Product details

Transbot expansion board

Robot Control Boards and Computing Components

Shenzhen Yahboom Technology Co., Ltd.

Transbot expansion board

About this product

Yahboom’s Transbot expansion board controls the robot’s motors, robotic arm, PWM servos, buzzer and lighting through a serial link with the host. The official manual specifies a 12 V battery input, two PWM servo connections, and parallel robotic-arm ports rated at 2.6 A. Cover image: Manufacturer reference illustration. A model-specific release date has not been verified.

Model
Transbot expansion board
Category
Robot Control Boards and Computing Components, Components

Specifications & evidence

Source-backed claims. Configuration, workload and evidence type matter when comparing products.

Attitude sensor axes

6 axes

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
㉒Six-axis attitude sensor: Provides the current pose information of Transbot to Jetson NANO.

Battery connector

T-type

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
④ DC 12V power supply T-type interface: be used to connect battery pack.

Battery supply voltage

12 V DC

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
④ DC 12V power supply T-type interface: be used to connect battery pack.

Dc auxiliary output rated current

0.5 A

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
⑲DC 5V power output: 5V DC voltage can be output, rated current: 0.5 A.

Dc auxiliary output voltage

5 V

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
⑲DC 5V power output: 5V DC voltage can be output, rated current: 0.5 A.

Firmware interface

Micro USB

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
⑦Micro USB interface: connect to the computer USB port, it cab be used update the firmware of the expansion board.

Host communication

Serial through 40-pin cable

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
A: Main control board sends data through the serial port, and then transmits the data to the MCU on the expansion board through the 40 Pin cable. The MCU automatically receives and parses the serial data.

Led searchlight control

Brightness adjustment

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
⑳OLED searchlight interface: connect to the LED searchlight, support adjusting the brightness of the searchlight.

Motor stall protection

Power disconnected on excess stall current; rechecked after 1 s

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
When the motor stall current is too large, the protection circuit will sound a whistle and automatically disconnect the power supply of the motor. When the power supply is restored after 1 second, the system will again determine whether the current motor status is normal, if motor still stall, it will automatically disconnect for another 1s.

Oled interface

IIC; I2C interfaces 1 and 2 connected in parallel

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
⑬OLED interface: IIC communication, I2C interface 1 and interface 2 are connected in parallel. It is connected to the physical pin 3, 5 of Jetson NANO.

Pwm servo interfaces

2 channels

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
㉑PWM servo interface: Two PWM servos can be connected, the yellow is the signal line, the red is 5V, and the black line is GND.

Pwm servo supply

5 V

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
㉑PWM servo interface: Two PWM servos can be connected, the yellow is the signal line, the red is 5V, and the black line is GND.

Robotic-arm interface rated current

2.6 A

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
㉔Robotic arm interface: Servo1 and Servo2 are connected in parallel, robotic arm can be connected to any one of them, rated current: 2.6 A.

Robotic-arm interface topology

Servo1 and Servo2 connected in parallel

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
㉔Robotic arm interface: Servo1 and Servo2 are connected in parallel, robotic arm can be connected to any one of them, rated current: 2.6 A.

Serial bridge

CH340C

Reported claim

Configuration: Transbot expansion board; Manufacturer specification for the identified bare controller board. Host computer, batteries, motors, servos, sensors and optional accessory bundles are separate unless explicitly stated.

Transbot expansion board: component distribution and firmware manual
③ Serial communication chip: onboard CH340C serial chip.

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