// display
SSD1306 OLED 0.96"
128x64 monochrome OLED
€3.50
avg eur
no image
I2C
SPI
Pins
4
Specs
4
Libraries
2
Protocols
2
// wiring → esp32 devkit v1
VCC
3V3
EN
GPIO36
VP
GPIO39
VN
GPIO34
GPIO35
GPIO32
GPIO33
GPIO25
GPIO26
GPIO27
GPIO14
GPIO12
GND
GND
GPIO13
ESP32
WROOM-32
devkit v1
USB
VIN
5V
GND
GPIO23
GPIO22
SCL
SCL
GPIO1
TX0
GPIO3
RX0
GPIO21
SDA
SDA
GPIO19
MISO
GPIO18
SCK
GPIO5
SS
GPIO17
TX2
GPIO16
RX2
GPIO4
GPIO2
GPIO15
sensor pin (left)
sensor pin (right)
unused
// pinout → esp32
| Sensor Pin | ESP32 Connection |
|---|---|
| VCC | 3.3V |
| GND | GND |
| SCL | GPIO 22 |
| SDA | GPIO 21 |
// technical specs
Resolution
128x64 (also 128x32)
Colour
monochrome (white/blue/yellow)
I2C addr
0x3C / 0x3D
Voltage
3.3–5V
// github libraries
// notes & warnings
The default ESP32 display. u8g2 supports it everywhere; Adafruit GFX is heavier but plays nice with their ecosystem. SPI variant exists but I²C dominates.
// related sensors · display
HD44780 16x2 LCD (I²C)
Classic 2-line character LCD with PCF8574 backpack
€3.00
ILI9341 TFT
320x240 colour TFT (SPI)
€7.00
MAX7219 8x8 / 7-seg driver
SPI driver for LED matrices and 7-seg displays
€1.50
ST7789 IPS TFT
Colour IPS TFT, fast SPI
€6.00
WS2812B / NeoPixel
Addressable RGB LED strip / ring
€0.20