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Architeuthis Flux

OG Jumperless

OG Jumperless

$189.00 USD
$189.00 USD
Sale Sold out
Shipping calculated at checkout.

OG Jumperless

the original jumperless breadboard

 
What is it?

Using a bunch of analog crosspoint switches wired together into one bigger switch, this breadboard makes real, hardware connections between any points on the board or the Arduino Nano header at the top via software command, instead of needing to use jumper wires.

Jumperless also has a ton of voltage/current sensing so the RGB LEDs underneath each row can show a ton of information about what's going on with your circuit. 2 buffered high-current DACs (one 0-5V and one ±8V), 4 buffered and level-shifted 12-bit ADCs (3 are 0-5V and 1 for ±8V), 2 INA219 current and voltage measurement ICs, and 5 GPIO to simulate digital signals that can be routed to anywhere on the breadboard or the Arduino Nano header (also broken out to the top left corner for doing other things.)

Use it to probe the pins on an unknown IC, or for some automated fuzzing, or to read/write EEPROM chips, or to help guide you through converting a schematic to a real circuit, or do whatever the hell you want with it.

The connections are real and fully analog (-8V to +8V, up to around 1 MHz before signal quality starts to degrade) instead of cheating with some measure-then-simulate setup, although you can do that too if you want to simulate a memristor or to send jumpers over the internet.

There's also a Discord server

Go there, hang out, and get any questions you have answered. I'll be posting updates about production and stuff there too.


Controlling the thing

Probe mode is now a thing, so you can make connections by just touching rows. Check it out 

I include a probe kit in the box so you can assemble your own. If you're not comfortable with soldering, let me know and I will assemble it for you. 

You can also make connections using Wokwi while running the Jumperless Wokwi Bridge app on your computer. It's command line interface that automatically pulls any changes you make to your Wokwi project (both connections and Arduino code) and sends them to the Jumperless. It also checks for firmware updates and will automatically keep your Jumperless firmware up to date. 

Get the app with 

$ pip install jumperless

then run it with

$ jumperless

The commands are really simple and human readable so you can even just type in connections via any serial terminal you like.


For example, sending 

f  {then Enter} (to tell the Jumperless to accept connections)
1-2, 5-6, SUPPLY_5V-8

over any serial monitor you like would connect row 1 to row 2, etc. 

You can even have the Arduino Serial.print() that string (you don't even need an <enter> between f and the connections, a space will work too so "f 1-2,2-4,") the Jumperless will make those connections.

Here's a demo of an Arduino sending connections to the Jumperless over serial

It also passes through all the serial communications to and from the Jumperless so you can use the text-based menus to do things like running the wave generators, measuring current/voltage, and looking debug output on the Jumperless directly at the same time.Jumperless shows up as 2 USB devices, so you can connect the second one to the Arduino Nano and flash the firmware and communicate via Serial through one USB cable as if they were both plugged in separately. You can also route the UART Tx and Rx lines anywhere and talk to things just like you would with one of those cheap USB-Serial boards. 

DACs

It uses MCP4822 2 channel SPI DAC, which is fast enough to make waveforms well above 40KHz. This is the one thing the OG Jumperless has on the V5, it uses an SPI DAC which is much better for generating waves.

The DACs are buffered through an LM272D High Power (1A) op amp. The +-8V DAC output is hardwired to one of the 2 INA219 current/voltage sensors so you can always see how much current is being drawn. The other INA219 is routable anywhere on the breadboard.

 

For synth/music people

What's especially relevant for you guys are the DACs and ADCs. One output of the MCP4822 12-bit SPI DAC is level shifted with a beefy power op amp to +-8V and the other to 0-5V.

The ADCs are the built in (12-bit, 500Ksps) ones from an RP2040, double buffered and level shifted to the 0-3.3V the RP2040 can handle. One of them is shifted to read +-8V, the other 3 are 0-5V.

 

Power supplies

The switch on the upper left controls the rail voltages, if you look at the side of the building in the logo, you'll see the settings; +-8V, 5V, and 3.3V. If you set it to +-8V, the top positive rail will be ~+8V and the bottom positive rail will be ~-8V. Otherwise, they will both be the same, either 5V or 3.3V. The negative rails are permanently tied to Ground.

 

If you don't love it for whatever reason, I accept returns indefinitely, even if you got a kit and built it yourself, or sawed it in half and lit both halves on fire. Just send it back and I'll issue a full refund.


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  • 5 stars: 7 (88%)
  • 4 stars: 1 (13%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
L
LUCIEN GISCLONG

The best breadboard I ever seen. May be the next one will be also the best.
Very nice and smart designer. it is a real pleasure to get and use one of his devices.

M
Mirvin
Great device

This is a very clever idea. Thos was delivered very quickly. I have never exierienced open a package like this was art work. The product is very well made. Worth every penny!

[Imported from Tindie]

V
Virginia
Very useful tool for people with learning/attention issues

I have dyslexia and all kinds of learning and attention issues, when I saw the Jumperless for first time I thought that it may be useful for a person like me, and I wasn't wrong. l got mine in my mail a few days ago and I still can't believe how much I am progressing in my projects since then. Is amazing how much you can improve your knowledge when you don't have to worry about a jumper cable connected in the wrong place, now I can focus on what is really important and not waste my time trying to unravel jumper cables that goes who knows where. The board is also a beautiful piece of art, is inspiring, really fun to play with and easy to set up. It has a nice community behind and its creator is there to help in case there is any kind of issues. I am really happy with the purchase. Thanks.

[Imported from Tindie]

R
Robert
A brilliant idea, beautifully made

The Jumperless is such a cool idea and a tonne of fun to play around with. I bought one because I'm learning electronics and have been using it for fast experimentation with circuits and components. There have been a few software glitches but overall it works very well. The love that Kevin has put into this product is very clear... even the packaging is beautiful and has a wonderful personal touch. Shipping to Australia was incredibly fast. The hardware and construction of the Jumperless is of a very high quality. The software supporting the device is still a work in progress but Kevin is very responsive and helpful when there are issues. There are several other people working on interesting projects to unlock the capabilities of the Jumperless. It's worth joining the discord to follow what's going on and get inspiration.

[Imported from Tindie]

A
Adam
Product of EE skill, passion, & attention to detail

Everything about this product from the circuit design, PCB layout, assembly, firmware, instructions, direct support and communication, even the packaging, clearly reflect the level of skill, passion, care, and attention to detail that went into this. Thanks!

[Imported from Tindie]

F
Filippus
Wonderfull board

When I first saw this board on YouTube I wanted to have one, and after some time I finally got mine. Amazing little board with great possibilities. The integration with Wokwi.com is fantastic but also using it standalone is perfect. A little bit more support for standalone environments would be nice, especially with regards to adding or changing connections would be great. Being able to set connections from the Arduino Nano is really super.

[Imported from Tindie]

Thanks, I'm really glad you like it! I also wanted to let you know that Niklas Cathor is working on a really awesome CLI tool for using the Jumperless in standalone mode, jlctl. https://github.com/nilclass/jlctl That's also the backend for his (early prototype) GUI, Jumperlab. https://github.com/nilclass/jumperlab Come hang out on the forum and check out our discussion about development on these, and let us know if there's anything you'd like to see added: https://forum.jumperless.org/t/ui-idea-control-the-jumperless-from-a-webcam-feed/71/7

P
Philip
Great seller and perfect product

When I first heard about Jumperless on YouTube, I immediately looked into where I could purchase this product. I found the Tindie page and noticed that the product was sold out. Fortunately, there was an option to join a mailing list for notification when the board became available again, so I signed up. About two weeks later, I received the email notification and promptly placed my order. The order was placed on a Saturday, and by the following Monday, it had already been shipped. Two days later, on Wednesday, it finally arrived. Since I ordered the kit, I had to solder a few parts myself before testing the board. Unfortunately, I noticed that some of the LEDs were not functioning. After a brief troubleshooting session, I identified a faulty LED and replaced it. Everything worked after that, but the board became quite warm. I contacted the seller on Tindie directly to inquire if this was normal. He informed me that the heating was not normal. We embarked on a joint troubleshooting process, which lasted about two days, with the seller providing continuous support. During this time, we also discovered a firmware bug, which the seller promptly fixed. Despite our efforts, after various attempts at repair, the board was more damaged than before and ceased to function. However, the seller then sent me a brand-new, pre-soldered board at absolutely no cost. It arrived in Austria just two days later. I extensively tested this new board and am thoroughly impressed. It's a fantastic product, and replacing a breadboard with it is incredibly enjoyable. The seller is an extremely fantastic, honest, and helpful person. I can confirm what he wrote in the product description—if you ask him nicely, you can get almost anything from him, including spare parts, which were included for free in my first order. All in all, I highly recommend Jumperless to any tech and electronics enthusiast. It also makes for an excellent gift! Best wishes from Austria, Philip. Oh and by the way, there's a Jumperless discord. I can highly recommend to join there if you have any questions :)

[Imported from Tindie]

A
Adam
Crazy impressive

Super impressed with all the documentation, how easy it is to use and the care that went into everything from the packaging, extra included parts and the board itself. As someone who loves to tinker with electronics projects, I'm super excited to start using it more and more, and can't wait to see what else is next.

[Imported from Tindie]

Ah, thank you Adam! I'm really glad you like it. If you want to see what other people are doing with theirs or get help with any issues you run into, there's now a Jumperless Forum you can check out too. https://forum.jumperless.org/

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