We all like cheap items off eBay especially if they do cool and unusual things, sometimes we get so carried away by the price that we do not even realize that fact that we do not know anything about ...

Make sure the hardware hardware switches are 0 1 0 (BS2=0, BS1=1, BS0=0) to make the display talk via I2C. The ER-OLEDM1602 came with 8080 parallel as default (1 1 0) which needs to be changed by ...

A minimal example that demonstrates how to drive an SSD1306 I2C OLED display from an Arduino UNO R4 using the Adafruit SSD1306 and Adafruit GFX libraries. The project prints a few lines on the OLED ...

In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing ...