Macro keypads can be a really useful productivity tool, and I challenge you to find a simpler one than this! It only uses two components!
Project tutorial by Brian Lough
Probably the most useful Arduino project I've ever made! A automatic tester for a product I sell.
A simple shield for programming ATtiny chips using an Arduino Uno/Mega.
by Brian Lough
Yeah I always wanted to implement something like this even when I was designing the board, it was nice to get an opportunity to do it. Some people question the need to test such a simple board, but I think at the scale I'm selling them at the moment it gives me huge piece of mind that they are right!
I love using these in projects! This particular one is so cheap too that it really makes sense to have a couple of them floating around.
I mainly use ESP8266 for my projects and no board like this existed (as far as I could tell) so I actually ended up creating one that I sell on tindie, but the price is not comparable to this one!
Cheers Kent! Whats the saying about if you want to do something faster, give it to a lazy person to do it, well that's me! Another big time saver I built for this, but it's not as fancy as this is a 3d printed template used for cutting the heat shrink the correct size, it's very basic but it helps a lot!
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