I've got a Hanna nitrite checker that I very rarely use anymore, so I'm thinking about sacrificing it for learning purposes.
I tried getting it open, but it's looking like I'll have to permanently destroy the shell to get into it.
I thought it was odd that there's an 8 pin connector on the base when at first glance it looks like the base cap is simply bringing positive from the battery into the unit. I probed each of the slots in the base cap to the positive battery tab and only get continuity between that tab and a single slot.
What are the other 7 pins for? I'm wondering if they perhaps expose serial communications for programming the firmware, factory calibration, etc. Maybe 1-2 of the pins expose the button to automation for calibration. Considering how hard, if not impossible it is to remove it from the shell.
So, before I destroy this thing, has anyone already dug into this?
I tried getting it open, but it's looking like I'll have to permanently destroy the shell to get into it.
I thought it was odd that there's an 8 pin connector on the base when at first glance it looks like the base cap is simply bringing positive from the battery into the unit. I probed each of the slots in the base cap to the positive battery tab and only get continuity between that tab and a single slot.
What are the other 7 pins for? I'm wondering if they perhaps expose serial communications for programming the firmware, factory calibration, etc. Maybe 1-2 of the pins expose the button to automation for calibration. Considering how hard, if not impossible it is to remove it from the shell.
So, before I destroy this thing, has anyone already dug into this?