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Recent content by roadster

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    Anyone with LED full color video screen experience

    Techie What size displays do you intend to build ? What is your end market for them ? Will they be used indoors & outdoors ? :twisted:
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    Anyone with LED full color video screen experience

    Techie. The driver chip I used was Texas TLC5911 look at the data sheet for this device it will help you to understand better. We drive at upto 80mA because the LED's are driver with pwm so you have to have more current. Regarding dot correction and white balance I have used Toyoda Gosie LED's...
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    Anyone with LED full color video screen experience

    There is lots of ways to do this but I will discribe what I have Done. First think of the display like like this, A master controller at the front with a video source of what you want to display. Second the display itself effectivly made up of lots of small areas each one with its own...
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    Looking for information on color LED Drive IC

    Texas make several driver IC. :roll:
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    Anyone with LED full color video screen experience

    LED Display Design I Design LED Full Colour Display Board. There is a driver chip from Texas wich has programable constant current sink, used with the brightness clock registers will control intensity of LED. Also for display matching there is LED segment register for individual LED element...
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    Ultrasonic Echo Ranging Sonar

    ultrasonic echo Has anyone designed or know about Ultrasonic Sonar echo ranging I need to cover a distance from 1M to 12M this is for a collision avoidance type application. Any help or advice would be greatfully accepted or if anyone knows of another technology that would serve this purpose...
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    PC PS2 Keyboard Bus Arbitration

    keyboard bus I have an application where I have a point to point link with a PC at one end and Keyboard at the other. In the middle I have for arguments sake 2 black boxes they have bidirectional capabillites but no inteligence ie no micro. Does anyone know how to perform PS2 bus arbitration...
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    Simple amp with volume control

    Does anyone know how to make a simple 2W ish amplifier circuit that can have a volume control that is electronic say controlled from a few I/O lines or serial lines. My application is an audio output from a TV tuner that I want to amplify and control via a CPU/Microcontroller. :?:

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