Simple breakout board for ATTiny841/84 w/serial header arduino compatibleDesigned by Azzy's Electronics in United States of America
ATtiny1614, 3216 assembled boards restocked! Optiboot megaavr ATTiny boards are coming before black friday!
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.
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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United States Postal Service: Economy (untracked, bare boards only)
The cheapest shipping option available, for bare boards within the United States only.
United States Postal Service: First Class Tracked (recommended, cheaper than economy for 5+ items)
United States Postal Service: Priority Mail - Flat rate (fastest, tracked)
Domestic shipping via USPS Priority Mail - USPS advertises 1~3 day shipping time within the continental United States. This is a flat rate for any quantity of items - this is your chance to buy piles of small cheap items like my mini prototyping boards without paying extra for shipping!
United States Postal Service: Priority Mail Express
The absolute fastest domestic service offered by the postal service. This is typically one day faster than Priority; but as you can see, that is a very expensive day. Orders placed via this shipping method will be given top priority in handling.
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