While I’m sure we all are missing in-person get-togethers, the Remo platform is pretty neat way to interact virtually. Some of you may remember that Hackaday used Remo for the community Bring-A-Hack at Remoticon last month. It features tables and seating areas for up to eight people, which offer participants the chance to enjoy smaller conversations.
The Holidays with Hackaday and Tindie meetup will be December 15th at Noon Pacific. You can register ahead of time on Remo, and be sure to check out the event page on Hackaday.io.
Come hang out and share your latest projects, check out what other people in the community are working on, and catch up with friends! We hope to see you all there!
We expect modern devices to have smart connectivity as standard now, linking phones to household devices, LED lights and even sound systems, but in the past things were not so simple! This Hifi Bluetooth Stereo Module is a descrete way to bring any speaker system or hifi up to modern standards, enabling you to sync your wireless devices to play your music loud over the ether!
This little devices has a tonne of features to enable you to play music on hifi systems and vintage speakers! It has a built in amplifier so can be connected directly to speakers themselves, with an option for passive (unpowered) or active (powered) output. It’s loaded with features and measures only 16mm x 16mm, so is easily small enough to fit inside and function perfectly within your precious JVC RC-M90!
The device comes as a mostly-constructed kit, including a screwdriver, with the hard work done for you and no soldering required. There are details on the product page for various speaker setups and options for powering the unit so please consult these before hooking up your vintage equipment.
The Hifi Bluetooth Stereo module is sold by IC Station who are based in China, with loads of nifty audio/visual gadgets to choose from!
The Holiday season is here once again and we want to say happy holidays from Tindie! One particular holiday that’s right around the corner is Hanukkah! For those who are unfamiliar, this year’s Hanukkah begins at sunset on December 10th.
In celebration of this holiday, let’s take a look at a few Hanukkah themed products available on Tindie!
If you’re looking to brush up on your soldering skills over the holidays, check out this light-up Hanukkah Menorah kit from Four Bit Industries. This soldering kit features 100% through-hole components for ease of use, double-sided circuit boards with plated through-holes, nine light-up LEDs, and it’s powered by a 9V battery.
The makers of this soldering kit also created detailed instructions for assembly, it’s perfect for beginners!
Check out this other fun electronic Hanukkah Menorah kit! This product is a PCB Hanukkah Menorah that features nine LEDs instead of candles. The creator, South Berkeley Electronics, originally designed it for friends and family and folks really enjoyed it and suggest they share it with others.
This neat product has some special features such as a “Scanner mode”, and is powered by a microcontroller so it’s ready for hacking! Order it as a kit for the fun of putting it together and practicing your SMD soldering.
The kit will come with the controller chip soldered on the board, but everything else is up to you to solder. It’s also available fully assembled if shoppers prefer. The maker also created a larger version of this product the Electronic Menorah Model II — KIT.
Happy Hanukkah to all who are celebrating the holiday from everyone here at Tindie!
Mid/side processing is a technique used to place audio frequencies into familiar areas of the stereo field, with low-end bass occupying the mid (middle or centre) and higher frequencies being sent to the side of the mix. The Mid Side (LRMSMSLR) Eurorack module is a modular device to not only split stereo signals into mid/side but also back to stereo, for a sound more in tune to human hearing.
The LRMSMSLR Eurorack module is simple in it’s design, eliminating the need for precise stereo mixing of frequency bands when mixing. Mid/Side is a technique developed in 1934, which actually precedes the ability to make and playback stereo recordings – with the aim to enhance the acoustic `space’ of a recording. Find out more about the technique here and find out some of it’s creative uses here. The LRMSMSLR will mix audio signals and has DC coupled inputs and outputs – so is also suitable for mixing control voltages in interesting ways.
The module uses professional quality amplifiers with low noise levels to process the signal clearly, with minimal colouring of the original sounds. You’ll find documentation and a datasheet on the sellers website for happy mid/side mixing!
This is the first product sold by LRR Audio who are based in the USA.
Nicely laid out on a black PCB, the 5V USB-C Dual Supply is a neat little device that takes two USB C inputs and safely combines the power lines and one of the data lines (port A) to a single output USB C connector.
Using MOSFETS to create an ideal diode arrangement it equalises the current draw across the two inputs, A and B, to share the workload of powering a connected device on the output. The ideal diode method prevents power from leaking back out through either of the input ports.
In use, this board can be called upon to create redundancy in power supplies, for example using a mixture of mains supplied USB and a battery or power bank. It also means that it’s possible to change the power supplied to a device without any interruption. Perfect for perhaps taking a Raspberry Pi for a walk on battery power after configuring the project using a mains supply.
Pocket Operators are genuinely the most fun and accessible music gadgets you’ll find on planet earth, particularly the PO KO with its built-in microphone and sampler. The Pocket Operator MIDI Adapter seeks to extend that joy to the serious business of music production, putting the full range of front panel features at your control via glorious MIDI messages!
This new version of the adapter goes beyond its original sibling with an updated Teensy 4.1 processor at it’s heart, as well as a full sized MIDI-in socket and numerous tweaks. The Pocket Operator MIDI Adapter uses pogo pins to make contact with the exposed button pads to simulate button presses so that no permanent changes are made to the oerator. All 23 buttons on the PO can be triggered by MIDI notes – which can be sent via the MIDI ports or over MicroUSB. It will also convert MIDI clock-in to PO clock for synchronisation with other gear.
Unlike other mods for the Pocket Operators, this one requires no soldering! You can buy it as a partially assembled collection or fully assembled with (or without) a Teensy – will all the instructions you’ll need here. See a video of it in action below!
The Pocket Operator MIDI Adapter is made by Hanz Tech who are based in Canada
If you are looking to convert a Denford MicroMill to GRBL this upgraded control board makes it completely painless.
The Denford MicroMill is a neat, small CNC milling machine popular with schools and colleges. They often find their way into the second hand market and are a good choice as they are often complete with enclosures and all safety cutouts. One problem with them is that they use a proprietary control system and software but often hit the second hand market separated from their ageing PC controller.
Upgrading to opensource GRBL control is a common conversion which usually involves stripping everything out to get back to the bare stepper motor wiring. However using this board it’s a simple plug and play conversion as this control board from Damped fits directly to the proprietary Denford 96pin connector. This same connector and protocol was also used on the Denford CNC lathes and it’s therefore useful for converting those machines as well.
You can purchase the control board on it’s own or you can add the option to include a pre-programmed microcontroller. Also offered is an additional Bluetooth module which means a wireless CNC milling machine conversion couldn’t be simpler!
The Le Strum is a superb musical device which has the potential to be converted into a larger instrument by breaking out the connections within another enclosure – although the difficulty in doing this is the sheer amount of soldering required! The Le Strum Breakout Boards are a set of PCBs designed to alleviate the potential pitfalls of hundreds of solder points and make the construction of a new instrument a breeze.
This PCB set allows you to break out the Le Strum’s chord buttons, hack header, note panels and more – joining them neatly and reliably via a 20-way ribbon cable secured by IDC sockets and headers. This is an incredible improvement for stability, durability and reliability over soldering everything to create a magical MIDI instrument! You’ll receive a set of PCBs, Ribbon Cable, IDC Headers, IDC Sockets and 2 single-row headers to attach to the Le Strum. If you need a constructed Le Strum too you can buy a set here.
Earlier this year, seller midierror made a MIDI leg for artist Elizabete Balcus which inspired the creation of these PCBs. Find other examples of what’s been created prior to their release here.
If you’re feeling adventurous, you can get a Le Strum Kit from SixtyFourPixels and build the lot yourself. The PCBs are available from midierror who’s based in Brighton England.
The IR2IO from rootfrogs is an incredibly simple way to add infrared controlled switching to a project without having to reverse engineer a particular remote controller. The process is simplified by an automated pairing system that means you don’t need to know the frequency or the protocol of your remote control to get up and running.
The IR2IO has four switch channels and each channel on the device has a corresponding momentary press button. To pair a particular switch with a particular button on any IR remote, you hold down the button on the IR2IO and then press the button on the remote. On release of the IR2IO button the corresponding switch channel should then be triggered every time that button is pressed on the remote control.
There are lots of use cases for this little device, from home automation to simple robot control and more. We love that it might mean some older devices remote controls, destined for landfill, might be repurposed to extend their useful life.
DIY Synth Noise Laboratory are four words which sound like music to our ears, conjuring up images of experimental audio adventures built from the ground up! It happens that the DIY Synth Noise Lab Analog Semi Modular Synth includes exactly those words and more, and delivers on its promise on being an analog semi-modular synth you can make yourself, and make noise with!
This DIY synth kit comes with all the components you need to make some semi modular noise, and will require some soldering experience. The synth itself is a subtractive synthesizer, meaning it has elements to take away from the main tone, such as on-board filters and envelopes. It features a VCO (Voltage Controlled Oscillator) capable of outputting a squarewave or sawtooth waveform, with Low Pass Filter to curb the high end and output some serious sub bass! This particular tabletop synth is powered by 9V battery.
The synth features a noise generator, amplitude envelope LFO (Low Frequency Oscillator) to add more texture and tone to your sounds. The DIY Synth Noise Lab Analog Semi Modular Synth is sold by Sandro’s DIY Synth Kit who are based in Italy and are already making a collection of seriously cool sound toys!
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