Posted inDIY LED Driver
DIY LED driver for 5Watt LEDs, 12V strips from 100-240 VAC
I got many requests to provide guide to build simple 230V to 1,3,5 Watt LED driver in response to my simple led driver diagram. So, below I'm writing an article…
Posted inAVR Solar Projects
OSSDAS rev. beta
This is current revision of the OSSDAS project. This new beta design is as follows. After few days this design will go to a board house. Now just touching it…
Posted inDIY
Simplest Solderless Breadboard Power Supply
To make a nice breadboard power supply at the cheapest and simplest way, you need the following, An old unused (working) mobile charger. A 2x2 0.1" pitch male pin header.…
Posted inAVR Solar Projects
Open Source Solar Data Acquisition System: First draft
O.S.S.D.A.S v1 stands for Open Source Solar Data Acquisition System. I have been working on this project since last few months. The picture above is the not the first prototype,…
Posted inDIY Solar Projects
Simple DIY Solar Panel (Homemade)
This project isn't something that uses a solar panel and uses the produced voltage for some electrical and electronics work. But this project shows how to make a solar panel…
Posted inMicrocontrollers USB
USB AVR Programmer final based on UsbtinyISP
This is update to AVR programmer. The schematics is a little changed now to include a ISP header, pin header for breadboarding with two GND/VCC so that power problems cant…
Posted inDIY PCB Making
PCB making process update: Easy PCB at home
The process in which I used to make PCBs at home has changed a lot in these recent months. Now I use Eagle CAD program to draw the board designs.…
Posted inPCB Making
Making SMD PCBs at home: Quick PSoC3 board built
Few months ago, I've showed how to make PCBs. The process is unchanged just I've started using inkjet photo papers for best transfers especially in case of SMD designs. One…
Posted inDIY
Homemade DC Soldering iron driver
There are a nice type of soldering iron in the market. It's a DC one. The iron rated at 12V/8W works fine in 9~15V range and gives adjusted temperature. There…
Posted inDigital Logic
NAND, OR and XOR device detection through gate test
The following gallery is of Gate test of logic ICs.I was given three ICs that were NAND, OR and XOR IC. And I had to identify them on basis of…