Overview

If you have ever tried to do serial communications or anything timing specfic on a Attiny with the internal oscillator, you know that you need to tune the microcontroller before it will work. Tuning can be a little tricky to get the code and wiring hooked up. So I decided to simplify it and make it a snap.

Introducing the TinyISP-Tuner! It can program your Attiny with the Arduino IDE using TinyISP that is configured for tuning. The TinyTuner2 sketch receives a 16ms pulse from the on board Atmega328p (TinyISP) and saves the oscillator adjustment value to EEPROM. Then all you have to do is add some code to your setup() function to load the value and set it in the register.

Details

Supports ATtiny84/44/24, ATtiny85/45/25, and ATtiny2313/4313.

Kit Contents:

  • 1x PCB
  • 1x 6pin Right Angle header for FTDI programming
  • 1x Atmega328p DIP (Pre-programmed with TinyISP configured for tuning)
  • 1x 16Mhz Resonator
  • 2x 0.1uF Capacitor
  • 1x 10K Resistor
  • 1x 330Ohm Resistor
  • 1x Red LED
  • 1x 20pin socket
  • 1x 14pin socket
  • 1x 8pin socket
  • 1x 28pin socket

Requires some easy soldering with through hole parts.

Guide is on http://friedcircuits.us/docs/tinyisp-tuner/

Requires FTDI cable or adapter.

There will be an Acrylic base.

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TinyISP-Tuner

  • $16.00


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Tags: tools, tiny, attiny, tuner, isp, icsp