Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
60
Lesson 26: Temperature and humidity
monitoring experiment
Overview
This is a more complex experiment, it can realize the monitoring of indoor
temperature and humidity, and in the LCD above display value.
Specification
Please view LCD1602-datasheet.pdf、DHT11-datasheet.pdf and PCF8574.pdf.
Path: \Datasheet
Pin definition
RPI DHT11
GND -> GND/’-’
GPIO4 -> DATA/’out’
5V0 -> VCC/’+’
LCD1602
GND -> GND
5V0 -> VCC
SDA1 -> SDA
SCL1 -> SCL
Hardware required
Material diagram
Material name
Number
DHT11 Module
1
LCD1602 with IIC
1
Raspberry Pi Board
1