HDSP-5503 DATASHEET PDF

See Intensity and Color. Selected Displays Data Sheet Common Cathode Right Hand Decimal. B. H Please refer to the HDSP-H10X/K12X AlGaAs and HDSPX HER data sheet for low. HDSP datasheet, HDSP pdf, HDSP data sheet, datasheet, data sheet, pdf, Agilent (Hewlett-Packard), mm ( inch) Seven Segment. Buy BROADCOM LIMITED HDSP online at Newark element Buy your HDSP Technical Datasheet: HDSP Datasheet. See all Technical.

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HDSP Datasheet(PDF) – Agilent(Hewlett-Packard)

Wiring a seven segment display can be a bit confusing, this guide aims to be a practical guide to get you started. A seven segement display is basicly just a bunch of LED’s wired together in one easy to use package.

Some displays have a DP hhdsp-5503 point and some don’t, check the datasheet to know which one you’re getting. We start by determining if our 7 segment display component has a common cathode negative side or anode positive side.

To determine this you search the part number online and check the datasheet.

In our case a HDSP the part has a comon cathode. In most datasheets this datasneet mentioned in the text, if it isn’t you can easily determine this yourself by looking at the internal wiring schematic of the part see image below where the LED’s are shown with their polarity, the direction the schematic symbol arrow is pointing to is the cathode negative side, the other side is the anode positive side.

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We can also see in the datasheet that the common ground is located at Pin 3 and Pin 8.

A practical guide to seven segment displays | We Work We Play

These are the only 2 pins were all the LED’s are connected to. Our seven segment display will need resistors at each leg to prevent the LED’s from drawing to much current. Our datasheet tells us each LED has a maximum forward voltage of 20mA, so we use a little less to save the LED a bit, we’re picking Using Ohms Law we can easily determine the resistance needed.

We need to put a resistor at each pin of this value to prevent the LED’s from blowing up. If we would only put 1 resistor at the common pin for example the LED’s datasyeet get different amounts of current for every digit you’re trying to display, if you would only display the same digit every time you can get away by calculating the total current resistor value but because each LED in our case is individually addressable we need to put a resistor at each of them.

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To create your digits we simply map the corresponding LEDs to a byte. If we want the top LED bar of our segment darasheet light up we first find out which port number is attached, lets say the top bar is connected to the 4th pin our our shift register we can write this in byte as: Referencing a digit is as simple as: Common Cathode vs Anode We start by determining if our 7 segment display component has a common cathode negative side or anode positive side.

Determining LED resistor value Our seven segment display will need resistors at each leg to prevent the LED’s from drawing to much current. Creating your digits To create your digits we simply map the corresponding LEDs to a byte.