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Hello,
The panel is taken from broken inkjet printer EPSON b310n. There's some numbers on the back of the LCD: LMP162C84-TR-T DS4B5, no info available online for. Only the LCD pins are unknown. The rest are some leds and switches.
13 - ?
12 - GND
11 - ?
10 - ?
9 - ?
8 - ?
7 - ...
As someone in another forum said PROG pin voltage drops according to current flow to battery. I'll try to understand the datasheet for LTC4054 better. This must be much easier to monitor.
Hi, friends.
I need advise. I want to know if I'm missing something in my project. It will be a Li-Ion charger for four cells separately, controlled from 4x LTC4054-4.2V. I have doubts about measuring battery voltage while charging. Here is the simple schematic. Don't mind atmega connections...
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