BIGTREETECH SKR 2 Control Board New Upgrade Silent Board for 3D Printer Based on SKR V1.4 Turbo Motherboard for BIQU B1 Compitable TMC2209, TMC2208, DRV8825 Support TFT Display, LCD, SPI Screen

BIGTREETECH SKR 2 Control Board New Upgrade Silent Board for 3D Printer Based on SKR V1.4 Turbo Motherboard for BIQU B1 Compitable TMC2209, TMC2208, DRV8825 Support TFT Display, LCD, SPI Screen

BIGTREETECH SKR 2 Control Board is a 32-bit 3D printer motherboard optimized and upgraded by the BIQU technology company’s 3D printing team for the shortcomings of the SKR V1.4/V1.4 Turbo version of the motherboard. Powerful Main Control Chip ARM cortex-M4 series STM32F407VGT6 main control chip with a core frequency of 168MHz. Added Safety Design Advanced thermistor protection circuit.Thermal runaway circuit protection added. Dedicated WIFI Interface ESP8266 module (ESP12S or ESP-07) interface for customers to use RepRap Firmware. Read more 3 PWM Controllable Fan Interfaces Onboard push-pull TF Card Slot and U disk Interface Compatible with Marlin and RepRapFirmware Read more TFT35 E3 V3.0 Touch Screen Smart Filament Sensor BLTouch Auto Leveling Sensor 4TMC2209 V1.2 Stepper Drivers 4TMC2209 UART V3.0 Stepper Drivers ESP8266 WIFI Module Compatible TMC2209, TMC2208, DRV8825, etc. ✓ ✓ Support TFT35 E3, TFT43, TFT50, TFT70, etc. ✓ Reserve ESP8266 WIFI Interface ✓ Support BLTouch, Smart Filament Sensor ✓ ✓

Product Features

• Integrates a AOZ1284PI power regulator which supports 12-24V power input and a maximum output current of 4A enough to power external components such as LEDs and even a raspberry pi;
• TMC Motor drivers can be used in SPI or UART mode by simply adjusting the onboard jumpers beneath each motor driver. Additionally you can connect or disconnect the TMC DIAG pin using an onboard jumper allowing you to use hard endstops or sensorless homing without the need to cut any pins.
• Includes a protection circuit on thermistor inputs which protects against short circuits between the heater cartridge and the bed heating element. This is a common mistake made by many users when replacing a nozzle or working on the hotend so we expect this feature to be a welcome one;
• Includes an additional heater protection circuit which protects against runaway heating on the bed and hotend heaters. By default, the heaters are off so if the MCU or MOSFETs are damaged, the heaters will shut down instead of enter into thermal runaway;

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