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by podman99
Tue Feb 11, 2014 10:42 pm
Forum: General discussion
Topic: LCD Garbled ness :(
Replies: 11
Views: 2517

Re: LCD Garbled ness :(

I shall have a test of this tomorrow and let you know. :) thanks
by podman99
Tue Feb 11, 2014 8:56 pm
Forum: General discussion
Topic: LCD Garbled ness :(
Replies: 11
Views: 2517

Re: LCD Garbled ness :(

Any chance you can share your init script please? So your saying with wiring on OLED as 4bit. Init script set to 8bit then modify down to 4bit and it works ? I imagine it's something in the HD44780 chip which doesn't reset usually but does on an 8bit/4bit switch... As long as I understand your solut...
by podman99
Thu Jan 30, 2014 12:03 pm
Forum: General discussion
Topic: LCD Garbled ness :(
Replies: 11
Views: 2517

Re: LCD Garbled ness :(

Thanks mahjongg,

So by slightly simple diode like a 1N4148 in the 5v0 power line should reduce the displays voltage usage, and therefore expect lower power on the 3v3 high commands?

Would a small resistor not do the same thing?

Thanks
by podman99
Thu Jan 30, 2014 10:56 am
Forum: General discussion
Topic: OLED 16x2 HD44780 woes
Replies: 27
Views: 14311

Re: OLED 16x2 HD44780 woes

Experiencing very similar issues http://www.raspberrypi.org/phpBB3/viewt ... 88#p496788 However, I have more wiring as I have not disconnected backlight (15/16).

I will follow and keep updated if I get anything back.
by podman99
Thu Jan 30, 2014 10:55 am
Forum: General discussion
Topic: LCD Garbled ness :(
Replies: 11
Views: 2517

Re: LCD Garbled ness :(

Very Similar to http://www.raspberrypi.org/phpBB3/viewt ... 63&t=68055 however different coding, and I have wired up more pins.
by podman99
Thu Jan 30, 2014 10:13 am
Forum: General discussion
Topic: LCD Garbled ness :(
Replies: 11
Views: 2517

LCD Garbled ness :(

Hi All, On occasion when starting my Pi with my LCD connected via breadboard the LCD (which is not really an LCD its an OLED, but connects the same way) displays garbled rubbish on the display. By garbled I mean random pixels to Full character spaces being filled to some legible characters. Not a bl...
by podman99
Thu Jan 30, 2014 10:05 am
Forum: General discussion
Topic: Power Stabilisation
Replies: 0
Views: 380

Power Stabilisation

Hi All, I use a Pi with an LCD Screen connected to LCDProc http://lcdproc.org (Great service with a huge amount of uses), and a Pi Supply https://www.modmypi.com/pi-supply?filter_name=pi%20supply . My Powersupply is a 2Amp UK Mains http://www.maplin.co.uk/p/maplin-twin-21a-compact-usb-power-supply-n...
by podman99
Wed Jan 15, 2014 11:11 am
Forum: Beginners
Topic: Displaytech 162D
Replies: 3
Views: 1841

Re: Displaytech 162D

Thanks for that :)

Is there any advice you can provide regarding pins to PI from LCD panel?
by podman99
Mon Jan 13, 2014 9:17 am
Forum: Beginners
Topic: Displaytech 162D
Replies: 3
Views: 1841

Displaytech 162D

Hi, Being a noob at hardware development thourght it best to ask before i tried to blow my self up (or more likley my pi), I have a displaytech 162D (Datasheet URL) https://www.displaytech-us.com/sites/default/files/display-data-sheet/162D%20series-v31.pdf However I want to know if I can just plug t...

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