Arduino Real Time Alarm Clock DS3231 with TM1638. Arduino Clock with Battery backup (real time clock), Time, Date, Alarm, Temperature, TM1638 seven segment module output and input, Display Sleep mode.

💧 Monitoring water tanker level using NodeMCU ESP8266 and HC-SR04P Ultrasonic Sensor and broadcasting it using a simple HTTP server inside NodeMCU ESP8266 and show data in an Android App Using ...

2.DHT.h && DHT_U.h It is used for establishing a connection with the DHT11 sensor through its serial communication protocol with ease. 3.Arduino_LED_Matrix.h Arduino UNO R4 built-in 8x12 LED matrix ...