MKS-TinyBee

• MKS TinyBee is a mainboard for 3d printing, based on ESP32 module. Support Marlin2.0 firmware, in addition to ordinary LCD2004, 12864 screens, it also supports MKS MINI12864 V3, and MKS TFT serial screen, and MKS H43. The firmware can be updated via USB. Can be connected to WIFI, web page control printing.
• MKS TinyBee小蜜蜂主板，是一款集成ESP32 wifi模块的3D打印控制板。支持Marlin 2.0固件，除了支持普通的LCD2004,12864之外，还支持了MKS MINI12864 V3，并且，可以使用MKS TFT串口屏、MKS H43。固件更新可以使用USB直接下载，可以连接wifi进行网页控制打印。

How to buy MKS TinyBee

• Makerbase official: https://www.aliexpress.com/item/1005003639545394.html
• Makerbase Global: https://www.aliexpress.com/item/1005003640084870.html

Features

• Support Marlin 2.0.x
• Support LCD2004/12864, MKS MINI12864 V3
• Support MKS TFT series screen, MKS TFT24/28/32/35
• Use USB upload firmware
• Printing by connect wifi web control

Board parameters

• MCU is ESP32-WROOM-32U, Flash: 8192K, RAM: 520K, the frequency is: 240MHz
• Use power dc12~24V input
• Support power reverse connection protection and power spike protection
• Has 2 heater end+ 1 Heater BED, 3 NTC100K: TH1, TB, TH2(Need jumper selection)
• 2 Channel and 2 power output xh2.54-2p interface
• 5 axis 6 motor interface(Dual Z axis in parallel)
• STEP/DIR moode and support external for high current drives
• Microstep settings use DIP switch
• Has X, Y, Z, MT_DET detection interface
• Support 3D Touch

Size

• MKS TinyBee motherboard installation size compatible with MKS Gen-L, Nano V3

Wiring

PinMap

Items	Function	Pin
Heater	H-BED	IO144
Heater	H-E0	IO145
Heater	H-E1	IO146
PWM FANs	FAN1	IO147
PWM FANs	FAN2	IO148
Steppers	X_ENABLE	IO128
Steppers	X_STEP	IO129
Steppers	X_DIR	IO130
Steppers	Y_ENABLE	IO131
Steppers	Y_STEP	IO132
Steppers	Y_DIR	IO133
Steppers	Z_ENABLE	IO134
Steppers	Z_STEP	IO135
Steppers	Z_DIR	IO136
Steppers	E0_ENABLE	IO137
Steppers	E0_STEP	IO138
Steppers	E0_DIR	IO139
Steppers	E1_ENABLE	IO140
Steppers	E1_STEP	IO141
Steppers	E1_DIR	IO142
Endstops	X_STOP	IO33
Endstops	Y_STOP	IO32
Endstops	Z_STOP	IO22
Detection	MT_DET	IO35
Servo	3D TOUCH	IO2
THM	TH1	IO36
THM	TH2	IO34(Need jumper selection)
THM	TB	IO39
EXP1	BEERPER	IO149
EXP1	BTN_ENC	IO13
EXP1	LCD_EN	IO21
EXP1	LCD_RS	IO4
EXP1	LCD_D4	IO0
EXP1	LCD_D5	IO16
EXP1	LCD_D6	IO15
EXP1	LCD_D7	IO17
EXP2	SD_MISO	IO19
EXP2	SD_SCK	IO18
EXP2	BTN_EN1	IO14
EXP2	SD_CS	IO5
EXP2	BTN_EN2	IO12
EXP2	SD_MOSI	IO23
EXP2	SD_DET	IO34(Default for SD_DET function)
TF CARD	CS	IO5
TF CARD	SCK	IO18
TF CARD	MISO	IO19
TF CARD	MOSI	IO23
TF CARD	DET	IO34(Default for SD_DET function)
USART2	TXD2	IO17
USART2	RXD2	IO16
USB	USB to serial port	USART0

Firmware Config

• Support Marlin 2.0.x

Note

• Thank you for using MKS products. If you have any questions during use, please contact us in time and we will work with you to solve it.

• For more product dynamic information and tutorial materials, you can always follow MKS's Facebook/Twitter/Discord/Reddit/Youtube and Github. Thank you!

• MKS Github: https://github.com/makerbase-mks

• MKS Facebook: https://www.facebook.com/Makerbase.mks/

• MKS Twitter: https://twitter.com/home?lang=en

• MKS Discord: https://discord.gg/4uar57NEyU

• MKS Reddit: https://www.reddit.com/user/MAKERBASE-TEAM/