Fly-E3 Pin Names

Fly-E3 Pinout Diagram

Fly-E3
Fly-E3 Pinout

Fly-E3 Pins in Firmware

Driver pin numbers. They are separated into driver number.

Pin Type 0 (X) 1 (Y) 2 (Z) 3 (E0)
Step Pins C.13 E.3 B.9 B.3
Direction Pins C.14 E.4 E.0 B.4
Enable Pins C.15 E.5 E.1 B.5
UART Pins E.6 E.2 B.8 D.7

Other pin numbers. Either name can be used in the firmware (config.g).

Pin Number Pin Name 1 Pin Name 2
PA_0 bed hbed
PA_1 ymin ystop
PA_2 xmin xstop
PA_3 bedtemp tb
PA_4 e0temp t0
PA_5 e0heat he0
PA_6 fan1  
PA_7 fan0 fan
PA_8 PA8  
PA_9 TX1  
PA_10 RX1  
PA_13 SWDIO  
PA_14 SWCLK  
PA_15 SDCD  
PB_0 servo0  
PB_1 lcden  
PB_10 PB10  
PB_10 FPC1  
PB_11 PB11  
PB_11 FPC2  
PC_0 PC0  
PC_1 PC1  
PC_2 PC2  
PC_3 PC3  
PC_4 probe  
PC_5 zmin zstop
PC_6 FPC9  
PC_7 PC7  
PC_8 SDD0  
PC_9 SDD1  
PC_10 SDD2  
PC_11 SDD3  
PC_12 SDSCK  
PD_0 FPC10  
PD_1 FPC11  
PD_2 SDCMD  
PD_10 FPC3  
PD_11 FPC4  
PD_12 FPC5  
PD_13 FPC6  
PD_14 FPC7  
PD_15 FPC8  
PE_7 lcdrs  
PE_8 lcdd4  
PE_9 btnen2  
PE_10 btnen1  
PE_11 btnenc  
PE_12 beep  
PE_13 PE13  
PE_14 PE14  
PE_15 PE15  
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