Last Updated on 15 April 2022 by Suffocation

This add-on board provides everything necessary for controlling an OLED display.

For the D1 mini ESP8266 and ESP32, go here:

Facts

OLED Display 64x48 Pixels

Description	Name	D1 Mini	D1 Esp32
I2C Data Pin	SDA D2	GPIO 4	GPIO 32
I2C Clock Pin	SCL D1	GPIO 5	GPIO 25
I2C Address		0x3C	0x3C

D1 Mini Shield – OLED 64x48 – Pins and Addresses

If two displays are to be controlled, the I2C address can be changed to 0x3D by re-soldering a jumper. (See the back of the PCB)

Compatibility

D1 Type	Compatible	Reason if not
D1 mini	Yes
D1 mini Pro	Yes	Untested
D1 mini Lite	Yes	Untested
D1 32	Yes
S2 mini	Yes	Untested
C3	Yes	Untested

Compatibility with D1 boards

Areas of application

Outputting information to the display
Debugging
Fun

Views

Programming

Libraries

The required libraries can be loaded via the library manager.

D1 Mini Shield – OLED 64×48 – SSD Library

Here are the GitHub links to the libraries

https://github.com/stblassitude/Adafruit_SSD1306_Wemos_OLED

https://github.com/adafruit/Adafruit-GFX-Library

Arduino ESP32 Library V2.0.2

Arduino ESP8266 Library V3.0.2

Test programme

I have used the test program from the library:

That's how it is

Problems

Conclusion

A display for all projects, a bit small but fine for starters.

Other Shields

More ESPs

Sources

Sources for the Shield

Manufacturer's website

Manufacturer's details

https://github.com/stblassitude/Adafruit_SSD1306_Wemos_OLED

https://github.com/adafruit/Adafruit-GFX-Library

Sources for the boards

Manufacturer's website

Schematic

CH340 USB Driver

https://arduino-projekte.info/wemos-d1-mini/

https://www.exp-tech.de/plattformen/esp8266/entwicklungsboards/8898/wemos-d1-mini

D1 Mini Shield – OLED 64×48