Raspberry Pi Powered 1969 Wurlitzer Jukebox (video)

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Raspberry Pi Powered 1969 Wurlitzer Jukebox

Raspberry Pi lovers are certain to get pleasure from this challenge which tells the story of revitalised a 1969 Wurlitzer jukebox utilizing the ability of the Raspberry Pi three mini PC.

Watch the video under to study extra in regards to the 1969 Wurlitzer 3100 and the way it has been remodeled utilizing an Arduino Mega, Raspberry Pi Mannequin three+, Lepai amplifier and LED sound activated color bar.

My father-in-law got here throughout a free 1969 Wurlitzer 3100 Jukebox in March of 2017, in working situation, nevertheless the earlier proprietor saved the entire unique 45s. Basically, leaving us with an empty cool trying speaker field. I had labored with an Arduino earlier than to interface bodily switches to digital working techniques by way of USB communication and figured I may use the identical principals to hack this machine as nicely. The concept was to take an Arduino Mega and join the jukebox buttons to the digital pins of the Mega, then use serial output to speak with a media playback gadget, finally selecting a Raspberry Pi Mannequin three.

The coding for this was essentially the most troublesome half, I had seen a number of video’s and weblog posts on-line for Arduino transformed jukeboxes however by no means the precise code that I may dig into, till I discovered a git repository by Thomas Sprinkmeier. This grew to become the muse for a revitalized working jukebox with all new music! As soon as I had the code engaged on each the Arduino and Raspberry Pi, I then wanted to make a customized button array and all new tactile jukebox choice switches since many of the 40+ 12 months outdated originals had been damaged. I needed to educate myself the best way to create silicone molds and clear resin casting. Total, I’m very pleased with this construct, it really works flawlessly and offers hours of music and interactivity identical to the unique jukeboxes from the 60s!

Supply: Adafruit : Tijuana Rick Artwork

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Raspberry Pi Zero Powered Sharp MZ-80K Miniature PC

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Raspberry Pi Zero Sharp MZ-80K

Take a look at this superior 1/5 scale mannequin of MZ-80Ok which is powered by a Raspberry Pi Zero and a tiny 1.5″ TFT display screen giving this retro miniature a very fashionable improve.

The tiny machine is powered by a 2000 mA LiPo battery and is supplied with a couple of additional parts equivalent to an Adafruit Powerboost 500 and LiPo charger.

This miniature itself was made in 1981, just some years after the MZ-80Ok – a tape-based machine with a 2 MHz CPU, 20 KB of RAM, and a built-in monochrome monitor – hit the market. The miniature has since been upgraded with some fashionable parts together with a Raspberry Pi Zero W and 1.5″ TFT display screen giving this retro miniature a contemporary improve – I particularly dig the hand-painted keyboard keys and the glowing inexperienced operation LED on the entrance panel!

Raspberry Pi Zero Sharp MZ-80K Mini PC

In the event you get pleasure from constructing Pi initiatives you is perhaps eager about our complete checklist of Raspberry Pi shows, HATS and small screens.

Supply: Adafruit : Panda Precision

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Fingerprint Garage Door Lock Powered By Arduino (video)

Fingerprint Garage Door Lock

Electronics lovers in search of a brand new challenge to maintain them busy this weekend could also be on this superior fingerprint storage door lock which is powered by Arduino and has been created by Instructables person Joebarteam.

The challenge just isn’t for the fainthearted however you may see the ends in the demonstration video beneath which explains a bit of extra about its development.

Joebarteam explains extra concerning the challenge and has kindly supplied full directions by way of the Instructables web site which is accessible by following the hyperlink beneath.

This technique consists of two fundamental components: An digital half that’s composed of energy electronics, management electronics and programmable digital: an Arduino This system just isn’t essentially probably the most optimized, free to switch it. If you need particulars on how the system works, you will see them in this system feedback.

The second a part of the system is completely mechanical. I’ve a swinging storage door like this one. So I used to be impressed by the present locking system that I made a decision to “modify”. Within the base system, there are two axes hanging on the door that slide behind the door body, left and proper to forestall it from tipping. So I imagined an electrically controllable system, with stepper motors, that may absorb or out metal stem in soil.

I’ll element the digital a part of the system and clarify briefly the reasoning I needed to create the circuit …
This technique was designed for a storage door. The bistable relay serves to disable the communication between the sensor and the Arduino in case there are greater than three false scanner fingerprints, or if the field containing the sensor Field that comprises the digital system) needed to be opened or torn off. (Effectively sure, if the evil thieves open the sensor field and reprogram to simply accept their fingerprints, it’s not very safe!)

That is the place the curiosity of utilizing a bistable relay comes into play. A bistable relay, not like a traditional relay, retains that switching place even whether it is not powered. If the present is turned off, then nothing works, but when the present returns, then the Arduino “Reset” and if there was not a bistable relay then the communication between the sensor and the Arduino can be restored, and there, the Nasty thieves can go dwelling in the event that they reprogrammed the sensor and closed the field!

Supply: AB

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