Electrical Interface of myCobot 280 Jetson Nano

1 Introduction

1.1 Pedestal

  • A. Figure 1-1 shows the front ports and buttons on the pedestal:

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​ Figure 1-1 Front view of the base

1.2 Introduction to Interfaces on Pedestal

Notice: Functional interface group is Dupont interface of 2.54mm, and 2.54mm Dupont wire can be used externally.

  • A. Table 1-1 shows the definition of each interface of a functional interface group.
Tag name Signal name Function Note
5V 5V Power supply, DC5V
5V 5V Power supply, DC5V
GND GND Motherboard power signal ground
NC NC -- Temporarily not open
NC NC -- Temporarily not open
18 GPIO18 -- PAD serial port occupation
GND GND Motherboard power signal ground
23 GPIO23 3.3 V-out-PNP output /3.3 V-int input
24 GPIO24 3.3 V-out-PNP output /3.3 V-int input
GND GND Motherboard power signal ground
25 GPIO25 3.3 V-out-PNP output /3.3 V-int input
08 GPIO08 3.3 V-out-PNP output /3.3 V-int input
07 GPIO07 3.3 V-out-PNP output /3.3 V-int input
01 GPIO01 3.3 V-out-PNP output /3.3 V-int input
GND GND Motherboard power signal ground
12 GPIO12 3.3 V-out-PNP output /3.3 V-int input
GND GND Motherboard power signal ground
16 GPIO16 3.3 V-out-PNP output /3.3 V-int input
20 GPIO20 3.3 V-out-PNP output /3.3 V-int input
21 GPIO21 3.3 V-out-PNP output /3.3 V-int input
3.3 3.3V DC3.3 V power supply
NC NC -- Temporarily not open
03 GPIO03 Occupied by SCL (serial clock line) in the I2C bus
04 GPIO04 3.3 V-out-PNP output /3.3 V-int input
GND GND Motherboard power signal ground
17 GPIO17 -- PAD serial port occupation
27 GPIO27 3.3 V-out-PNP output /3.3 V-int input
22 GPIO22 3.3 V-out-PNP output /3.3 V-int input
3.3 3.3V DC3.3 V power supply
10 GPIO10 3.3 V-out-PNP output /3.3 V-int input
09 GPIO09 3.3 V-out-PNP output /3.3 V-int input
11 GPIO11 3.3 V-out-PNP output /3.3 V-int input
GND GND Motherboard power signal ground
00 GPIO00 3.3 V-out-PNP output /3.3 V-int input
05 GPIO05 3.3 V-out-PNP output /3.3 V-int input
06 GPIO06 3.3 V-out-PNP output /3.3 V-int input
13 GPIO13 3.3 V-out-PNP output /3.3 V-int input
19 GPIO19 3.3 V-out-PNP output /3.3 V-int input
26 GPIO26 3.3 V-out-PNP output /3.3 V-int input
GND GND Motherboard power signal ground

​ Table 1-1 Functional interface group

Description: Figure 1-5 shows other functions of the interface. If other functions are used, the I/O function is unavailable.

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​ Figure 1-2

  • B. Power DC interface. It is a DC power socket with an outer diameter of 6.5 mm and an inner diameter of 2.0 mm; the 8.4V 5A DC power adapter provided by the manufacturer can be used to power the mycobot280.

  • C. Key switch: After pressing it, the internal power turnes on, and the key lights up with a white light; when it is pressed again, the white light turns off, so does the internal power.

  • D. Type C interface. It can be used to connect and communicate with the PC.
  • E. HDMI interface: This interface is HDMI type A interface. If you want to display the robot operation interface, show the operation page to other equipment terminals by connecting the HDMI display interface.

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​ Figure 1-3 HDMI interface

  • F. USB2.0 interface*2: it is an interface for data connection conforming to the standard of main interface of 2.0; The USB port is used to copy program files and connect peripherals such as mouse and keyboard.
  • G. USB3.0 port : it is an interface for data connection conforming to the standard of main interface of 3.0; The USB port is used to copy program files and connect peripherals such as mouse and keyboard.

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​ Figure 1-4 Defining USB ports

  • H. The network interface. They are (as shown in figure 1-5) ports for network data connection. Ethernet interfaces can be used for communication between a PC and a robotic system or for Ethernet communication with other devices.

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​ Figure 1-5 Network interface definition

  • I. Micro USB interface: it is an interface for data connection conforming to the standard of main interface of 2.0; users can use the Android cable to copy program files.

2 Electrical Interface of the End

2.1 Introduction to the End

  • A. Figure 2-1 and Figure 2-2 show the side interfaces of the end.

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​ Figure 2-1 Side view of the end of the manipulator

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​ Figure 2-2 Side view of the end of the manipulator

2.2 Terminal Electrical Ports

  • A. Figure 2-3 shows the definition of each interface in a function interface group.
Tag Signal name Function Note
5V0 5V0 Power supply, DC5V
GND GND Motherboard power signal ground
3V3 3V3 DC3.3 V power supply
22 GPIO22 3.3 V-out-PNP output /3.3 V-int input
19 GPIO19 3.3 V-out-PNP output /3.3 V-int input
23 GPIO23 3.3 V-out-PNP output /3.3 V-int input
33 GPIO33 3.3 V-out-PNP output /3.3 V-int input

​ Figure 2-3 Functional interface group

  • B. Type-C interface. It is used to communicate with PC and update firmware.
  • C. Grove interface 4. Figure 2-4 shows the definition of Grove interface 4.

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​ Figure 2-4 Grove port 4

  • D. Interface of Steering Gear. It is used for expanding the end of the gripper, currently supporting the use of adaptive gripper.
  • E. Atom: Displaying 5X5 RGB LED (G27) and button function (G39).

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