Matt | June 6, 2017

Perfect gift for engineers or STEM-focused kids

For Digirule - The Interactive Binary Ruler!

I bought a dozen of these as gifts and they are a huge hit. Kids love the blinking lights and learn some digital basics at the same time. The persistence of vision easter egg is cool too.

Response from bradsprojects | June 20, 2017

Glad to hear the kids are having fun with the Digirules! I've made a number of persistence of vision displays over the years and thought i'd have to include one as a little bonus in the Digirule :)

Gerard | June 4, 2017

Nice Product

For Digirule - The Interactive Binary Ruler!

The rule is very nice. The design is a good idea. I like particularily the metric scale (centimeter) with binary notation, The reason for giving the product only 3 stars is that afer 3 or 4 switch on/off the switch was broken. I understand that this kind of problem is very difficult to avoid and having to use small mechanical parts can be a chalenge. I ordered a replacement switch (50 pcs for 6.99$) and when they arrive I will fix the rule. It will stay on my desk.
Rating for Documentation and comunication is 5 stars because a rating is required, even if there is no documentation (and no need for documentation) and there was no communication.
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After receiving Brad's reply: he is of course right, the documentation is there. I just dodn't look for it. I guess, one who enjoy this kind of ruler doesn't really need a documentation, does he?
Now, concerning the replacement unit: this wasn't expected and I wouldn't have asked for it in one thousand years. Brad say " my products are a reflection of me". I would say the way you handle issues is a reflection of you. Congratulations.
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Just a last statement to finish this thread: the replacement ruler arrived today. Thank you very much Brad. I am sure you will have a big success as an entrepreneur and I wish you all the best. I hope being able to buy other awesome products from you.

Response from bradsprojects | June 4, 2017

Hi Gerard, glad you like the design of the ruler and I'm sorry to hear that your power switch broke. However you shouldn't feel the need to accept a faulty unit - I gladly replace faulty units free of charge since my products are a reflection of me. I'll get a replacement unit sent out to you today. As for documentation, there are links to the user manual, bill of materials, source code, PCB design etc. from the Digirule page - here on Tindie (these links are down the right hand side of the page). Communication is a funny rating I guess because if everything goes smoothly with the transaction, the only communication you would receive would be to say the item has been sent and provide you with the tracking number. Perhaps communication would come in to effect if you had a question about the item or perhaps to let me know your unit was faulty. If I simply did not reply or I my reply was unhelpful, you should then leave a poor star rating.

Kind regards,

-Brad

Volker | June 4, 2017

well made and fun toy.

For Digirule - The Interactive Binary Ruler!

I bought 2 digi rules one for my son (13) and one for me,. Nice toy, well designed and well made. Good to see that a PIC controller is used
a refreshing choice theses days were everything is about arduino. The ruler inspired me to make a debug ruler with logic probe , switches and leds. Thanks to the maker, Volker

Response from bradsprojects | June 20, 2017

Thanks for the review Volker,

I must admit that while I do experiment here and there with Arduino's my favourite microcontrollers are by far the PIC's! I've been using them since about 2007 and don't plan on giving them up anytime soon. It would be great to see your debug ruler, i'll have to see if it pops up on the internet sometime!

Bruce | May 26, 2017

Functional and Appealing Design

For Digirule - The Interactive Binary Ruler!

The rule construction, the gates chosen, the circuits chosen, and the function tables are well organized and also visually appealing. I teach digital electronics and this will be a great example piece for demonstration. Of course I will need to restrict its use during tests if students decide to make a purchase also. Thanks for pointing your creative talents towards such a foundational topic. Well done in all aspects!

Response from bradsprojects | June 20, 2017

Great to hear the Digirule is working out nicely for you Bruce. I teach digital electronics also and I keep a batch of Digirules at work for the very purpose of helping the students understand logic gates and flip flops etc. I don't think there is a class that goes by without someone asking "Can we use the rulers in the exam?"

Steve | April 25, 2017

Bought a bunch

For Toaster - The 3 Output USB Breadboard Power Supply

I was a Kickstarter backer of the original Toaster project, and I like to think of that as one of the smarter things I've done. The first batch were sold and reliable. The Toaster's great for powering small projects from the USB of my oscilloscope or laptop, and makes portable affordable experimenter kits a practicality.

So when I saw there was another batch coming along, I bought 20 right off the bat. I plan to use them in kits for classes to help disadvantaged kids get into computers and electronics. Shoe Brad some encouragement - the combination of creativity and the ability to deliver don't come along often enough.

Response from bradsprojects | April 25, 2017

Thanks for the kind words Steve and certainly glad the Toasters are coming in handy for you.

If you think I can help out with your work with the kids then please let me know. I've got a new Kickstarter campaign coming up for the four player game of PONG that I made called Retroball. It uses four potentiometers and a 32x32 pixel RGB LED matrix. Maybe I could send you a couple of those free of charge that you could build and then play with the kids?

Steve | April 25, 2017