BIGTREETECH ESP32U Module for SKR 3/SKR 3 EZ/SKR 2/Octopus/Octopus pro for 3d printer

BIGTREETECH ESP32U Module for SKR 3/SKR 3 EZ/SKR 2/Octopus/Octopus pro for 3d printer:

Bigtreetech ESP32U mode for SKR 3/SKR 3 EZ/SKR 2/Octopus/Octopus pro for 3d printer

The BIGTREETECH ESP32U Module is a high-performance ESP32 WiFi Bluetooth module built around the ESP32-D0WD-V3 dual-core processor, delivering fast wireless connectivity and broad peripheral support. With 2.4GHz WiFi, Bluetooth 4.2 (BR/EDR + BLE), and multiple hardware interfaces (UART/SPI/I2C/SDIO/ADC/DAC/PWM), this ESP32 development module is ideal for 3D printer connectivity upgrades, embedded control, automation, and IoT applications.

Key Features

• BIGTREETECH ESP32U Module with dual-core ESP32 processing (ESP32 module)
• Dual-core Xtensa® 32-bit LX6 MCU up to 240MHz (dual core ESP32)
• Reliable 2.4GHz 802.11 b/g/n WiFi with up to 150Mbps (ESP32 WiFi module)
• Bluetooth 4.2 BR/EDR + BLE support (ESP32 Bluetooth module, BLE connectivity)
• Wide interface support for projects: SD card, UART, SPI, SDIO, I2C, PWM, I2S, IR, GPIO, touch, ADC, DAC (IoT module)
• Wide temperature range for stable operation (industrial temperature ESP32)
• Suitable for embedded control, wireless monitoring, and DIY electronics (wireless control module)

Specifications

MCU / Memory

• Chip: ESP32-D0WD-V3 (Xtensa® dual-core 32-bit LX6), up to 240 MHz
• ROM: 448 KB
• SRAM: 520 KB
• RTC SRAM: 16 KB (8 KB fast + 8 KB slow)

Wi‑Fi

• Standards: 802.11 b/g/n
• 802.11n data rates: up to 150 Mbps
• Working frequency range: 2412–2484 MHz
• Supports A-MPDU / A-MSDU aggregation, 0.4 µs guard interval

Bluetooth

• Bluetooth v4.2 BR/EDR + Bluetooth LE
• Supports Class-1 / Class-2 / Class-3 transmitters, AFH, CVSD, SBC

Hardware / Electrical

• Supply voltage: 3.0–3.6 V
• Recommended operating temperature: –40 to 85 °C
• Interfaces: SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch, ADC, DAC, etc.
• Strapping pins: MTDI, GPIO0, GPIO2, MTDO, GPIO5
• eFuse: 1 Kbit (includes MAC/chip settings + user bits)

Applications

• Wireless connectivity and control boards (WiFi Bluetooth module for electronics)
• 3D printer monitoring/control integrations (where supported by your firmware/setup) (3D printer WiFi module, 3D printer Bluetooth module)
• IoT devices, smart sensors, automation controllers (ESP32 IoT module)
• Embedded development, robotics, and motor control (ESP32 PWM control)
• Industrial/low-temp/high-temp environments (industrial ESP32 module)

Package Include

• 1 piece of Bigtreetech ESP32U.