AVR Projects By Dim


Here are some of my projects based on Atmel’s AVR microcontrollers family.
There be a lot more to come so come back and check for time to time.

Help Board For STK500

Important!

A bug found in the placement of transistors T1, T2 in PCB.
The correct is the reverse of the drawing in silkscreen. The schematic it’s ok.

Not exactly a microcontroller project but it sure helps the design of projects with STK 500.
Read more…

Thermometer – Thermostat

Important!

A bug found in the placement of transistors T1, T2, T3 in PCB.
The correct is the reverse of the drawing in silkscreen. The schematic it’s ok.

A simple 2-digits thermometer with thermostat designed for central heating system. It uses the ATtiny2313 or the AT90S2313 and the DS1621 or DS1631 with some modifications
Read more…

Countdown Timer

Important!

A bug found in the placement of transistors T1, T2, T3 in PCB.
The correct is the reverse of the drawing in silkscreen. The schematic it’s ok.

timer.sch

A countdown timer designed for my PCB development box. The time range is between 1 to 90 minutes.
Read more…