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USB AVR Programmer final based on UsbtinyISP

Updated - September 20, 2017 by Arup

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 […]

Filed Under: Microcontrollers, USB Tagged With: attiny2313, pcb, usb avr programmer

PCB making process update: Easy PCB at home

Updated - November 3, 2016 by Arup

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. […]

Filed Under: DIY, PCB Making Tagged With: DIY PCB making, homemade, pcb

Making SMD PCBs at home: Quick PSoC3 board built

Updated - November 3, 2016 by Arup

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 […]

Filed Under: PCB Making Tagged With: homemade, pcb, Quick PSoC3, smd

Homemade DC Soldering iron driver

Updated - November 3, 2016 by Arup

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 […]

Filed Under: DIY Tagged With: dc soldering iron, diy, soldering iron driver, temperature controlled soldering iron

NAND, OR and XOR device detection through gate test

Updated - November 3, 2016 by Arup

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 […]

Filed Under: Digital Logic Tagged With: gate test, logic IC testing

Atmega8 based Voltmeter Ampmeter v2

Updated - September 25, 2017 by Arup

atmega8 VA meter final

This is V2 update of Atmega8 Volt-Ammeter. This new version features the following upgrades, Low power consumption Better Amperes display resolution while using low value drop resistor. Much smaller PCB […]

Filed Under: AVR, Microcontrollers Tagged With: adc, atmega8, atmega8 adc project, atmega8 ampmeter, atmega8 voltmeter, VA meter

Yet another regulated power supply board

Updated - November 3, 2016 by Arup

This is just a basic demo board of 78XX IC and LM317. LM 7805 and LM7812 are used here as 5V and 12V regulators. The supply for this board is […]

Filed Under: DIY, Others

PCB update: Atmega8 Volt-Ammeter and USB AVR programmer

Updated - November 3, 2016 by Arup

PCB update

This is PCB update time. Few days ago I shared two projects made on veroboard. In these days, I have developed PCBs for those. Atmega8 based Voltmeter Ammeter for solar […]

Filed Under: AVR, Microcontrollers, PCB Making Tagged With: DIY PCB making, pcb

Atmega8 based Voltmeter Ammeter for solar application

Updated - September 9, 2017 by Arup

This project uses the ADC feature of a popular AVR, Atmega8.  Atmega8 based Voltmeter Ammeter used Component List: 1x Atmega8- Programmed microcontroller 1x 1×16 LCD with Green Backlight 1x High quality […]

Filed Under: AVR, Microcontrollers, Solar Projects

Simplest USB AVR programmer

Updated - September 20, 2017 by Arup

I don’t have desktop with legacy ports and don’t like going to friend’s home every time I need to download something to an AVR. I asked myself “how can i […]

Filed Under: AVR, Microcontrollers, USB Tagged With: usb avr programmer

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