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by lacoursj
Mon Feb 24, 2014 9:42 pm
Forum: Automation, sensing and robotics
Topic: 24-bit 16Channel ADC with 16 digital I/O expansion PCB
Replies: 24
Views: 15618

Re: 24-bit 16Channel ADC with 16 digital I/O expansion PCB

Howdy, My project will need 96 ADC inputs, though I don't need nearly the resolution you are achieving. I will have a matrix of hall effect sensors that I want to be able to poll for the existence of a magnetic field of varying intensity. I'll need to be able to distinguish between 32 different fixe...
by lacoursj
Fri Oct 19, 2012 7:52 pm
Forum: Graphics, sound and multimedia
Topic: Pi as a video doorbell
Replies: 5
Views: 3448

Pi as a video doorbell

Half-baked design for a Pi based video doorbell: * Doorbell on the outside of the house wired directly to the GPIO pins. * USB video camera powered by the Pi's USB port * USB wifi to connect to my network * Pi in case next to the door (basically immediately opposite the doorbell) with a power brick ...

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