Arduino : Intermediate - Control Relay with Push Button

Description

Demonstrates the use of relay and control via push button. The relay will turn ON when push button is push and OFF after push button release.

List Item

1. Arduino Uno 
2. Push Button
3. Relay
4. Wire Jumper

Wiring Diagram

Arduino : Intermediate - OLED I2C with DHT11 Temperature Sensor

Description

Demonstrates the use of 128x64 I2C OLED display and DHT 11 Temperature Sensor. You can download OLED I2C and DHT 11 library at Rinky-Dink Electronic and Adafruit DHT sensor library.

List Item

1. Arduino Uno 
2. 128x64 I2C OLED
3. DHT 11 Sensor
4. Wire Jumper

Wiring Diagram