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Measure temperature, humidity, pressure
A BME280 prints to serial and an OLED every two seconds.
bme280_i2cssd1306_i2c
Display
SSD1306 0.96\" OLED, I²C (4-pin header)
ssd1306_i2cI²C0x3c3.3 V logic
Why this support circuit is added
I²C OLED; the module carries its own pull-ups, so none are added.
Grounded in the catalog and golden patterns (real open-source circuits). Every auto-inserted part comes with a reason.
Support circuit added automatically0
No extra support circuit for this part — only the board rail and the connector are wired.
InterfaceI²C
- Catalog id
- ssd1306_i2c
- Category
- Display
- Protocol
- I²C
- I²C address
- 0x3c
- Address select
- Yes (jumper / SDO pin)
- Logic level
- 3.3 V
Firmware detection4
Any of these #includes identifies this part
#include <Adafruit_SSD1306.h> #include <U8g2lib.h> #include <U8x8lib.h> #include <SSD1306Wire.h>
Examples using this part
Run them in the browser, no login needed.
A greenhouse controller
The relay closes when the DS18B20 passes 28 °C; an ultrasonic sensor measures distance too.
buttonds18b20hc_sr04ledrelay_1chssd1306_i2c