Sharp Memory LCD Breakout A2

This is a simple breakout board for Sharp’s Memory LCD display family (LS013B4DN02, LS013B4DN04, LS013B7DH03, LS013B7DH06LS027B7DH01 and LS044Q7DH01). Those are the parts known at the time of the writing, though more models are coming out all the time. So far Sharp’s been keeping very consistent interface and there is a fairly high chance the board will work with all of them. In a table below is a list of displays I am aware of on the US market. Models needing 5V boost are marked accordingly.

The board brings all pins to a 0.1″ header and provides necessary caps and resistors. Revision A2 adds an optional boost converter for those wanting to run 5V display from sub 3.3V supply which is needed on color version, 2.7″ and larger screens and also some of the older ones.The footprints are there, but parts are not populated to save cost on the base version. A version with boost is now also available. This is an open design under CC BY SA license.

Schematic is here for A2, or here for A1. The board was tested using craftycoders Arduino library. Sharp application notes are here and here.

Other (untested by me) libraries I am aware of are:

These boards are available from my Tindie store. You get an assembled board and a 0.1″ header separately, so that you can either solder it in or use the connector or wires of your choice.

Top side. Boost section not populated

Bottom side. Now with labeled pins!

If using the same library, Arduino pin connections  are as follows:

Breakout pin Arduino pin Breakout Pin Arduino  Pin
1 SCLK 13 6 EXTMODE 4
2 SI 11 7 GND GND
3 SCS 12 8 VCC 5V
4 EXTCOMIN 3
5 DISP 2

For more informaton, see my previous posts: Sharp Memory LCD breakout- boards arrived and  Testing Sharp LCD breakout board

16 thoughts on “Sharp Memory LCD Breakout A2

  1. Is there a way to make one that can mount on the Launchpad board? So that it slides onto the existing header with the correct pinout?

  2. Post updated with links to all the great libraries for this display I’ve become aware of since the original date

  3. Hi, I have purchased the LCD after getting inspired by watching your videos. Now, I am trying to write a character to the LCD which isn’t going well. The clear command is working with the display turning on but I am unable to write.Any help is appreciated. Here’s my code :

    #include
    int SCS=10;
    int SI=11;
    int SCLK=13;
    int EXTCOMIN=4;

    void setup()
    {
    pinMode(SCS,OUTPUT);
    pinMode(EXTCOMIN,OUTPUT);
    pinMode(SCLK,OUTPUT);
    pinMode(SI,OUTPUT);
    digitalWrite(SCS,HIGH);
    tone(EXTCOMIN,40);
    SPI.setClockDivider(SPI_CLOCK_DIV16);
    SPI.setBitOrder(MSBFIRST);
    SPI.setDataMode(SPI_MODE0);
    SPI.begin();
    SPI.transfer(0x20);
    delay(3000);
    }

    void loop()
    {
    SPI.transfer(0x80);
    delay(3000);
    for (byte i=0; i<30;i++)
    {
    SPI.transfer(i+1);
    delay(3000);
    for(int j=0; j<50;j++)
    {
    SPI.transfer(0x0F);
    delay(3000);
    }
    delay(3000);
    SPI.transfer(0x00);
    }
    delay(3000);
    SPI.transfer(0x00);
    }

    • Did you mean EXTMODE? It’s not, you populate one or the other resistor to set that pin high or low, but not both

  4. I see that the schematic shows the components needed for the charge pump.
    What size parts (caps) are needed?
    Is there a BOM for the charge pump?

    Thanks

  5. Caps are all 0805 10V+, X5R or better
    The chip is Linear Tech LTC1517CS5-5
    You’d also have to move 0 Ohm jumper from R3 to R4

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