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Forum Index : Microcontroller and PC projects : 1.8 TFT Display

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Gerad
Regular Member

Joined: 10/01/2024
Location: Germany
Posts: 42
Posted: 03:08pm 23 Sep 2024
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Hi all,
does anyone know the SPI pin assignment for this 1.8 TFT display? For Webmite

Thank you.
Gerad
Edited 2024-09-24 01:14 by Gerad
 
stanleyella

Guru

Joined: 25/06/2022
Location: United Kingdom
Posts: 2120
Posted: 09:42pm 23 Sep 2024
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er.. looks like spi. try ili 9341 to see if it gets display going
 
phil99

Guru

Joined: 11/02/2018
Location: Australia
Posts: 2135
Posted: 10:24pm 23 Sep 2024
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The only 160 x 128 SPI display I can see in the latest manual is ST7735 on p66.
  Quote  OPTION LCDPANEL ST7735, OR, DC, RESET, CS [,BACKLIGHTPIN]
Initialises a TFT display using the ST7735 controller. This supports 160 * 128 resolution.
Two ways to be see if this is the correct driver.

1) Trial & error. Setup Option System SPI with SPI clock going to SCK and MOSI (SPI Tx) to SDA and the other pins as per the the manual.

2) Get more info from the seller. Assuming you bought it online your account will have the details of the seller and a link to the add. In the add look for the specifications to get the controller chip number and any other info they may have.
 
disco4now

Guru

Joined: 18/12/2014
Location: Australia
Posts: 896
Posted: 05:03am 24 Sep 2024
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The pin marked A0 on the LCD is used as the DC pin. The rest as above.
Latest F4 Latest H7
 
Gerad
Regular Member

Joined: 10/01/2024
Location: Germany
Posts: 42
Posted: 09:37am 24 Sep 2024
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Thanks for your help. The display is a ST7735. Only the connection A0 confused me. Disco4now had the solution. The display (1.99€ on AliExpress) works perfectly.
Thanks
Gerad
 
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