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HI Im trying to set up a simple data logger using 08m2 and DS18b20 set up like this https://picasaweb.google.com/113722269455296509901/InputCircuits#5135515315717431986 Using the code below sends the serial data(temp) back to programming editor ok but when I connect thru parallax to excel I...

Hi all I cant seem to establish which hall effect switch(not analogue sensor) is normally on. I bought some OH3144E Hall Effect switches but it turns out that they are normally off. Im building an 08m2 timer and have been using reed switches but want to try a switch. I have tried the analogue...

Hi I have a student project at year 7 making the same knock box discussed on the forum, also on instructables, but using 4.5v instead of 6v. A piezo responds to knocking, stores the count and the duration between, then controls a small motor with a weight to repeat the pattern. It functions...

Hi After several attempts and lots of guidance thru the forum I have an ongoing issue with timer for my kontiki(baitlauncer torpedo)resetting. It works fine until its under load in the water then cuts out randomly. To test I fitted and independent 3v CR2032 button cell to the timer side(theres...

Hi I have a timer for the kontiki using 18m2, and two reed switches, built on a kiwipatch board. The timer activates an auto relay.One of the reeds is solely to interrupt at at any time, the other reed moves through three different timer settings, activating when the magnet is removed.. It is...

Hi I have set up 08m2 as a timer for the baitlauncher...works fine,magnet over the hall effect moves thru 3 stages and sets the timer at that stage when I remove the magnet..that bits works.. but I have a reed switch to interrupt so I can stop the thing if I need to ..but i cant interrupt...

Hi I have a kontiki (baitlauncher) timer,using a hall effect sensor. Its on youtube here http://www.youtube.com/watch?v=cu5nI02QUBU I have the code OK for read adc, and switching the relay ok. But I cant figure out how to use " count" for an analogue input. Nor how to interrupt using another...