Electrical Interface of myCobot 280 M5 Pi 2020

1 Introduction

1.1 Pedestal

  • A. Figure 2.1.2.2-1 shows the front ports and buttons of the pedestal:

    2.1.2.2-1

    Figure 2.1.2.2-1 Front view of the base

    • ① Switch
    • ② Functional Interface Group 1
    • ③ USB2.0 , USB3.0
    • ④ DC Interface of power
    • ⑤ The network interface
  • B. Figure 2.1.2.2-1 Showing the ports on the side of the base:

    2.1.2.2-2

    Figure 2.1.2.2-2 side of base

    • ① SD card slot
    • ② Type C interface
    • ③ HDMI interface
    • ④ Headphone jack

1.2 Introduction to Bottom Electrical Interfaces

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

  • A. Table 2.1.2.2-1 shows the definition of each interface of the functional interface group 1.
Table 2.1.2.2-1
Label Signal Type Function Remark
5V 5V P DC 5V
5V 5V P DC 5V
GND GND p GND
NC NC - - Currently not supported
NC NC - - Currently not supported
18 GPIO18 I/O GPIO18
GND GND p GND
23 GPIO23 I/O GPIO23
24 GPIO24 I/O GPIO24
GND GND p GND
25 GPIO25 I/O GPIO25
08 GPIO8 I/O GPIO8
07 GPIO7 I/O GPIO7
01 GPIO1 I/O GPIO1
GND GND p GND
12 GPIO12 I/O GPIO12
GND GND p GND
16 GPIO16 I/O GPIO16
20 GPIO20 I/O GPIO20
21 GPIO21 I/O GPIO21
3.3 3.3V P DC 3.3V
NC NC - - Currently not supported
03 GPIO3 I/O GPIO3
04 GPIO4 I/O GPIO4
GND GND p GND
17 GPIO17 I/O GPIO17
27 GPIO27 I/O GPIO27
22 GPIO22 I/O GPIO22
3.3 3.3V P DC 3.3V
10 GPIO10 I/O GPIO10
09 GPIO9 I/O GPIO9
11 GPIO11 I/O GPIO11
GND GND p GND
00 GPIO0 I/O GPIO0
05 GPIO5 I/O GPIO5
06 GPIO6 I/O GPIO6
13 GPIO13 I/O GPIO13
19 GPIO19 I/O GPIO19
26 GPIO26 I/O GPIO26
GND GND p GND

Notice:

  1. I/O: This function signal includes input and output combination.

  2. When the single tube corner is set as the output terminal, it will output 3.3V voltage.

  3. The source current of a single tube angle decreases with the increase of the number of pins, from about 40mA to 29mA.

  4. If a certain GPIO is set to the output mode and outputs a high level signal, the circuit connected to the LED is shown in Figure 2.1.5.2-3, and the LED will light up.

2.1.2.2-3

Figure 2.1.2.2-3

  1. In the case of using other functions, the IO function is unavailable, and the other function table of the function interface is shown in Figure 2.1.2.2-4.

2.1.2.2-4

Figure 2.1.2.2-4

  • B. Power DC interface: The myCbot280 is powered by a 6.5mm od, 2.0mm OD, and a manufacturer's 8.4V 5A DC power adapter.

  • C. Switch: Red means switch. I means powering on, while O means powering off.

  • D. USB2.0 interface. Serial port with the standard of main line for 2.0 interface. The USB port is used to copy program files and connect peripherals such as mouse and keyboard.

  • E. USB3.0 port (blue) : The port that uses serial bus 3.0 for data connection. The USB port is used to copy program files and connect peripherals such as mouse and keyboard.

    2.1.2.2-5

    Figure 2.1.2.2-5

  • F. The network interface: Ports for network data connection, as shown in figure 2.1.2.2-5. Ethernet interfaces can be used for communication between a PC and a robot system or for Ethernet communication with other devices.

    2.1.2.2-6

    Figure 2.1.2.2-6

  • G. HDMI port: The HDMI D-type port connects with the monitor. HDMI port 2 has a priority, and HDMI port 1 is recommended.

  • H. Type-C port: connecting to the PC.

  • I. SD card slot: The SD card can be inserted and removed. The size of the SD card is 32mm x 24mm x 2.1mm

2 Electrical Interface of the End

2.1 Introduction to the End

  • A. Figure 2.1.2.2-7 and Figure 2.1.2.2-8 show the side interface of the end:

    2.1.2.2-7

    Figure 2.1.2.2-7 Side view of the end of the robotic arm

    • ① Servo Interface
    • ② Atom

    2.1.2.2-8

    Figure 2.1.2.2-8 Side view of the end of the robotic arm

    • ① Functional InterFace Group 2
    • ② Grove
    • ③ Type C

2.2 Terminal Electrical Ports

  • A. The definitions of each interface of functional interface group 2 are shown in Table 2.1.2.2-2:
Table 2.1.2.2-2
Label Signal Type Function Remark
5V 5V P DC 5V
GND GND P GND
3V3 3V3 P DC 3.3V
G22 G22 I/O GPIO22
G19 G19 I/O GPIO19
G23 G23 I/O GPIO23
G33 G33 I/O GPIO33

Notice:

  1. I: input only.

  2. I/O: This function signal includes input and output combination.

  3. When the single tube corner is set as the output terminal, it will output 3.3V voltage.

  4. The source current of a single tube angle decreases with the increase of the number of pins, from about 40mA to 29mA.

  5. If a certain GPIO is set to the output mode and outputs a high level signal, the circuit connected to the LED is shown in Figure 2.1.2.2-9, and the LED will light up.

2.1.2.2-9

Figure 2.1.2.2-9

  • B. Type C interface: It can be used to communicate with PC and update firmware.

  • C. Grove interface : The definition of Grove interface is shown in Figure 2.1.2.2-10

  • 2.1.2.2-10

​ Figure 2.1.2.2-10 Grove

  • D. Servo Interface. It is used when expanding the gripper at the end, and currently supports the use of the matchable adaptive gripper.

  • E. Atom. Displaying 5X5 RGB LED (G27) and key function (G39).

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