Cheetah 32bit Board TMC2209 TMC2208 Silent Control Board With Addon 24V To 12V Module For CR10 Ender-3 Ender-3 Pro Ender 5     Designed for a single-head 3D printer, many...


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Cheetah 32bit Board TMC2209 TMC2208 Silent Control Board With Addon 24V To 12V Module For CR10 Ender-3 Ender-3 Pro Ender 5
Designed for a single-head 3D printer, many interfaces are reserved for more features. Such as AC detection, filament detection, leveling with BL-touch or other sensors.
Compact size: 101.5mm x 72mm,Compatible with the ender-3 motherboard size
fully integrated all in one solution:
STM32F103 MCU (Run Marlin 2.0 )
CH340 for high speed USB serial connection
Cheetah v1.1 version: 4X TMC2209 stepper drivers, Support sensor-less homing;RGB control and fan control 12V/24V optional (Requires 24V to 12V module),

Cheetah v1.2b version: 4X TMC2208 stepper drivers,have two pwm Fans , No support sensor-less homing,don't need  24V to 12V module when use 12V fan ,don't support RGB
can be used with 7V-35V for motors / heated bed
integrated high precision power regulators (DC/DC): 5V 1A Max and 3.3V 600mA Max LDO
Onboard TF card socket
EXP1 for 12864 display panel (12864 panel or FYSETC Generic12864)
Onboard RGB control
RGB control and fan control 12V/24V optional (Requires 24V to 12V module)
High quality, High temperature FR4-TG130 PCB
Gold ENIG finishing
This module is only necessary if you plan to use a 12V fan or 12v RGB, if you keep the original fan from the ender-3 (or stay with 24v fan) you won't need this module 
1.Why use USB-TO-UART chip for USB?
We just want to give you a convenient way to update the firmware without having to think about which bootloader to use and how to jumper BOOT0&BOOT1. Also, if your board is already installed in the machine, the jumper setting is more inconvenient for you. So, by adding a chip that can solve the problem, why not do it?
2.Why does the USB power flow back to the PSU?
At the time of design, we thought that plugging in the USB is just to update the firmware, and at other times you will use the SD card for printing. Even if you use USB printing, it should be a short-time debugging. Even, we found that most of the 2560 boards did the same, and nothing went wrong. This should be a way of testing over time. Until TH3D promotes this problem in the whole world, I think this will cause confusion for many people, so I will solve this problem whether or not it will cause problems, and it was already solved on the 1.2a version.
3.The direction of the encoder is wrong?
First of all, this is not a hardware problem, we can adjust it through software, and it is very easy. Secondly, there is no fixed standard in this direction, and different people may not like the same. Finally, we have changed to the most favorite way, if you want to reverse, you can also set the firmware yourself. Note: In fact, our price is only the price of a hardware platform, we have never calculated the value of software, we think that as one of the contributors and users of marlin, we should follow the spirit of open source, make more people easier Get the convenience of open source. Instead of selling it with open source resources.
4.The screen displays garbled characters?
First of all, we should know that low-voltage signals are easily interfered, so we should try to avoid the screen line and the high-voltage and high-current lines being too close. In addition, our people usually have static electricity on their hands, and directly touch some electronic components, which may also affect normal signal transmission. So if it is just an accidental phenomenon and it will disappear after re-power, then don't worry. If it has been there, please contact us and we will deal with it according to the specific situation!
1.If you want to know more information,pls refer our wiki
2.Please pay attention to the location of the connection






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