by dmellis, published

TinyProgrammer by dmellis Oct 12, 2011



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For programming the AVR ATtiny45 and ATtiny85 microcontrollers from Atmel without any additional circuitry or components. This acts like a USBtinyISP (http://ladyada.net/make/usbtinyisp/) but provides an 8-pin socket for placing the ATtiny45/85 directly into the programmer. The firmware is a combination of USBtiny (http://dicks.home.xs4all.nl/avr/usbtiny/) and V-USB (http://www.obdev.at/products/vusb/index.html).

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can you provide a parts list for making this ?
thanks a lot

Can anyone help with a parts list?  I am having some issues identifying some of the parts.

if you look the schematic all componants and values are there

Hmm, I have a bunch of AtTiny13A MCU's, can this be used with these also? I am having trouble finding anything about using Arduino with the 13A's everything is around the 45 and 85... can I just use the 45/85 stuff and it will work ??

Thanks for sharing good stuff. I'd like to start with breadborad but I have a question about uploading the firmware to attiny84. I've been around only arduino so Can I upload the firmware hex with arduinoIDE? or Do I need a AVRISP? How can I upload the frimware? Sorry for my poor english and stupid question.

Can anyone tell me what diodes those are? D1 and D2 are just labelled 3.3v.

Those are zener diodes, used to clamp the voltage on the USB data lines to 3.3V. Without them, they'd be at 5V, which is out of spec (and a problem for many, but not all, computers).

Thank you. Do you offhand know what package they are, and also what package the crystal is?

I'm guessing SOD-123 and 2-SMD ?

Which software to which CPU ?

I want one !!! Do you plan on selling it?