44matrix

> Hi, I built one of these monitors a couple of years ago and it worked fine with my UC3000 batteries as described in the original design using the RJ11...

Don't use that - When I used that it did not work! Only worked with the Sparkfun chip. Not sure why. NS Get Outlook for Android ________________________________ From: Daniel Young...

This thing is simple - if you get Heat, then you have some wiring issue. I used cheap max3232 chip and did not work until I used the level shifter...

Hi All, This worked fine for me and I used original chip SparkFun MAX3232 (could not solder the cheapo little Ebay Max3232 chip properly - so I gave up as...