EBB 36/42 Can Bus
BIGTREETECH EBB36 or EBB42 CAN is a nozzle adapter board specially designed for a 36 or 42 stepper motor extruder, which is launched by the 3D printing team Shenzhen Big Tree Technology Co., Ltd. It can communicate via USB or CAN, which will greatly simplify the wirings.
With BOOT and RESET buttons reserved, users can update the firmware via DFU mode by USB.
Added protection circuit on the thermistor avoids burning the main control chip caused by leakage current from the heating rod.
Users can select the thermistor's pull-up resistor values through a jumper wire, so as to support PT1000 (2.2K pull-up resistors), which makes it convenient for DIY.
Connect the USB with a jumper cap to get it powered on, which effectively isolates the main control board DC-DC from USB 5V.
Reserved I2C interface allows for filament broke and clogged detection, and supports other DIY functions.
Added anti-flyback diodes on the heating rod and fans' ports effectively protect the MOS tube from being burned due to reverse voltage.
Anti-reverse connection protection on the power interface prevents users from burning the motherboard when mistakenly connecting the reverse power line during DIY.
Onboard MAX31865 supports selecting 2-wire or 4-wire of PT100/ PT1000.
Supports communication via CAN or USB. The terminal resistor 120R of CAN can be selected through the jumper cap, and it reserves CAN expansion interfaces.
Equipped ESD protection chip on the USB port prevents the main control board from being broken down by the static electricity of the USB port.
The adaptor board is equipped with terminals, female reeds, double-way studs and screws, which are required for DIY, greatly meeting the DIY needs of customers.
BIGTREETECH U2C is a USB to CAN bus module, which can convert the USB port of Raspberry Pi to the CAN bus, and connect the 3D printing motherboard, BTT EBB36/42 CAN and other products through CAN bus. There are many different forms of CAN interfaces on the board, which are helpful to connect to different boards.
CAN bus has many advantages in the field of industrial control, so our company has launched this USB to CAN module. The CAN bus has a long transmission distance and a large number of nodes can be mounted on it. So the motherboard, EBB, and other expansion boards can be mounted on the same CAN bus at the same time.
Support CAN bus connection, long data transmission, strong anti-noise ability strong real-time performance, and high reliability.
The surface of the PCB adopts the ENIG process.
The TYPE-C port is equipped with ESD protection to prevent static electricity from damaging the hardware.
Support firmware updates for the motherboard through SWD or hardware DFU.
More than on the CAN interface.
Good documentation for connecting. Compact Design. Perfect
This product is unfortunately duckless. Other than that, it's neat little board with everything you need for toolhead. Works great, fits well on nema 36.
I'd like to see option with canbus cable similar to one shipped with SB2209 (just with molex connector). Also more and more hotends nowadays ship with microfit connectors for hotend, so microfit instead of screw terminal would be really nice.
This CAN board is just great, small compact, got you covered on all things a toolhead may require...
I'm very happy with mine... plugged it on a printer made in 2014... it's working like a champ... and it supports DIY CAN cables too... i simply can't say anything bad about it :?)
It takes some time to make everything work so be careful, especially knowing which leads are CAN and which are 24v pi’s and neg.
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