So, just build it and load one of three firmwares. A new Com port will appear, check your Device Manager. Jumper J3 is used for low frequency programming. Newer Post Older Post Home. That’s what my next post is gonna be about. There is a square wave of 1 MHz on that pin. And as a result your controller stops responding.

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I have my previous version of USBasp programmer.

The schematic and firmware has changed but driver and the rest of the description remains same check here. To use it with Arduino go to And as a result your controller ;rogrammer responding.

One guy has made a huge job.

PROTTOSS PROTTOSS AVR910 USB Programmer driver download and installation

You might need the “low frequency” programming when internal oscillator of the controller the one you are about to program is set to kHz. So, just build it and load one of three firmwares.


I’ve already written about USBasp, so I’m not gonna do it again. When J3 is short the frequency is 20 kHz, when open – You don’t even need a computer or programmer. He adopted those three firmwares prorgammer one hardware. I personally prefer this programmer because it supports more chips and works with most software.

STK is a standard Atmel protocol. I’ve already told you about USBasp, it’s a great programmer, the fastest I know. Newer Post Older Post Home. I didn’t make the PCB, why should I?

But there is an easier way! That’s what my next post is gonna be about. Here’s the schematic of AVR Jumper J1 is used for loading firmware to this programmer through the same ISP connector.

Microcontroller home projects: AVR, USBasp, AVR-Doper all in one

Here are three archives containing hex-files and drivers for Windows. And then It’s got better.

To save it and use it in your projects again you need a high voltage programmer like STK If you know Russian you can check here. Like I said, it’s a universal schematic diagram. If you are just learning programming microcontrollers you might mess up with the fuse bits.


There is a square wave of 1 MHz on that pin. Remove it after loading and place jumper J2. Plug in the programmer.

Microcontroller-Cafe / Amazing Venture

So any program should support this programmer my gues. The description is similar to AVR All you’ve got to do is load suitable firmware. Posted by Nazar Sliunchenko at All I’ve got to do is change some connections on the board according to the schematic of AVR and reload the firmware. Check author’s site also in Russian.