Specifications

Overall Dimensions：34.6mm x 37.9mm x 3.5mm

Screen Size:1.28 inches
Resolution:240RGB x 240DOTS

Display Area:32.4mm (H) x 32.4mm (V)

Viewing Angle:178°

Backlight Brightness:400 Cd/m²

Driver Chip:GC9A01

Input:DC 5V-24V

Logic Voltage:DC 3.3V

Rated Power:6.4W, peak 8.6W

Communication:ESP32-WIFI 802.11 b/g/n (802.11n, up to 150 Mbps)

perating center frequency range: 2412 – 2484 MHz

Memory:Flash: 4MB; PSRAM: 8MB

Firmware Support：Klipper

Operating Temperature:-20°C to +70°C

Storage Temperature:-30°C to +80°C

Backlight Lifespan>20,000 hours

For:EBB SB2240 CAN,EBB SB2209 CAN,Voron V2.4,Voron Stealthburner

Why KNOMI?

• Klipper-Optimized Design:For maximum performance and compatibility.

• Personalize Your Printhead:Know the real-time status of your printer via KNOMI UI, offering an enjoyable and fun 3D printing experience.

• VORON Ready:Easily upgrade your StealthBurner with KNOMI using our customized printed part files.

• Open Source:For maximum flexibility and customization.

More information

https://github.com/bigtreetech/KNOMI

https://bigtreetech.github.io/docs/KNOMI.html

BIGTREETECH EBB SB2209/SB2240 CAN V1.0 is a tool board adapted to Voron StealthBurner by 3D printing team of Shenzhen Big Tree Technology Co., Ltd, it can communicate through USB or CAN, greatly simplifying connection.

Why choose SB2209/SB2240 CAN V1.0 ?

• Perfect fit for VORON StealthBurner installation position
  

• The commissioning position of ADXL345 accelerometer is consistent with the installation position

• Fan voltage 5V 12V 24V can be selected, support 4-wire fan, meet more DIY

• The new XT30 model CAN bus is more stable and convenient

• Onboard Max31865, paddle switch selection, support 2 and 4 wire PT100 PT1000

EBB SB2209 CAN V1.0

Specifications

Microprocessor: Arm® 32-bit Cortex®-M0+ CPU STM32G0B1CBT6 64MHz

Input voltage: DC12V-DC24V 9A

Logical voltage: DC 3.3V

Heating interface: heating rod (E0), maximum output current: 5A

Onboard sensor: ADXL345

Fan interface: two CNC fans (FAN0, FAN1). One four-wire fan port.

Fan port Maximum output current: 1A, peak value 1.5A

Expansion interface: EndStop, ABL, RGB, PT100/PT1000, USB interface, CAN interface, SPI interface

Motor drive: onboard TMC2209

Feature

1. The board has reserved BOOT and RESET buttons. Users can use USB to enter the DFU mode to update firmware

2. Thermistor can select pull-up resistance value through jumper, in this way to support PT1000 (2.2K pull-up resistance), convenient for customers DIY use

3. Onboard 2-way CNC fan, 1 way 4-wire fan interface

4. Proximity switch, CNC fan, 4-wire fan support VIN/12V/5V voltage selection

5. Onboard SPI output interface, this port is reserved with two independent IO ports, which can be used for material cut off, material blocking detection, or DIY operation of other functions

6. Onboard MAX31865, supporting 2-wire / 4-wire PT100/PT1000 option

7. CAN or USB communication is supported. The 120R terminal resistance of CAN CAN be selected through the jumper cap, and CAN ports are reserved for expansion

8. Equipped with DIY terminals, female reeds, double-way studs and screws, which greatly meet customers' DIY needs

EBB SB2240 CAN V1.0

Specifications

Appearance size: 68.5mm*42.5mm

Microprocessor: Arm® 32-bit Cortex®-M0+ CPU STM32G0B1CBT6 64MHz

Input voltage: DC12V-DC24V 9A

Logical voltage: DC 3.3V

Heating interface: heating rod (E0), maximum output current: 5A

Onboard sensor: ADXL345

Fan interface: two CNC fans (FAN0, FAN1). One four-wire fan port.

Fan port Maximum output current: 1A, peak value 1.5A

Expansion interface: EndStop, ABL, RGB, PT100/PT1000, USB interface, CAN interface, SPI interface

Motor drive: onboard TMC2240

Driving mode: SPI

Stepping motor interface: EM

USB communication interface: USb-type-C

Feature

1. More comprehensive circuit protection

2. Higher power and lower heat generation

3. The function is not easy to heat and damage, and the service life is longer

4. he mainboard has reserved BOOT and RESET buttons. Users can use USB to enter the DFU mode to update firmware

5. Thermistor can select pull-up resistance value through jumper, in this way to support PT1000 (2.2K pull-up resistance), convenient for customers DIY use

6. Onboard 2-way CNC fan, 1 way 4-wire fan interface

7.USB power-on through the jumper cap selection, effectively isolate the motherboard DC-DC and USB5V

8. Proximity switch, CNC fan, 4-wire fan support VIN/12V/5V voltage selection

9. Onboard SPI output interface, this port is reserved with two independent IO ports, which can be used for material cut off, material blocking detection, or DIY operation of other functions

10. Onboard MAX31865, supporting 2-wire / 4-wire PT100/PT1000 option

11. CAN or USB communication is supported. The 120R terminal resistance of CAN CAN be selected through the jumper cap, and CAN ports are reserved for expansion

Packing list

1. Only KNOMI：KNOMI*1

2. With EBB36 CAN V1.2：KNOMI*1+EBB36 CAN V1.2*1

3. With EBB36 No 31865：KNOMI*1+EBB36 CAN V1.2(Without 31865)*1

4. With EBB42 CAN V1.2：KNOMI*1+EBB42 CAN V1.2*1

5. With EBB42 No 31865：KNOMI*1+EBB42 CAN V1.2(Without 31865)*1

6. With EBB SB2209 CAN：KNOMI*1+EBB SB2209 CAN*1（With CAN cable）

7. With EBB SB2240 CAN：KNOMI*1+EBB SB2240 CAN*1（With CAN cable）

8. With SB2209-RP2040KNOMI*1+EBB SB2209 CAN（RP2040）*1