futz f&ts v.i. To tinker experimentally; to change something just to see what it does

Another Bluetooth module to test. This one is the KCR-86B v4.0. No idea where I got it (probably Ebay), but they're available all over the interweb. This module is Bluetooth 4.0, obviously.

No USB and TF card socket connections on this one, but it does have a stereo aux input. It has LED indicato...

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Bought an Adafruit Trinket M0 on a whim in a recent order. I thought it was going to be just yet another little Arduino type board. Boring... Turns out it is that, but it's also more, and it's pretty cool.

This isn't a new thing, but it's new to me. The board is set up out of the box to run Circu...

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I'm tinkering with various cheap Chinese Bluetooth modules these days. This one is the KCX BT003 - about $3.50 Canadian. I bought mine at icstation.com, but they're available all over the interweb. This module is Bluetooth 4.2. It does MP3, WMA, WAV, and FLAC, and claims to be lossless.

This boar...

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On a recent China order I bought five 16F72 PIC microcontrollers in 28-SOIC for very cheap, thinking I could find some use for them. They sat in a box for a long time. Lately I've finally got somewhat caught up with work and have a little time for electronics tinkering again, so I decided to wire on...

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I love my 2-wire LCDs and use them all the time, but since I started tinkering with the PIC10F322 chip that has only four I/O pins I decided to have a closer look at Roman Black's "Shift1" system. I could really use that one extra pin!

Shift1 uses a 74HC595 shift register with a couple RC circ...

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