Description
BIGTREETECH SKR 2 is a successor to the motherboards of the SKR 1.4 and SKR 1.4 Turbo series and has many new functions. This versatile 32-bit mainboard with a powerful 168 Mhz ARM-Cortex-M4 CPU is suitable for most 3D printers and offers many interfaces and upgrade options compared to most built-in motherboards.
The mainboard is compatible with RepRap and Marlin open-source software.
These are Rev B boards.
Features:
- 32-bit ARM Cortex-M4 CPU with 168MHz
- 5 stepper driver slots
- Up to 6 stepper motors can be connected.
- WIFI interface connection
- Thermal runaway protection circuit
- Extended protection circuit for thermistors
- Marlin integrated anti-reverse stepper driver protection
- Supports BigTreeTech TFT displays as well as LCD12684, LCD2004
- Connectors for PWM fans
- Interface for closed loop stepper motor
- Raspberry Pi Interface
- High performance MOSFET
- Supports BLtouch, filament runout sensor
- Auto power down enabled (separate relay required)
- Power Loss Recover Feature (separate UPS module required)
- Dimensions: 109.67x84.3mm
- Hole spacing: 101.85x76.3mm
Connections:
- 12V / 24V input voltage
- 5 stepper driver slots (SPI, UART, STEP / DIR)
- 6 stepper motors can be connected (dual Z axis)
- 1 Micro SD card reader
- 1 USB socket
- 1 USB port
- 1 WIFI interface for ESP8266 module
- 2 connections for heating cartridges
- 1 connection for heating bed
- 4 temperature sensor connections
- 2 connections for one fan
- 3 connections for PWM fans
- 1 connection option for BL-Touch sensor
- 3 connections for limit switches
- 1 filament runout connection option
More information, firmware and instructions are available here
