.:madworm:.'s photos with the keyword: PIR

Fresnel is everywhere

Fresnel is everywhere

.:madworm:.
28 Apr 2012 158
Added a description.
Upgrades!

Upgrades!

.:madworm:.
28 Apr 2012 136
Now it works with IR + PIR control. I had to sacrifice the onboard LED for that. Why aren't there any DIP-10 chips?
Plugged right into the ISP header.

Plugged right into the ISP header.

.:madworm:.
28 Apr 2012 150
Added a description.
And this is why...

And this is why...

.:madworm:.
28 Apr 2012 114
gloves / tweezers were invented.
Quite small PIR sensor

Quite small PIR sensor

.:madworm:.
28 Apr 2012 148
Sensitivity is not adjustable. Range is a couple of meters. It needs some external intelligence to be useful as a lamp controller (off-time hysteresis). By changing the position of a 0-Ohm resistor (from L to H) it can be adjusted to re-trigger-able mode. When using a micro this is not really necessary.
tiny PIR board

tiny PIR board

.:madworm:.
28 Apr 2012 112
It barely covers the tip of my thumb.