HD 44780 wiring detail with Pi -3B+ or Pi Zero ?

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k6xox
Posts: 2
Joined: Wed Mar 27, 2019 11:44 am

HD 44780 wiring detail with Pi -3B+ or Pi Zero ?

Post by k6xox »

Anyone please give me the detail of wiring MMDVM+PI-3B board to the LCD HD44780 as I found on the forum, I did try wiring them as posted but it seems nothing worked.

http://ik1whn.com/mmdvm/MmdvmForDummies-Display.pdf
ct1fhw
Posts: 17
Joined: Thu May 17, 2018 6:49 pm

Re: HD 44780 wiring detail with Pi -3B+ or Pi Zero ?

Post by ct1fhw »

Hi, I have , some how, the same issue!!
I have wired the LCD display according to the information retried from this site:

https://github.com/g4klx/MMDVMHost/blob ... ME.HD44780

I'm running a new clean installation of Pi-Star on a Raspberry Pi2B+ with DVmega single band (UHF) pi-hat.
After I had done all the updates/upgrades, the hotspot it running 100%.

I would like to add one LCD 16X2, 20X4 or 40X2. I have some of those in stock, I would like to give the some use!!

Now, In Ssh I can't compile the "programe"

make clean Output
pi-star@pi-star(ro):~$ rpi-rw
pi-star@pi-star(rw):~$ sudo make clean
make: *** No rule to make target 'clean'. Stop.
pi-star@pi-star(rw):~$


make -f Makefile.Pi.HD44780 output

pi-star@pi-star(rw):~$ sudo make -f Makefile.Pi.HD44780
make: Makefile.Pi.HD44780: No such file or directory
make: *** No rule to make target 'Makefile.Pi.HD44780'. Stop.
pi-star@pi-star(rw):~$

additional info:

pi-star@pi-star(rw):~$ gpio -v
gpio version: 2.52
Copyright (c) 2012-2018 Gordon Henderson
This is free software with ABSOLUTELY NO WARRANTY.
For details type: gpio -warranty

Raspberry Pi Details:
Type: Pi 2, Revision: 01, Memory: 1024MB, Maker: Sony
* Device tree is enabled.
*--> Raspberry Pi 2 Model B Rev 1.1
* This Raspberry Pi supports user-level GPIO access.
pi-star@pi-star(rw):~$


any help is appreciated!!


Best regard
Jose Alves
CT1FHW
ct1fhw
Posts: 17
Joined: Thu May 17, 2018 6:49 pm

Re: HD 44780 wiring detail with Pi -3B+ or Pi Zero ?

Post by ct1fhw »

Hi again,

yes, I have notice to do the make, I need to go to the MMDVM directory!!
But still no luck!!
How can I check the gpio is corrected config, or how do I know the pins used on my pi-star?
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