Ricardo of Electropepper writes about their latest project: Now i want to show you my most recent project, an arduino shield aimed for prototyping, it has 8 LEDs, four buttons a buzzer and a temperature sensor, like everything else in my … Read more
Author Archives: DP
The final key – Hardware password manager by cyberstalker.dk The Final Key is a piece technology that solves a problem. The Final Key is a hardware password manager with encryption and focus on combining portability, compatibility security and easy of use. It … Read more
boldport has written an article describing a technique he’s used for removing the header cleanly: Know that sinking feeling after realising that you’ve soldered that 40-pin header on the wrong side of the board? I’ve come up with a technique that … Read more
By ian Time flies! No one believes this is the last day of Hacker Camp Shenzhen. There’s just one event left. A Hacker Shaokao (BBQ), and every hacker in Shenzhen is invited. Once again, we gathered at Exit C of … Read more
By ian Day 3, the final day of Hacker Camp Shenzhen. If you’re in love and you’ve decided to stay, Ian @ Dangerous Prototypes shows how to find a home and office. Presentation here.
Raj of Embedded Lab has a series of chipKIT tutorials. This 4th project of a series will show you how to build a digital light meter using the chipKIT Uno32 board and the BH1750 digital light sensor: A light meter … Read more
Charles Douvier of PNW/Electronics writes: Turns out the DAC is probably the easiest peripheral I’ve used on the PIC. It took me longer to wait for the PICKit to update from 18F configuration to 16F. BUT.. if you’re having issues.. … Read more
Every Tuesday we give away two coupons for the free PCB drawer via Twitter. This post was announced on Twitter, and in 24 hours we’ll send coupon codes to two random retweeters. Don’t forget there’s free PCBs three times a … Read more
By ian We raided the local BBQ place near the hacker camp hotels. We call it ‘South Park BBQ’ because it’s along South Park (Nanyuan) road. Bonus fact: South Park Elementary is next door! More below!
Hacker Camp Shenzhen, day 2, down to business with talks about sourcing agents, shipping, exporting, and importing. Guest speakers include Connie @ ArcBotics, Tully @ Samarai Circuits & Factory For All, and local sourcing agent Hanlai.
The $5 mouse that you just tossed in the garbage might have had some hackable life still in it. As Conor Peterson shows us most optical mice are actually quite simply in operation with most of the hard work being done by … Read more
Ray Wang writes: I just wrote a series of three posts about how I reverse engineered a few off-the-shelf wireless temperature, humidity sensors and rain gauge, and used an Arduino to listen to and decode the sensor data. The tools … Read more
Dilshan Jayakody writes: Morse View is an open source software project to convert audible Morse codes to text messages. This application is capable to convert Morse codes from wave files or from the audio line/microphone inputs. Conversion from Morse code … Read more
By ian Hacker Camp Shenzhen’s main event, the BGA reballing course, continues for a second day. At this point most people had reballed a chip, or were close to finishing. For the rest of the day out instructor, a master … Read more
By ian Hacker Camp Shenzhen’s main event is a two day soldering course at a mobile phone repair school in Huaqiangbei. They teach a technique to replace the solder balls used to connect modern BGA chips to circuits boards. Usually … Read more
We go through a lot of prototype PCBs, and end up with lots of extras that we’ll never use. Every Sunday we give away a few PCBs from one of our past or future projects, or a related prototype. Our … Read more
Enable lower cost graphics capability solution integrated to your MCU with this FT800 video controller from FTDI (app note). The FTDI FT800 video controller offers a low cost solution for embedded graphics requirements. In addition to the graphics, resistive touch … Read more
A smart gauges stepper motor driver app note from Cypress. This application note shows how to use the PSoC® Programmable System-on-Chip to drive a low-power stepper motor for smart pointer gauges. This application note demonstrates how to perform micro stepping … Read more
Here’s an application note from Maxim on triple remote temperature sensor: The MAX31730 temperature sensor monitors its own temperature and the temperatures of three external diode-connected transistors. The operating supply voltage is from 3.0V to 3.6V. Resistance cancellation compensates for high series … Read more
An app note from Microchip on Wi-Fi data logger (PDF!): Dataloggers are used in a variety of industries, some examples are: Environmental sensors Motor RPM measurements Location tags using GPS Temperature sensors Light sensors Motion sensors A data logger can be configured in … Read more