Temperature and Humidity Sensor DHT11 with arduino Tutorial – Make OLED Termometer

DHT11 with OLED display (DIY thermometer)

DHT11 is cheapest temperature and humidity sensor compare to another sensor. It has 3 pins that we can easily interface with arduino. It uses single-bus operation. DHT11 Specification PCB size 22.0mm X 20.5mm X 1.6mm Working voltage 3.3 or 5V DC Operating voltage 3.3 or 5V DC Measurement range 20-95%RH;0-50℃ Resolution 8bit(temperature),8bit(humidity) Compatible interfaces 2.54 …

How to draw or print bitmap to OLED display arduino

128x64 0.96 OLED display

This is actually continued from my previous article about how to use OLED display arduino – How to write text, draw shapes and draw bitmap. You should check that if you don’t know how. You can draw bitmap in this OLED display with some steps. Resize your image to fit the OLED display Convert image to …