I’ll be using a microchip GPIO port expander to enable a simple LCD display and 5 button menu control.
Custom character creation for bar graph display understood
Basic bar graph constructed, but needs cleanup
Concerned about display responsiveness
I2C connection is great for low wire count, but refresh rate is a bit concerning. Signal strength meter may be jumpy???
Pilot LCD PCB (engineering build) expected to be completed
Need to determine push button switches (or capacitive)