Quantcast
Channel: demonstrations – Dangerous Prototypes
Browsing latest articles
Browse All 14 View Live

FireHero – Arduino and guitar play with fire

Chris Marion has developed an impressive and dangerous project: FireHero. It uses a complex propane system and some electric valves coupled to an Arduino controller that hooks directly into a “guitar”...

View Article



ATMega328 RC vs quartz oscillator comparison

Kenneth compares the RC oscillator found on the ATMeg328 against an external quartz crystal. As expected there is a huge difference in precision and stability between the two. This really demonstrates...

View Article

Dongle Shootout: Funcube vs RTL SDR

Kanal von MegaOscarVideos from Germany presents a two-part video comparision of the Funcube dongle and a RTL-SDR DVB-T dongle, in this case a Hama Nano version. The two devices are connected to the...

View Article

Image may be NSFW.
Clik here to view.

Adaptive brightness control for seven segment LED displays

Raj made a temperature and relative humidity meter to demonstrate adaptive brightness control on a seven segment LCD. The system uses a LDR light sensor in a closed loop to continuously adjust the...

View Article

Jeri’s one-bit ADC

One-bit ADC? Using a single flip-flop Jeri Ellsworth explains the principle behind ADC. This represents a simplified version of Delta-Sigma modulation.

View Article


Image may be NSFW.
Clik here to view.

Testing the new reduced-sized ICSP connector

This week we received a batch of PCBs and amongst them was the latest revision of our USB TFT breakoutboard. This board is the first board that features a new ICSP footprint, which occupies less space...

View Article

DEFCON 20: Hacking Measured Boot and UEFI

UEFI secure booting has been on the minds of many hackers and open sources advocates. Some believe that it will lock out certain operating systems in favor of vendor’s proprietary systems. (There have...

View Article

Image may be NSFW.
Clik here to view.

MiniBasic on STM8

Joaquim reports, “Since I have the STM8S-Discovery I wanted to make a simple version of a BASIC interpreter for it. Had initially thought about converting BASIC to run on the ZX80 STM8S but...

View Article


Tutorial: power line communications

Andrianakis Haris produced this detailed article while completing a thesis toward a B.Sc in Department of Electronic Computer Systems Engineer at Technological Education Institute of Piraeus, Greece....

View Article


Photodiode amplifier design

Craig writes, “I recently designed an infrared sensor board (dubbed “IRis”) for my friend’s Defcon talk. This video walks through the circuit design of the photodiode amplifier, and discusses some of...

View Article
Browsing latest articles
Browse All 14 View Live




Latest Images