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A guide to wire a breakout board to the feather?
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A guide to wire a breakout board to the feather?

by illimay on Thu Jul 07, 2022 6:30 am

Hello!
I'm really new at this..
I'm trying to wire the OLED Breakout Board 1.5" to the Feather RP2040.
Is there possibly a guide to doing this?
Any help would be appreciated :)

illimay
 
Posts: 1
Joined: Thu Jul 07, 2022 6:27 am

Re: A guide to wire a breakout board to the feather?

by neradoc on Thu Jul 07, 2022 10:20 am

Hi, feathers have default pins for SPI communication, you should use those (SCK and MOSI in this case), other pins are normally any pins you choose as long as you set it up correctly in the software then by matching the pins. It should be like that, using the markings on the silkscreen:

Feather -> Display
GND -> GND (G)
3.3v -> VIN (+)
SCK -> SCLK (CL)
MO -> MOSI (SI)
MI -> MISO (SO)
any -> DC
any -> OLEDCS (OC)
any -> RST (R)

OC/OLEDCS is the CS (chip select) pin for the display.
To use the SD Card you also need to setup the Chip Select pin for the SD card, SDCS (or SC), to any pin.

Here is a wiring diagram for another display that uses pins D6, D9 and D10 for the free pins:
https://learn.adafruit.com/2-2-tft-display/circuitpython-displayio-quickstart#wiring-the-breakout-to-the-feather-3037059

neradoc
 
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Joined: Wed Apr 27, 2016 2:38 pm

Please be positive and constructive with your questions and comments.