I2C Based Display and Menu

I’ll be using a microchip GPIO port expander to enable a simple LCD display and 5 button menu control.

Dec 21, 2021

• 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???

Jan 4, 2022

• Pilot LCD PCB (engineering build) expected to be completed Jan 6, 2022

• Need to determine push button switches (or capacitive)