Simple breakout board for ATTiny841/84 w/serial header arduino compatible
Designed by Azduino by Spence Konde in United States of America
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We are happy to introduce our new line of breakout boards for QFN and DFN parts. We now cover all the common QFNs with 32 pins or less, and some uncommon ones.
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 prog…
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 :-)
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.
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We ship all orders via USPS. UPS will be added as an option in the near future, I hope. We do all shipping through Stamps.com, and they offer me UPS, but all addresses are rejected as invalid, and I have emailed support numerous times and have had zero response. So at present, we cannot entertain requests to ship through other carriers.
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Jack | Sept. 15, 2021
Ton | Sept. 29, 2018
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