Electronics behind the homebrew TSA style scanner

Here Jeri Ellsworth concludes her presentations on a homebrew TSA type body scanner by focusing on the components and coding. An FPGA is used for processing of the video signal as an alternative to a PC. The use of a “virtual ground” is an interesting aspect of the signal amp circuit.

DIY Squishy dough for simple circuits

Here’s a novel way to connect simple circuits. By mixing up your own conductive and non-conductive play doughs you can connect components without wires. Adds a new dimension to the term “wireless”! Just don’t think it would be a good idea to go through airport security with a doughy substance with components and flashing LEDs […]