IOT MCU ESP 01 DHT11 MAX7219 LED matrix Clock

MAX7219 LED Matrix Display & IOT MCU ESP 01 DHT11


  In this instructable we are going to learn how to monitor the temperature and the humidity measurements using the IOT-MCU/ESP-01-DHT11, MAX7219 LED matrix display.

ESP-01 OVERVIEW:
    The ESP-01 is a small size black colored module with 1M memory.
    The ESP8266 is a low-cost WiFi module with full TCP/IP stack.
    The ESP8266 series are produced by Espressif Systems.
    Operating voltage:  3.3V volts.

IOT-MCU ESP-01-DHT OVERVIEW:
    Controller: ESP-01 / ESP-01S (To buy separately)
    Temperature and humidity sensor: DHT11
    Operating voltage: DC 3.7V-12V (It supports 3.7V lithium battery power supply)
    Measuring range: 20-90% RH 0-50 ?,
    Measurement accuracy: Temperature ± 2 ?, Humidity ± 5% RH.

Schema



Code

ARDUINO 1.8.9
IOT MCU ESP 01 DHT11 MAX7219 LED matrix Clock

Library

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