronics projects. For example, a Buck Converter takes a higher input…
How to Make AC Light Dimmer
Today we are going to make an ac lamp dimmer using Arduino so without further ado let’s start this video if you haven’t subscribed to my channel then do subscribe and don’t forget to press the bell icon so you can get notifications whenever I upload…
Soldering Station Review
Hi Friends, I’m gonna review cara 878 smd rework station. So there is a box of cata 878 smd rework station. Let’s open up the box and see what we have in it. So we have the main unit, the holder, the power cord and some…
How To Make MPPT Solar Charge Controller
A solar charge controller is a device, which is connected between the solar panel and battery. Solar charge controllers make sure to charge battery correctly, and protect the battery from being damage by over charged. There are two types of solar charge controllers, PWM (Pulse Width…
How to Make Smart Password Door Lock
Today we are going to build an eight digit password based security door lock. the system is based on Arduino. A 4×4 keypad is used to enter the passcode, eight LEDs are user to display the number of digits entered, a servo motor is used to…
Automatic PWM Battery Charger
Today we are going to make an automatic battery charger, an automatic battery charger is a charger which stops charging the battery when battery is fully charger. the automatic battery charger we are going to make uses PWM (Pulse Width Modulation) technique to charge the battery….
How to Make Arduino Ohm Meter
An ohmmeter is an electrical instrument used to measure the resistance of a component or in a circuit. Resistance is a measure of the opposition to current flow in an electrical circuit. The unit of electrical resistance is ohms and its symbol is Ω.so today we are going to make an ohm meter…
How to Make 1.2V Battery Charger
AA batteries are widely used in portable power tools, photography equipment, flashlights, toys, emergency lighting, hobby R/C, and portable electronic devices. The problem with standard AA batteries is that we need to replace them when they discharge which sometime become costly the solution for that is to use…