this post was submitted on 07 Jul 2023
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AVR

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This is an UNOFFICIAL AVR community.

This is a community for people who use AVR microcontrollers. This can include Arduinos, Arduino clones, Arduino like boards, and stand alone AVR chips and self-designed boards.

NOTE: If your circuit is doing something weird when you touch a wire or move your hand across it see this pinned post.

This is a community for everyone who is interested in AVRs and Arduinos from beginners to experts, kids to adults, hobbyists to engineers.

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Arduino

RULES:

  1. All Lemmy.ca rules apply here.

  2. Everyone (see rule 98) is welcome.

  3. If you’ve seen a question 100 times answer it the 101st time or ignore it. Even better, write a complete, detailed answer and suggest that the mod(s) pin it to the community.

[Did you actually think there were 98 rules?]

  1. If you present something as fact and are asked to provide proof or a source provide proof or a source. Proof must be from a reliable source. If you fail to provide proof or a source your post or comment may be removed.

  2. Don’t be a dick. Yes, this is a catch-all rule.

  3. The mod(s) have the final say.

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I bought a few of these years ago. They are a small board that plugs into the back of a standard 1602 LCD board. They come with an ATMEGA88 which I changed out for an ATMEGA328P. They have a 74HC595 and a MAX232 to drive the LCD and RS-232 respectively. The LCD interface is SPI and it pulls all of the ports out to standard ETTEAM 10-pin box headers.

I find this form factor amusing and have tinkered with it but have never used this for a project.

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