About project

This project is created with the basic idea to provide tiny, cheap and versatile PCB for ATtiny25/45/85 microcontroler, that you can leave it in your project with no regret of losing expensive Arduino board.

With the fraction of the Arduino price this small, but powerful uC ATtiny25/45/85 can be leave wherever you want. Many project can be simply shrink down to fit in to  ATtiny85 with 8k of flash memory.

PCB fit to 8 Pin IC's like ATtiny13, ATtiny15 ,ATtiny25, ATtiny45, ATtiny85. 

This small PCB fit in to the bread board, so you can develop your idea at first. And when you are ready just leave it in your final project because it is so cheap.

What is nice about ATtiny25/45/85 PCB that it have extremely narrow design that you can use 4 pins on each side of the bread board.
For compare you can see how many space do we lose with Arduino Micro.

Here is an example of classical blinking sketch running base on ATtiny25.

What makes this PCB so cool is that it is full reversible SMD and THT. It mean that depending on your soldering skills you can use one of the two options, SMD on one side and THT on the other side. You can also mixed both version depending on components in your warehouse.

Another example show ATtiny85 running OLED display SSD1306 via I2C interface.

Standard 6 pin ISP connector allowed you to program in easy way ATtiny25/45/85.

It has a really tiny size.

ATtiny85 running 2 servos.


Here is the video for How-To Shrinkify Your Arduino with detail explanation.


Each pin on this PCB is well describe on silkscreen that you don't need any documentation when you are playing with your prototype.
However, here you can find schematic for ATtiny25/45/85 PCB.

Pin of the ATtiny85 PCB.

Tech spec

• size: 33.5 x 11.2 mm
• package: THT DIP8 ATtiny25/45/85
• package: SMD SO08 ATtiny25/45/85
• reset switch, top and bottom side.
• reversible components THT - top side, SMD - bottom side
• standard 6 pin ISP programming connector.
• 2 output connector with access for all pins of uC
• schematic
  

Perk

Early Birds ATtiny25/45/85 PCB - limited to 10 sets

Early Adopters ATtiny25/45/85 PCB - limited to 20 sets

ATtiny25/45/85 PCB

ATtiny25/45/85  all parts

12 asseembled redy to go kits with ATtiny85 on board

1 asseembled redy to go kit with ATtiny85 on board

Risks & Challenges

Hardware project always involve risk. It is no different in this one.
 
This is my second campaign. With the first one all liabilities were fulfilled, and everything was done on time. I will make every effort to ensure that this time also this happen.

Timeline

week 46  2015 - End of campaign
week 47  2015 - Adjust design
week 48  2015 - Order PCB
week    1  2016 - PCB arrive
week    2  2016 - Early Birds ready to be shipped
week    3  2016 - other Founders ready to be shipped

Free Bonus

As a added bonus for those who pledge one of ATtiny85 perk and share this project on Facebook or Twitter with #ATtiny85 I will add one more free ATtiny25/45/85 PCB.

Thank you !