lcd

lcd

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  1. _q12x_

    How to drive manually HT1621B LCD driver IC?

    Im trying to figure out how to drive (manually-bitbang) a HT1621B LCD driver IC. It is capable of driving multiplexed LCDs. They are very cheap, but only in smd form, which is a bit of a challenge to solder all its tiny 48 pins. See youtu.be/xwRXpbxjLcw - you can skip through the movie since...
  2. _q12x_

    3digit multiplexed LCD (custom) driver

    Hello ! I am building for some time a cct to drive a 3digit multiplexed LCD. (from aliexpress) From the sellers on aliexpress I managed to find a circuit diagram of the LCD. I color it myself to understand exactly how to actually drive it. After making the cct in reality, I discovered that...
  3. H

    control WS2812B_RGB lamp by TFT LCD

    Brief introduction This article documented the process of controlling the WS2812B_RGB lamp using the STONE display module. RGB lamp is a kind of lamp that we often see in our daily life. It is widely used, such as: city night scene, light show, indoor lighting, auxiliary lighting, advertising...
  4. R

    i installed Android LCD in my car dashboard. And 2 small LCD connected

    THIS IS FOR ELECTRICAL NEWS ONLY - Only companies that wish to get news out to our members can post in here. If you're a general member looking for electrical advice then please click the main HOME button in the main menu and find a suitable forum category for your question.
  5. H

    Does anyone know where the LCD backlight circuit is?

    Does anyone know where the LCD backlight circuit is?
  6. F

    electricity issue - problems with LCD monitor - input lag

    Hello, at first sorry for my english, its not too good but i think you will understand what i say.. I am writing for me and tens of people which i met on forums.. This problem killing mind, just listen please.. I am fighting for 5 years with heavy input lag in all games,desktop.. Symptoms...
  7. Dartlec

    Voltage tester with LCD and spring loaded sheaths

    My cheap and cheerful voltage tester packed up just before Christmas, so need to replace it (It lasted longer than the more expensive one I had before that broke at the cable joint to the second probe). As we know, GS38 tips can be a pain, so I normally keep them off so that I can actually test...
  8. J

    How can I replace LCD with RGB display?

    Hello memberrs, hope you are safe and doing good. I am looking for experts to review my question and solve. It is a humble request to all. Actually, I have built a project that displays custom pictures on LCD. The problem is, LCD is not visible in sunlight and I have found a solution to use...
  9. T

    TOSHIBA LCD TV SOUND PICTURE ALL BLACK

    As above can hear sound but the screen is all black any help
  10. K

    Wanted Fluke 83 LCD & any broken Fluke multimeters

    Hi I'm looking for an LCD screen for an early Fluke 83 but interested in any Flukes for spares or repair
  11. B

    Honeywell/ADE Optima Compact Gen4 panel - Issue with LCD RKP

    Help please from any Honeywell Alarm guru's out there - I have an installed Optima Gen4 panel (8EP396A-UK, about 18 months working no issues). To make things a little easier for access, I have just added a LCD remote keypad (8EP417A) and this has no LCD display. This is in fact the 2nd one in as...
  12. J

    What is the best was to splice electrical wire to power two components? (Arcade power supply and LCD

    Hi! I m doing my first build of an arcade machine. At the back of the arcade cabinet will be an IEC socket for mains power. Inside the machine I then need to split the electrical wires so that the one socket can power both the power supply for the console board (standard jamma power supply) and...
  13. J

    dim LCD display, can it be fixed (picture included)

    My first post, hello all from Sweden. So I'm thinking of buying a Optical Power Meter but the LCD looks dim (second hand) from what I understand it could be a problem with dirty connectors. I don't want to buy them and find out it's a bigger problem so I'm hoping you guys could point me in the...
  14. K

    Fluke 87 LCD repair

    Hey. Does anyone have a source for replacement fluke LCDs ? I have 87v here with a cracked display and I'm struggling to find a UK source for a replacement part. I've contacted fluke they've told me they won't supply a spare but will fix it if I send it to them, it's a 5 minute job to repair so...
  15. M

    Samsung lcd tv

    Evening all, would any of you kind people know what the cause would be for my samsung 40 " tv to have sound but no picture? There's nothing there, the screen is just black. It was working quite happily yesterday but i've just got in and switched it on and this has happened.
  16. Elmer BeFuddled

    LCD Display count

    When looking at the specs of various test stuff I often see as part of the features something like: Large 4000 count LCD display. I'm having a blond life. What exactly does this mean? TIA
  17. Elmer BeFuddled

    LCD display count

    When looking at the specs of various test stuff I often see as part of the features something like: Large 4000 count LCD display. I'm having a blond life. What exactly does this mean? TIA
  18. R

    How do I power a LCD backlight inverter?

    I have an inverter from a laptop LCD screen, I managed to dissasemble it without any problems and without breaking the tube light. I want to mount it on my bike (yes I'm crazy, I always was :) ) but I need to know how to power this thing on :( It has 5 inputs and only a + and - OUTPUT for the...
  19. Richard Burns

    LCD inspection camera

    I have just seen these Mini Handheld Inspection Camera With LCD Monitor Kit | Ebuyer.com advertised at ebuyer and wondered if anyone had one and knew if they were any good? they seem similar to the ones sold at Aldi in August but I was not sure of quality, although at 59.99 it can't be too...
  20. Dan

    LCD, LED or Plasma TV? - What's best?

    I'm in the market for a new TV and am baffled. I want a 55" TV and I don't know what to get, LCD, LED or Plasma. What's best? Seems Plasma are cheaper. I don't mind paying extra for a decent one though so price isn't an issue. They last me years so it needs to be a good one with crystal...

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