
Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
D6 red light is the power indicator: the red light is on, indicating that the power
supply is normal;
D1 green light is heating rod E0 status indicator: always on when heating, and off
when not heating;
The green light of D2 is the FAN0 status indicator of the CNC fan: it lights up
when it is turned on, and goes out when it is turned off;
The green light of D4 is the status indicator of the CNC fan FAN1: it lights up
when it is turned on, and goes out when it is turned off.
III. Motherboard interface description
1. Motherboard size drawing: please refer to the file BTT E3 RRF IDEX
V1.0-SIZE.pdf;
2. Connection with RRF E3 V1.0:
1) Use FPC cable to connect RRF E3 V1.0 and E3 RRF IDEX V1.0 according to
Pin To Pin;
2) Connect RRF E3 V1.0 to 3.3V of E3 RRF IDEX V1.0 with a DuPont cable, as
shown in the figure below