// display
WS2812B / NeoPixel
Addressable RGB LED strip / ring
€0.20
avg eur
no image
1-Wire-custom
Pins
3
Specs
4
Libraries
2
Protocols
1
// wiring → esp32 devkit v1
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
5V
GND
GPIO23
GPIO22
SCL
GPIO1
TX0
GPIO3
RX0
GPIO21
SDA
GPIO19
MISO
GPIO18
SCK
GPIO5
SS
DIN
GPIO17
TX2
GPIO16
RX2
GPIO4
GPIO2
GPIO15
sensor pin (left)
sensor pin (right)
unused
// pinout → esp32
| Sensor Pin | ESP32 Connection |
|---|---|
| 5V | 5V (external for >8 LEDs) |
| GND | GND |
| DIN | GPIO 5 (via level shifter) |
// technical specs
Colour
24-bit RGB
Bitrate
800 kHz
Power
~60 mA / LED full white
Voltage
5V (data 3.5V min)
// github libraries
// notes & warnings
Data line wants 5V logic — ESP32's 3.3V is borderline. Use a 74HCT245 / SN74LVC1T45 level shifter for reliability. Add 1000µF cap across power rails. ESP32 RMT peripheral handles timing perfectly.
// related sensors · display