由於 SSD1306 0.96吋 I2C OLED 屏模組祇可以顯示單色彩,計劃中 OV7670 的攝像頭是可以輸出彩色圖像,所以要製作一個彩色的顯示屏裝置,這次都是會使用之前的 ILI9341 2.4吋 TFT LCD 液晶屏,介面是 SPI (Serial Peripheral Interface Bus)接口和有觸幕屏功能。
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ESP32 ILI9341 2.4吋 SPI TFT LCD 液晶屏製作 |
ESP32 SPI 控制器的 IO 接口:
Pin Name
|
HSPI (GPIO Number)
|
VSPI (GPIO Number)
|
MISO
|
12
|
19
|
MOSI
|
13
|
23
|
SCLK
|
14
|
18
|
CS0*
|
15
|
5
|
QUADWP
|
2
|
22
|
QUADHD
|
4
|
21
|
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ILI9341 2.4吋 SPI TFT LCD 液晶屏 |
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ILI9341 2.4吋 SPI TFT LCD 液晶屏接口 |
ILI9341 SPI
|
Symbol
|
Description
|
I/O
|
1
|
VCC
|
Power
|
Power Supply
|
2
|
GND
|
Ground
|
Ground
|
3
|
CS
|
Chip Select
|
I
|
4
|
RESET
|
Reset
|
I
|
5
|
DC
|
Data / Command
|
I
|
6
|
SDI(MOSI)
|
Serial Input
Signal
|
I
|
7
|
SCK
|
Serial Interface
lock
|
I
|
8
|
LED
|
LED Control
|
I
|
9
|
SDO(MISO)
|
Serial Output
Signal
|
O
|
10
|
T_CLK
|
Touch Screen
Clock
|
I
|
11
|
T_CS
|
Touch
Screen Chip Select
|
I
|
12
|
T_DIN
|
Touch Screen
Data Input
|
I
|
13
|
T_DO
|
Touch Screen
Data Output
|
O
|
14
|
T_IRQ
|
Touch Screen
Interrupt
|
O
|
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ESP32 ILI9341 2.4吋 SPI TFT LCD 液晶屏電路圖 |
ILI9341 SPI
|
Signal
|
Description
|
ESP32 Board
|
Board Signal
|
I/O Signal
|
1
|
Vcc
|
2.7
~ 3.3V
|
1
|
Vcc
|
Vcc
|
2
|
GND
|
GND
|
38
|
GND
|
GND
|
3
|
CS
|
Chip Select
|
23
|
G15
|
GPIO15
|
4
|
Reset
|
Reset
|
1
|
Vcc
|
Vcc
|
5
|
DC
|
Data / Command
|
27
|
G16
|
GPIO16
|
6
|
MOSI
|
Master
Output Slave Input
(MOSI)
|
15
|
G13
|
GPIO13
|
7
|
SCK
|
Serial Clock
Input
(SCLK)
|
12
|
G14
|
GPIO14
|
8
|
LED
|
LED Control
|
1
|
Vcc
|
Vcc
|
9
|
MISO
|
Master
Input Slave Output
(MISO)
|
13
|
G12
|
GPIO12
|
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ESP32 ILI9341 2.4吋 SPI TFT LCD 液晶屏製作的正面 |
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ESP32 ILI9341 2.4吋 SPI TFT LCD 液晶屏製作的背面 |
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ESP32 ILI9341 2.4吋 SPI TFT LCD 液晶屏製作的側面 |
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ESP32 ILI9341 2.4吋 SPI TFT LCD 液晶屏的擴展連接器 |
※ DIY - ESP32:ESP32 ILI9341 2.4吋 SPI TFT LCD 液晶屏程式(十四)
※ DIY - ESP32:ESP32 SPI 驅動 IO 介紹(十五)
※ DIY - ESP32:ESP32 SPI Master 主驅動 API 函數(十六)
※ DIY - ESP32:ESP32 SPI Master 主驅動 API 函數結構件(十七)
2018年 10月 22日 天氣報告
氣溫:23.4度 @ 22:20
相對濕度:百分之 90%
天氣:多雲
Eagle Touch Technologies was established in 2007. At the beginning, we worked as a Touch screen manufacturer with resistive 4/5 wire and projected Capacitive and LCD distributor for Japanese Brand Mitsubishi and Sharp. From year 2011, we started our embedded products line. Focus on Embedded X86 and ArM platform hardware design and manufacturer.
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