Les projets de VE2CUY

Hold on to that pile of gold

Document converti depuis ve2cuy.com/blog — publié le 2010-06-03 — dernière modification : 2010-06-03

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For the last year, I have been using an Arduino board and the associated IDE to build a few projects around the Atmega328.

If you are willing to live with miner limitations; boot loader, hardware wrappers (timers, interrupts), …, it’s a very handy solution.

The only major annoyance is the scarceness of the Atmega328 or 168 chip! Try to get one with DIP package at a reasonable price… It’s been out off stock for a while now at DigiKey (well I guess not anymore: DigiKey, Mouser)

I saw, on eBay, a seller that was asking 1,99USD + 8,50USD for shipping – for one Atmega328. I said to myself, hum, it might be a good opportunity for 10 pieces. So I asked the sealer.

Surprise! (well, not really), I got this:

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Dear aboudro,

“For normal price of total price 10units(Atmega328) is $105 but for you that special price of total price 10units(Atmega328) is $85

Best regards,

– m……

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Great, He gave me a special price on shipping, 65$ to send a 2 ounce package. I felt so lucky.

Back to my story;

Atmel makes a lot of fine and available chips so I got myself an Atmel AVR ISP In-System Programmer and some ATTINY2313-20PU-ND.

Their IDE is a pleasure to work with and I like the idea of ‘in circuit programming’.

My next AVR project will be a frequency counter – on the local oscillator- with I.F. adjustment – for a vacuum tube, shortwave radio I am working on. See this post: Project 4 – SW tube receiver. It will be used to display the tuned station frequency.

I will start by using a Hitachi HD44780 compatible LCD display but I might switch to nixie tubes.

To be continued…