OverviewCurrently there are over 422 million people worldwide suffering from diabetes. 28.5% of them suffer from Diabetic Retinopathy(1) . 50% of diabetics are unaware about the risk of losing their vision(2). The number of cases of diabetic retinopathy...
The finished table.Larger image(The cat is for scale, I didn't have any bananas)Probably the first thing you notice is that there are two joysticks on each side. Some older and cherished games like Pacman came out with a 4-way joystick and the code was...
Hunting Primes on Embedded SystemsOne way of finding prime numbers is to use the Sieve of Eratosthenes. This starts with a list of all numbers 2-n. You find the first number in the list, which is prime, then remove all of its multiples from the...
Overview: This is what this UPS must do: Communicate to the Pi the battery chemistry used and the charging status (Charging or Fault). This is a must for this application, where multiple chemistries are allowed.Provide power to the output ( the Pi power...
Why use Vibhear bracelet? Our little friend Kosta (6 years old) wears cochlear implant. He was born with almost complete hearing loss and ability to hear only very strong sounds. Cochlear implant makes possible for him to hear even weak sounds and...
After receiving the card I took a look at the website and saw a firmware update utility (FAFWUpdateTool_v10004) and from my previous research this was possibly the key to figuring out more to this device. So I installed it and read through the documentation...
HydraNFC Shield v2 is based on STMicroelectronics ST25R3916 NFC chipset which is today the most powerful and versatile NFC chipset available on the market. HydraNFC Shield v2 is for anyone interested in Learning/Developping/Debugging/Hacking/Penetration...
1.Preparing to use the device with the "built-in" Attiny 85 In case of having the device with the micro already installed and to use it with our project we will need the following: -Download the Arduino IDE: https://www.arduino.cc/en/software We download...
Since utilizing the mouse involves monotonous movements of the same small muscle groups for protracted periods of time, overusing the mouse by positioning, traveling, scrolling, and clicking can make these muscle groups tired and overworked. Hence, after...
Join us on the Hacker Channel to discuss the 2016 Hackaday Prize and Hackaday World Create Day, our first live global event on April 23rd! If you're not a member already, request to join from the Channel page. This meetup will be co-hosted by Hackaday...
We removed the screws on the back to see how hard it would be to attach solenoids to each of the hammers. As you would probably expect, there's not a lot going on in there.From here, we just did a quick and easy attachment of the solenoids to the hammer...
Since this was a quick project, I didn't spend much time designing main board and laser driver PCBs. As a result the PCBs have several bugs that I fixed in after fabrication. I haven't fixed these problems in PCB designs and I probably won't do it any...
Step 1: purchase domain name. I used Namecheap to buy onefuckingshirt.com as it holds a few other domains of mine.Step 2: Purchase hosting, I was being lazy so I immediately decided this was a good time to test out Shopify.com, for those that don't know,...
Hackaday is hosting a meetup in Vietnam and you're invited! This is a great way to meet other members of the Hackaday community from the Ho Chi MIhn City area. Hackaday writer Sean Boyce lives in HCMC, and Hackaday Editor in Chief Mike Szczys will be...
As my pint of commercial etchant reached the end of its useful life I began to wonder if I could make my own. The commercial stuff works well enough, but it costs an arm and a leg. I paid $20 for 500 ml (that's about pint for you non metric folks). Plus...