SSD1306 DHT11 Temp Humd example

Tutorial

Hardware:

• NODEMCU

Tool:

• ESPFlashDownload

Download:

SUPPORT OTA:

This demo do not support OTA!

NOT SUPPORT OTA:

change some code like below

#Makefile of project line25-line29
BOOT?=none
APP?=0
SPI_SPEED?=40
SPI_MODE?=DIO
SPI_SIZE_MAP?=6

• eagle.flash.bin-------->0x00000
• eagle.irom0text.bin---->0x10000
• blank.bin --> 0x3FE000
• esp_init_data_default_v08.bin --> 0x3FC000

Options:

• CrystalFreq:26M
• SPI SPEED: 40MHz
• SPI MODE: DIO
• FLASH SIZE: 32Mbit-C1
• BAUD: 115200

Hardware connection:

DHT11	<---->	NODEMCU
Data	<---->	D1(GPIO5)

OLED	<---->	NODEMCU
SDA	<---->	D4(GPIO2)
D4	<---->	D5(GPIO14)

修改DHT11管脚，请修改以下地方：

1. app/include/driver/hal_temp_humd.h 10L:

#define DHT11_GPIO_PIN      5

2. app/driver/hal_temp_humd.c　200L:

PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO5_U, FUNC_GPIO5);

修改OLED 管脚请修改以下地方: app/include/driver/i2c_master.h 28L-33L:

#define I2C_MASTER_SDA_MUX PERIPHS_IO_MUX_GPIO2_U
#define I2C_MASTER_SCL_MUX PERIPHS_IO_MUX_MTMS_U
#define I2C_MASTER_SDA_GPIO 2
#define I2C_MASTER_SCL_GPIO 14
#define I2C_MASTER_SDA_FUNC FUNC_GPIO2
#define I2C_MASTER_SCL_FUNC FUNC_GPIO14

Result:

If you have any questions, you can email me or submit an issue.