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extended wiring information

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Florian Klemenz 2022-05-04 15:44:58 +02:00
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README.md
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@ -5,6 +5,9 @@ In order to setup the dashboard start with cloning this repo ;)
cd fb-dash cd fb-dash
# Connect the display to the RaspberryPi # Connect the display to the RaspberryPi
Here is some info on how to wire the display to the RaspberryPi.
## Full connection diagram (9 wires needed)
Wire the display connector according to the connector scheme below.\ Wire the display connector according to the connector scheme below.\
**NOTE:** The 56 Ohm resistor is suggested for safety reasons - but it also seems to work fine wihtout it **NOTE:** The 56 Ohm resistor is suggested for safety reasons - but it also seems to work fine wihtout it
@ -20,6 +23,41 @@ Wire the display connector according to the connector scheme below.\
GND --------------------------- GND | | PIN 9,14,20,25 GND --------------------------- GND | | PIN 9,14,20,25
VCC --------------------------- 3,3V | | PIN 1,17 VCC --------------------------- 3,3V | | PIN 1,17
## Minimal connection diagram (7 wires needed)
Wire the display connector according to the connector scheme below.\
**NOTE:** The 56 Ohm resistor is suggested for safety reasons - but it also seems to work fine wihtout it
ILI9341 RaspberryPi
===============================================================
SDO/MISO ---------------------- MISO | GPIO 9 | PIN 21
LED ----------| 56 Ohm |------- VCC (soldered directly onto the display connector)
SCK --------------------------- SCLK | GPIO 11 | PIN 23
SDI/MOSI ---------------------- MOSI | GPIO 10 | PIN 19
DC/RS ------------------------- | GPIO 24 | PIN 18
RESET ------------------------- VCC (soldered directly onto the display connector)
CS ---------------------------- CE0 | GPIO 8 | PIN 24
GND --------------------------- GND | | PIN 9,14,20,25
VCC --------------------------- 3,3V | | PIN 1,17
## Some explanation
|---------> Power
GND --|
VCC --|
|---------> SPI Interface (data transfer)
MISO -|
MOSI -|
SCK --|
CS ---|
|---------> Data/Command switch
DC/RS | (indicates whether the transfered data is a command or display data)
|---------> Power to the backgroud lighting
LED --|
|---------> Resets the display controller when pulled low
RESET |
# Configure the display # Configure the display
**TL;DR** just run ```make rpi-config``` **TL;DR** just run ```make rpi-config```