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This is a
low cost USB In System Programmer for AVR microcontrollers.
It cooperates very well with AVRStudio (www.atmel.com) and it is very fast. Supports
a lot of AVR microcontrollers. Most of the elements
are SMD in order to keep the board simple and small. The
dimensions of the PCB are 48x48mm and is single sided so it can be manufactured without any special equipment at home. IC3 (ATTINY2313) must be
programmed in an external programmer (download files) and for this
reason is DIL package.
Main
power for the programmer is from the USB port and is possible to supply
power to the board that hosts the microcontroller been programed. The
switch in the right top corner isolates
programmer board's power line from target board's power line if the second
has its own power supply. IC1 (93C46) is an EEPROM and it is not necessary for
the operation. It can be programmed, on board from the USB bus using MPorg
(www.ftdichip.com), with additional information for the USBconnection.
AVRStudio 4 recognises automatically the programmer as an ISP
PROG. To use the programmer with AVRStudio 5 or newer must use AvrProg.exe from
an AVRStudio 4 installation or use Avr-Osp II. Both programs can be embodied to AVRStudio
5 or newer using "Tools->External Tools..." menu.
For Windows 8/8.1/10 to accept
unsigned drivers, we have to disable the security measure of testing unsigned
drivers. Particularly while trying to install FT232BM drivers, this security
measure won’t allow you to install the drivers. Follow the steps explained in http://porlidas.gr/InstDev/InstDevEn.htm (installing AVR USB drivers) to override this problem.
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