Recent posts

KMel Robotics flying robots play instruments

KMel Robotics flying robots that can play instruments: Just a reminder about how this all works: each one of these robots has its position measured down to the millimeter (or better) at a very high frequency using an external localization system....
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A small GPS Arduino watch/clock

Here’s Oscar Liang another Arduino GPS project, he writes: Garlow stands for GPS Arduino Rechargeable Logger OLED Watch. The device gives GPS information which is logged on SD card and shown on a OLED display. It can be carried as a watch...
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A simple posture sensor

Here’s a simple cure for your posture and the back pain blues, a posture sensor by Wingman: The simplest distance sensors are ultrasonic or infrared sensors. I went with a SR-HC04 because it is cheap and sufficiently precise. There are no...
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Hacker Camp Shenzhen Day 1: Surviving Shenzhen, Chinese Lesson, Market

By ian Ian @ Dangerous Prototypes discusses survival in Shenzhen and Huaqiangbei Electronics Market etiquette, Jin @ FlyLin gives a short Chinese lesson. Morning discussions from Hacker Camp Shenzhen 2014, Thursday April 3rd. Presentations,...
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Digispark Pro – tiny, Arduino ready, USB and mobile dev board

Ihsan informs us of Digitstump’s  inexpensive, tiny Arduino IDE ready, USB and mobile dev board, the Digispark Pro: Serial over USB debugging, USB programmable, 14 i/o, SPI, I2C, UART, USB Device Emulation, Mobile Development Ready, Optional...
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Proto I/Os Arduino

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...
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The final key – Hardware password manager

The final key – Hardware password manager by 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...
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Cleanly de-soldering a pin header

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...
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Hacker Camp Shenzhen Day 3: Big Hacker Shaokao (BBQ)

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 Science museum metro stop,...
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Hacker Camp Shenzhen Day 3: Office Hunting, Labor Supply, Starting a Business

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. Read more