Photobucket is not the best solution to share images, can you upload them somwere else?
I can not see them.
Ok, i'll try to attach them.
The main changes for now are:
1. Switched to 1.8" ST7735 128x160 TFT display. It's one of those cheap displays from *bay/Chinese sellers. It can be powered with 5V, but the data lines require 3.3V signals. The usual "arduino style" approach (adding 1k resistgors in series) unfortunately ruined the SPI clock signal, so i added a small level translator built around TXS0104.
2. New GUI, work still in progress. Most likely i will redo the whole menu system and add more functions, like mentioned earlier cutoff voltage. Flash size will be the limit here.
3. Added median filters to Vin and I measurements.