Displays

Tips/Techniques

LCDs

• https://www.eevblog.com/forum/projects/it-took-me-few-weeks-to-find-out-tm1637-produces-noise/msg5699397/?topicseen#msg5699397 7 segment noise. make sure there is plenty of decoupling capacitance for the current draw spikes, and that the ground is low impedance.

VFD Driver vs. Display Troubleshooting

Forums often have too many run on sentences. People don't put enough effort into writing forum posts. I know, because I have had the same problem... https://www.eevblog.com/forum/projects/vacuum-fluorescent-display-driver/msg5440709/