Worldwide express shipping
Worldwide express shipping
Worldwide express shipping
BIGTREETECH SKR 3 is the successor to SKR 2 and has many new features. It is a powerful motherboard supporting up to 5 stepper driver and with a fast 480 MHz CPU. Suitable for most 3D printers, it offers many interfaces and upgrade options.
This allows even more sophisticated software such as Marlin 2.0 and Klipper to be used.
Key features:
What are the differences of the BTT SKR 3 board compared with SKR 2 and SKR 1.4?
Function |
SKR 3 |
SKR 2 |
SKR 1.4 |
Main chip |
STM32H743VIT6 |
STM32F407VGT6 |
LPC1768 |
Central frequency |
480 MHz |
168 MHz |
100 MHz |
Output current |
5A |
4A |
3A |
CNC fan |
3 (24V, 12V, 5V optional) |
3 |
1 |
PC interface |
USB |
USB |
USB |
Firmware support |
Marlin, Klipper |
Marlin, RepRap |
Marlin |
Temperature sensor interface |
1-way 100K NTC, 2-way 100K NTC, PT1000 optional |
TH0, TH1, TB, 3-way 100K NTC (thermistor) |
TH0, TH1, TB, 3-way 100K NTC (thermistor) |
Wi-Fi interface |
ESP-12S, ESP-07S, ESP32 |
ESP-12S, ESP-07S |
ESP-01S |
Reserved BOOT0 |
yes |
No |
No |
Onboard EEPROM |
yes |
No |
No |
You can find more information, instructions and firmware here: https://github.com/bigtreetech/SKR-3
Package contains: 1 x BIGTREETECH SKR 3
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