July 18th, 2009

New TV-B-Gone Case Style

TV Disabler

Have you ever found yourself in a situation where you wanted to talk about something important or just simply wanted some peace and quiet while enjoying your drink and a damn TV wouldn’t shut up? Chances are you have. But from now on, you can use this little gadget to silence those TV sets that bother you with loud, uninteresting stuff. You can carry it in your pocket and you can surely have a laugh using it.

Humorously named TV-B-Gone, this TV Disabler can make some annoying situations quite entertaining. The TV-B-Gone can turn off most of the TV sets available, while having about the same size as a universal remote control. It is a nifty little kit made by Adafruit and it is available for purchase for $19.50. It possesses an Atmel ATTINY85V-10-PU programmed microcontroller, 4 IR LEDs used as emitters and a double AAA battery holder (you can find a complete parts list in the link).

The TV Disabler must be pointed at the TV you wish to quiet down. It has a single button that must be pressed and then it starts to transmit its signal using codes that are stored in its memory for all major TV brands. It takes about 2 minutes to send all the codes, but most TV sets will turn off. The TV Disabler also has a green LED that starts glowing once the device is transmitting.

Since the original kit from Adafruit doesn’t have a case, you can make one like the one in the picture above. This project uses a modified Miniature General Purpose ABS Box 1551 Series from Maplin Electronics Ltd. You will have to make 2 holes, one for the button, and the other for the LED. Putting it all inside the box may be tricky, but once you get it right you will have the TV-B-Gone ready and waiting. And you can say goodbye to those noisy TVs disturbing you.

don’t forget to check youritronics custom version of tv-b-gone.

New TV-B-Gone Case Style: [Link]

July 25th, 2008

SIM card reader/writer

SIM card reader/writer

Adafruit Industries just announced their next kit: a SIM card reader. Using the kit, you can read or write any SIM card. You could use this for fun things like recovering deleted contacts and SMS messages. The kit looks like a very straight forward design (based on Dejan’s work); the only chip is a hex inverter and the board is powered by a regulated 9V battery.

With all through-hole components, it should be easy to assemble. You can talk to it using the board mounted serial port or connect to the extra pin header using an FTDI USB cable just like the Boarduino. The FTDI option is bus powered, so you won’t need the battery. ladyada has collected some resources in case you want to learn more about smart cards.

SIM card reader/writer: [Link][via]



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