Content for Project

Dr Brown’s Capacitor ESR Tester

” I finally got round to making my capacitor ESR tester this week after finding a nice simple 5 transistor version by EEVBlog member Jay_Diddy_B. Unfortunately, for me, the design was only SMD so, I decided to replicate his schematic in …

Dr. Fermentor V9 - Cooling and Heating Fermentation by an Arduino Controller

“I built a system to control the fermentation temperature of my brew (beer, wine, whisky) by circulating hot or cold water through the fermentation vessel by means of a heat exchanger (a stainless steel wort chiller) which is located inside …

Improving and Porting the PID Controlled Current Source Design Over to an ATtiny85

“So apparently the PID regulated current source using a switching regulator is a pretty popular thing, something that is searched for online quite often, at least that is what the blog stats indicate. In this post I will be taking …

IR Remote Controlled Home Automation

“Today in this instructable we are going to make something really useful and very cool thing a IR Remote Controlled Home Automation System. The reason i come up with this idea is, i hate to turn on and off my …

LED Halloween Face

“Halloween is just around the corner, why not make a fun led face to spook your visitors! This is a simple project that looks really cool at night. So lets get started!”

LED Writing Board for Kids

“Children like to play and usually don’t like to study. But, it is very easy to teach them by some interesting stuffs. ‘Learning by playing’ is the best way to teach them. From the thinking I made a LED …

Make Joystic for Retropie

“Here is my requirement. I wanted to build a handheld arcade machine using retropie. If you want to add your own controls like the sanwa joystick or buttons then there are two possible solutions given all over the internet. One …

MPPT solar charger tester

“One of my main goals with this design is to archieve very low standby current, somewhere in the tens of microamps. The basis for this is a low-power buck on the basis of a Texas TPS62120 where the microcontroller can …

Power management for portable Raspberry Pi projects

“The Raspberry Pi is a low cost, single board computer with reasonable performance and relatively low power consumption, typically a version of the Linux operating system, often Raspbian. The Pi family of boards have turned out to be very useful …

RFID interfacing with Arduino

“In this tutorial we are going to design a system to read the ID of RFID cards. RFID stands for Radio Frequency Identification. Each card has a unique ID embedded in it. These systems have many applications, like in offices …