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by edmundhei
Tue Nov 14, 2017 2:29 pm
Forum: Troubleshooting
Topic: hd44780 16x2 lcd not working in any language
Replies: 12
Views: 2278

Re: hd44780 16x2 lcd not working in any language

You still look to have a problem, have you tried adjusting the contrast to see if your display is actually working correctly. so without any program running on the pi communicating to the display. try adjusting the contrast (RV1)so you get a display like this https://i.imgur.com/PjbHCGFm.jpg this i...
by edmundhei
Tue Nov 14, 2017 1:31 pm
Forum: Troubleshooting
Topic: hd44780 16x2 lcd not working in any language
Replies: 12
Views: 2278

Re: hd44780 16x2 lcd not working in any language

You need to wire the following Broadcom numbered pins LCD_RS = 13 LCD_E = 16 LCD_D4 = 19 LCD_D5 = 20 LCD_D6 = 21 LCD_D7 = 26 BACK_LIGHT = 18 SW1 = 5 SW2 = 6 SW3 = 12 SW4 = 25 Then code from the website you linked should work. update: I am getting something now, but the white blocks won't go away. I...
by edmundhei
Tue Nov 14, 2017 12:15 pm
Forum: Troubleshooting
Topic: hd44780 16x2 lcd not working in any language
Replies: 12
Views: 2278

Re: hd44780 16x2 lcd not working in any language

A corrupted display like that often means you have an incorrect connection and the wrong data is being applied to the data pins. looking at your image it does not look like a bare LCD display board it looks to be mounted on another PCB , so were did you get the board ? it might help if you could po...
by edmundhei
Tue Nov 14, 2017 11:09 am
Forum: Troubleshooting
Topic: hd44780 16x2 lcd not working in any language
Replies: 12
Views: 2278

Re: hd44780 16x2 lcd not working in any language

DougieLawson wrote:
Tue Nov 14, 2017 5:03 am
Have you grounded the R/W pin?
Yes I have
by edmundhei
Tue Nov 14, 2017 3:00 am
Forum: Troubleshooting
Topic: hd44780 16x2 lcd not working in any language
Replies: 12
Views: 2278

Re: hd44780 16x2 lcd not working in any language

DougieLawson wrote:
Tue Nov 14, 2017 1:39 am
Watch this: https://www.youtube.com/watch?v=cVdSc8VYVBM and follow the clear instructions.
I just try it and it didn't work. The lcd is still stuck with the image above.
by edmundhei
Tue Nov 14, 2017 12:17 am
Forum: Troubleshooting
Topic: hd44780 16x2 lcd not working in any language
Replies: 12
Views: 2278

hd44780 16x2 lcd not working in any language

My hd44780 lcd will not work with any language, I tired python and c and it will just not work. I have double check that my wiring is correct. No matter what I do the lcd will only display this. https://i.imgur.com/h2b76kE.jpg Here is the code I am using #!/usr/bin/env python #-*- coding:utf-8 -*- #...
by edmundhei
Sun Nov 05, 2017 2:16 pm
Forum: Troubleshooting
Topic: dht11 sensor work with c but not python
Replies: 2
Views: 1114

dht11 sensor work with c but not python

I used this c code to get data from the dht11 sensor. Although some data were not good but I still be able to get data. But with python all I get is ERR_Range. Why is that? C code /* * dht11.c: * Simple test program to test the wiringPi functions * DHT11 test */ #include <wiringPi.h> #include <stdi...
by edmundhei
Sun Jun 12, 2016 9:22 pm
Forum: Media centres
Topic: Raspberry Pi 2 with LCD HD 44780 in OSMC
Replies: 3
Views: 1037

Re: Raspberry Pi 2 with LCD HD 44780 in OSMC

I got a instruction sheet from the lcd seller saying that The LCD uses the following connections:- D4 GPIO19 D5 GPIO20 D6 GPIO21 D7 GPIO26 RS GPIO13 E GPIO16 therefore I change the LCDd.conf Hitachi HD44780 driver section from this ## Hitachi HD44780 driver ## [hd44780] ConnectionType=raspberrypi D7...
by edmundhei
Sun Jun 12, 2016 8:05 pm
Forum: Media centres
Topic: Raspberry Pi 2 with LCD HD 44780 in OSMC
Replies: 3
Views: 1037

Raspberry Pi 2 with LCD HD 44780 in OSMC

Hi I am trying to get my LCD HD 44780 work with OSMC in my raspberry Pi 2. I am not getting any luck. I followed the guide below step by step but nothing happend. All I see is white blocks only. Any suggestion why I can't get it to work? To fit my LCD, I changed the gpio pin connectors to my own in ...
by edmundhei
Wed Feb 10, 2016 11:06 pm
Forum: Troubleshooting
Topic: Edimax EW-7811UTC WIFIAC NOT WORKING
Replies: 102
Views: 23046

Edimax EW-7811UTC WIFIAC NOT WORKING

I tired these method but it didn't work https://www.raspberrypi.org/forums/viewtopic.php?p=514365#p514365 https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=117596 the WiFi adapter is being pick up while i run lsusb command http://i.imgur.com/T7veOOO.png but when i use lsmod, i can't see the dr...

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