Simple breakout board for ATTiny841/84 w/serial header arduino compatibleDesigned by Azduino by Spence Konde in United States of America
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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 and ISP header for pr...Read More…
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 and ISP header for programming via ISP, and it has the capacitor for auto reset. A jumper is provided to enable or disable auto reset. Pads are also provided for external power in, capacitors, and a SOT-223 voltage regulator (if desired), and a crystal, (also if desired). The pads for the filter across the power supply are sized to accommodate anything from an 0805 ceramic to a tantalum capacitor, as shown in the pictures. These boards now feature ENIG surface treatment, and V-groove panelization
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 :-)
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.
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We ship all orders via USPS. UPS will be added as an option in the near future!
Ton | Sept. 29, 2018
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