Simple breakout board for ATTiny841/84 w/serial header arduino compatible
Designed by Azduino by Spence Konde in United States of AmericaThis seller is taking a break. Sign up below to get an email when they're back!
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New Rev. E will be added soon, moving to a standard 0.6" row spacing, and improves the silkscreen. Be aware that Rev E has the default pin mapping in the opposite direction as the Rev. D did! (Rev. D…
Read More…New Rev. E will be added soon, moving to a standard 0.6" row spacing, and improves the silkscreen.
Be aware that Rev E has the default pin mapping in the opposite direction as the Rev. D did! (Rev. D used the CCW numbering, Rev. E converges on the current ATTC recommended and default option, the clockwise pin mapping - though, of course, I managed to botch some of the silkscreen markings, leaving the groups of Vdd and Gnd pins unmarked on the top (but not the bottom) of the PCB - but for all other pins, the port/pin names are now listed, as are the major special functions. We've sacrificed a little bit of flexibility to fit the smaller PCB -
This is a simple development board for the Atmel ATtiny841 or ATtiny84 (or the 2k or 4k versions of those). It provides the familiar 6-pin FTDI header for connecting to serial (USART0, default pins) and a 6-pin ISP header for ISP programming. Stencil gerbers are available for having stencils made by OSH Stencils or elsewhere.
Using the core available from my Github at https://github.com/SpenceKonde/ATTinyCore the ATtiny841/441 or 84/44/24 can be used with the Arduino IDE, with optiboot bootloader support for the Tiny841.
This board is sold UNPOPULATED - SOIC-14 is a great package to practice drag soldering with :-)
Available Assembled - click here
What sets this apart from a typical ATtiny84 breakout board is that it provides the appropriate header for serial programming of an ATtiny841. Because the '84 did not have a hardware UART, very few people bothered to use it with a bootloader, and so there was no reason to provide a serial programming header. Now, with optiboot and a working Arduino core, programming the Tiny841 is as simple as programming a Pro Mini.
All of these parts (except the microcontroller itself) are common parts. Most SMD passives are 1206 to facilitate hand soldering. Reference designators shown in italics.
All of these parts (except the microcontroller itself) are common parts. Most SMD passives are 1206 to facilitate hand soldering. Reference designators shown in italics.
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