Wi-Fi Controlled LED Display with ESP32 and WS2812B

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Circuit Documentation

Summary

This circuit consists of an ESP32 WROOM Development Board, a Bi-Directional Logic Level Converter, an Addressable LED Pixel Board WS2812B, and a DC Power Source. The ESP32 is used to control the LED Pixel Board, with the Logic Level Converter ensuring proper voltage levels between the components. The DC Power Source provides the necessary power to the circuit.

Component List

Bi-Directional Logic Level Converter

Description: Converts voltage levels between high and low voltage devices.
Pins: HV1, HV2, HV, GND, HV3, HV4, LV1, LV2, LV, LV3, LV4

Addressable LED Pixel Board WS2812B

Description: Individually addressable RGB LED.
Pins: VCC, DIN, GND, DO

DC Power Source

Description: Provides power to the circuit.
Pins: Ground, Positive

ESP32 WROOM Development Board USB-C CH340

Description: Microcontroller development board with Wi-Fi and Bluetooth capabilities.
Pins: VIN, GND, D13, D12, D14, D27, D26, D33, D32, D35, D34, VN, VP, EN, 3V3, D15, D2, D4, D16, D17, D5, D18, D19, D21, RX0, TX0, D22, D23

Wiring Details

Bi-Directional Logic Level Converter

HV2 is connected to DIN of the Addressable LED Pixel Board WS2812B.
HV is connected to Positive of the DC Power Source.
LV2 is connected to D16 of the ESP32 WROOM Development Board.
LV is connected to 3V3 of the ESP32 WROOM Development Board.
GND is connected to Ground of the DC Power Source.

Addressable LED Pixel Board WS2812B

DIN is connected to HV2 of the Bi-Directional Logic Level Converter.
VCC is connected to Positive of the DC Power Source.
GND is connected to Ground of the DC Power Source.

DC Power Source

Positive is connected to VIN of the ESP32 WROOM Development Board.
Positive is connected to VCC of the Addressable LED Pixel Board WS2812B.
Positive is connected to HV of the Bi-Directional Logic Level Converter.
Ground is connected to GND of the ESP32 WROOM Development Board.
Ground is connected to GND of the Addressable LED Pixel Board WS2812B.
Ground is connected to GND of the Bi-Directional Logic Level Converter.

ESP32 WROOM Development Board USB-C CH340

VIN is connected to Positive of the DC Power Source.
D16 is connected to LV2 of the Bi-Directional Logic Level Converter.
3V3 is connected to LV of the Bi-Directional Logic Level Converter.
GND is connected to Ground of the DC Power Source.

Code

No code is provided for this circuit.

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and code section.