COUNT ACCUMULATOR FOR RADIATION LEVELS

By ofojf

This hack was put together by reader [Forrest Cook]. He was wondering if there were any radioactive materials in his rock collection. This is an add-on box for a 60s era Victoreen CDV700 Geiger counter. vintage gieger counters don’t actually count; they use an analog meter with an integrator circuit to do short term averages.…

LONG distance PS3 CONTROLLER

By ofojf

Sony’s DualShock 3 controller can be seen in a number of jobs right here on Hackaday. There’s a reason for this: it’s simple to sniff the Bluetooth signals coming out of this controller as well as make any type of electronics job do your remote manage bidding. Bluetooth has a relatively restricted range, though, so…

HACKADAY LINKS: may 21, 2017

By ofojf

It’s time to talk about something of ultimate significance to all Hackaday readers. The very first trailer for the new star trip series is out. Some preliminary thoughts: the production values are with the roof, as well as a few of this was filmed in Jordan (thank the king for that). The writers have thrown…

HACKADAY LINKS: SUNDAY, JULY 14TH, 2013

By ofojf

wanting to repair work his much-used NES controllers [Michael Moffitt] sourced a replacement for the rubber button pads. They didn’t work all that well however he fixed that by utilizing angle clippers on the part that contacts the PCB traces. Here’s a neat Claw game job show-and-tell video. [Thanks David] We already understand that [Bunnie] is…

REPAIRING A THERMAL IMAGING video camera

By ofojf

[Mike] got his hands on this thermal imaging video camera which is developed for utilize by Firefighters. As he’s demonstrating in the picture above, it clips to a helmet as well as has a screen what will let rescuers see with heavy smoke. however this isn’t working best so he cracked it open as well…

OPENSTF DOCK ready TO farm CLICKS

By ofojf

Deep in the heart of a Chinese click farm — and probably used by the company your company hired to build an ‘app’ — is a magical device. call it a Beowulf cluster of Phones. call it the farm. By any name, it’s a whole bunch of smartphones, smart watches, tablets, and other smart things…

1964 300BAUD MODEM SURFS THE web

By ofojf

[phreakmonkey] got his hands on a great piece of old tech. It’s a 1964 Livermore data Systems model A Acoustic Coupler Modem. He recieved it in 1989 and recently made a decision to see if it would actually work. It took some digging to find a proper D25 adapter and even then the original serial…

OVERCLOCKING YOUR BITCOIN MINER

By ofojf

The name of the game in mining Bitcoins isn’t CPUs, GPUs, or even FPGAs. Now, hardcore miners are moving on to custom ASIC chips like the Block Erupter, For around $100 USD, you as well can mine Bitcoins at 300 MH/s with 2.5 Watts of power as well as a single USB port. This speed isn’t…

ARCHAEOPTERYX: A LARGE, colorful MIDI CONTROLLER

By ofojf

This is [Robert Jarvis’] new MIDI controller which he has christened the Archaeopteryx. It makes its home (quite nicely might we add) in a discarded wooden cutlery case. This offers a strong and stable base for the controls while keeping the electrical connections close at hand for any rewiring or repair work. The interface is…

TOILET-TRAINING COWS IS NO BULL

By ofojf

Human activity may be the main cause of climate change, but all these cows milling and mooing about don’t help, either. everyone knows that cows produce methane-laden flatulence, but there’s another problem — their urine contains ammonia. The nitrogen leeches into the soil and turns into nitrous oxide, which is no laughing matter. So what’s…