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Thursday, December 28, 2023

Is There Anybody Out There?

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2025-05-25 Got an email a few weeks ago - Marlin P Jones (mpja.com) is ceasing - has ceased - operations.  I placed one last order.  They we...
Sunday, June 18, 2023

HC-05 - Configuring for AT

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 If you have an HC05 Bluetooth transceiver and you would like to change its name or password, or go from Mode0 ('slave') to Mode1 (...
Saturday, October 31, 2020

Garage Door Remote

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2020.10.31   My garage door opener is about 30 years old. The motor and mechanism are still good, but its receiver started going wobbly when...
1 comment:
Sunday, May 19, 2019

Catalex Serial MP3 Player

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2019.05.19 I started working with this as a lead-up to my next project. They are still available, but cost twice as much as they did a cou...
Wednesday, April 3, 2019

Commodore64 Meets Arduino

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  I was a devoted C64 user from the time I bought one in '85 till the time I put it away in '96, on account of having moved house a...
Sunday, April 15, 2018

Bluetooth Speaker

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2018APR15    Began making a "bluetooth speaker". Using a BT receiver I found for sale on Groupon. It has RCA outputs and an 1/8 ...
1 comment:
Monday, January 15, 2018

Grundig - RTV 320 U

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2018JAN15   Picked up this tuner-amp (c. 1968). I was drawn to its having a shortwave band. Note that the high frequencies are on the lef...
Saturday, October 7, 2017

USB-6008 National Instruments DAQ

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Chances are, if you're working with LabView then you have their USB-6008 DAQ. It's an I/O module. Its digital outputs are configured...