ChedderCheeser
Senior Member
Hi guys. What is the average lifetime of an o8M? I plan to run one for a long time, and.. just want to know.
EDIT: Picaxe! Not icaxe!
EDIT: Picaxe! Not icaxe!
So I'd say more than 40 years....(if operated within all other datasheet specifications)Flash/Data EEPROM Retention: > 40 years
And leave a note for someone to get back to us in 22020 ....Report back in 2020 maybe!
I have a water level sensor that uses an 08M which has been running continuously since 10 July 2006. http://www.jecarter.us/picaxe/WaterLevel-08.htmlHi guys. What is the average lifetime of an o8M? I plan to run one for a long time, and.. just want to know.
EDIT: Picaxe! Not icaxe!
I know you mention that the Circuit diagram is a draft, but the LEDs are all reverse biased.I have a water level sensor that uses an 08M which has been running continuously since 10 July 2006. http://www.jecarter.us/picaxe/WaterLevel-08.html
It has twice prevented a basement from being flooded because of a clogged stairway drain.
John
Guess I should post the final version with the corrections...I know you mention that the Circuit diagram is a draft, but the LEDs are all reverse biased.
They've been proven to last longer that way.I know you mention that the Circuit diagram is a draft, but the LEDs are all reverse biased.
Manie does'nt (live here) use Mosfets anymore.........- if it's in one of manie's MOSFET circuits then probably about 3 seconds
Bingo! In the long run, mechanical problems are the most likely suspects for failure, as long as good design practice and good power supplies are used with the PICAXE. Oxidation and corrosion and wear of all types in all mechanical components is a bigger threat than the electronic failure of a PICAXE.The 08M I would not be worrying about.
Far more likely to fail, in my experience, are all the things that connect the chip to the outside world, IC sockets, connectors, switches, wires, solder joints, PCBs etc.
Bravo John! Well said, but then they don't Emit much either, ie the E of LED.They've been proven to last longer that way.
Dippy;175284Papa; no need said:Not my drain. It's the drain for the outside stairway to the basement at my daughter's house. It's possible to have enough leaf-fall in one day to block the drain, thus the alarm. It's saved the basement from flooding at least twice since it was installed, so well worth the time and small cost.
John