Showing posts with label automatic. Show all posts
Showing posts with label automatic. Show all posts
Saturday, August 3, 2013
Tuesday, July 30, 2013
soundTrigger rising
Playing with an electret microphone and a simple circuit.
A Mega328 samples the noise generated by the circuit and triggers a camera on the output via an opto-isolator.
Performance looks promising. Measuring a triggering delay of 35uS (microseconds).
Arduino sketch to follow...
A Mega328 samples the noise generated by the circuit and triggers a camera on the output via an opto-isolator.
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| Schematic in Eagle |
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| Bread boarded Prototype |
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| Measuring I/O performance |
Arduino sketch to follow...
Sunday, July 14, 2013
Version 3 - New Design
Hotshoe mounted
Built-in sensor
Coincell battery operation
Single LED feedback
Automatic setting & operation
35mm x 25mm x 15mm volume to work within.
Shown is the enclosure mounted on 7D.
Stacked PCBs. One uC PCB and one I/O PCB with a board interconnect.
Built-in sensor
Coincell battery operation
Single LED feedback
Automatic setting & operation
35mm x 25mm x 15mm volume to work within.
Shown is the enclosure mounted on 7D.
Stacked PCBs. One uC PCB and one I/O PCB with a board interconnect.
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