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About nick12ab

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About nick12ab
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Recent Entries

Kemo Electronic S043 LCD/LED Displays Lucky Bags - Blog 3 - HD44780-compatible LCDs

by nick12ab on 11-03-2016 at 21:04
START HERE: INDEX >> http://www.picaxeforum.co.uk/entry.php?124

Items covered in this blog entry:
  • Varitronix 16x1 + symbols COB LCD (AMPY 2001-11)
  • '90s 16x1 COB LCD (LXC1615ETR)
  • 16x2 COG LCD (08580002-N08YBN00)
  • LCD with pins
  • 16x2 COB character LCD MD216-01 (scroll down to comments)
  • NEW! 128x64 graphic LCD WAYTON M.I.T PC-1206E2 (scroll down to comments)
  • OLED (OS96016PP08MB2B10) (scroll down to comments)
HD44780 is the de facto standard for character LCDs,

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Updated 30-10-2016 at 12:32 by nick12ab (Added displays)


Winstar OLED Brightness Control - Version 2 - now using LCD Contrast pin - AXE133

by nick12ab on 13-05-2015 at 15:30
There is now an easier way to add an adjustable brightness control (old way) to Winstar OLEDs as supplied by Rev-Ed as part of the AXE133 and AXE134. This method allows the brightness to be controlled by adjusting the voltage on pin 3 of the 14-pin connector like adjusting the contrast on HD44780-compatible LCDs, and is also compatible with the PICAXE PWM signal.

To convert an OLED for adjustable brightness, all you have to do is move the 0Ω resistor from JV to JVO on the OLED

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Updated 25-09-2015 at 18:19 by nick12ab


Interface Winstar OLEDs using the SPI interface

by nick12ab on 22-05-2014 at 18:24

Anyone who has read the datasheet for the Winstar OLEDs that Rev-Ed sell as part of the AXE133Y should have noticed a brief mention of the SPI interface and a vague description of how the interface works. However it doesn't tell you how to use the SPI interface!

Luckily, badge engineering firm Newhaven Display has found out for us! Some jumpers on the back of

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AXE133 Backlight Control

by nick12ab on 03-12-2013 at 22:26
The extra pads on the AXE133 which are provided for a backlight don't get any explanation in the AXE133 PDF, therefore a blog entry is necessary.

The AXE133 PCB has extra pads that allow a transistor to be installed in order to control the backlight on a backlit LCD if one is attached. Rev-Ed do not sell the AXE133 PCB with any backlit LCD module; only non-backlit LCDs and OLEDs are available. However it's nice that they put the pads there.

The AXE133 PCB is designed

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Kemo Electronic S043 LCD/LED Displays Lucky Bags - Blog 2 - VFD and bare glass LCDs

by nick12ab on 18-05-2013 at 22:29
START HERE: INDEX >> http://www.picaxeforum.co.uk/entry.php?124

Items that are covered in this blog entry:
  • Bare glass LCDs
  • Graphic LCDs
  • Vacuum fluorescent display
  • Circular 7-segment display
2-6 Medium size LCD that uses elastomeric connector

If you hold this LCD at the correct angle then you can just about see that there are many 7-segment digits and a few symbols too. However I couldn't get it to show on a photo. Some segments are on in the

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Updated 24-03-2016 at 17:26 by nick12ab (Added pinout for DGL-0401YG-4EH)