(Gone)Free (just pay shipping in the US) - four sets of boards from CO detectors

[reagle]

These things have a 7 year timer built-in so when it expires they beep and display "END" on the screen.
So they are not really usable as CO sensors, but I figured somebody may want to play with them or use for parts. Free, just pay shipping. (USPS priority or first class)

[SeanB]

Pop them in the post to Dave for a quick teardown. Who knows, he might get to them before the end of the decade at his current rate

[reagle]

Nah, I don't think they are worth his time

[thm_w]

Cool those look like TGS5042

http://www.figarosensor.com/feature/tgs5042_tgs5342.html
http://www.figarosensor.com/products/5042pdf.pdf

Its about $30 new each. Lifespan is 10 years so they should still work for playing around.

[james_s]

I had a very similar detector, the EOL timer expired long before it should have, due apparently to noise on the power line. I ended up finding another identical unit that was new, dumped the EEPROM from the PIC and loaded it onto my old one and it revived it, I now use the old one as a backup downstairs. I was surprised the firmware was not protected.

[reagle]

These were exactly 7 years from date of activation. So I guess they have a few more years to play with.

[reagle]

Still available

[SeanB]

So, how much to ZA then?

[reagle]

USPS first class is around $23
If interested, PM me address details and I'll get you the exact number.

[reagle]

bump

[reagle]

Pending