Getting Started

Battery Usage and Charging

The Maqueen PlusV2 AA battery version supports 1.5V AA batteries and 1.2V Ni-MH rechargeable AA batteries. Please be careful not to use AAA batteries. AA batteries are available in most supermarkets. It should be noted that the 1.5V alkaline battery is disposable and cannot be recharged, otherwise it may explode or catch fire.

Ni-MH rechargeable batteries are safer than lithium batteries and are less prone to explosion and fire. The voltage is 1.2V per cell. The size of the Ni-MH battery is the same as that of the AA alkaline battery. There is no onboard charging circuit designed on Maqueen Plus V2.0, considering that it is dangerous if the user accidentally recharges the alkaline battery. Therefore, if you need to use Ni-MH batteries, you need to buy Ni-MH rechargeable batteries and charger sets.

Note: Please pay attention to the polarity when installing battery.

If you have purchased the Maqueen V2 with the 18650 battery version, you can use the included battery strap to wrap around the battery.

Turn off the battery board, close the switch, and place the battery in the battery compartment according to the corresponding positive and negative poles.When the need arises to remove the battery, grasp the battery strap enveloping it and gently extract it.

Note: It is prohibited to pry the 18650 battery from the battery compartment using screwdrivers, tweezers, or other metal tools. When installing the battery, pay attention to the positive and negative pole directions, and when removing the battery, the battery board should be turned off.

Quick Start Guide

Step 1. Install battery

Step 2. Plug in the ultrasonic sensor

Step 3. Insert the micro:bit board

Step 4. Connect the board to a PC via USB cable

Step 5. Click the sample program link, select "Edit" on the opened webpage, and download program into micro:bit.

Sample Program: https://makecode.microbit.org/_dshFJ6f3gfaK

Step 6. Unplug the USB cable and turn on the power switch.

After the above operations, we downloaded an automatic obstacle avoidance robot program to the board. Put Maqueen Plus on the ground, it will automatically drive forward and automatically detect whether there are obstacles within 30cm in front. If there are obstacles, Maqueen Plus will automatically turn around to avoid obstacles and continue driving.

Link-tracking Sensor Calibration for Maqueen V2.0

The line-tracking sensor has been calibrated before leaving the factory, and you do not need to calibrate it again. Just like the reset button of digital products, you don't need to use it in most cases. Incorrect calibration methods can also cause the line-tracking sensor to fail.

If you find that the line-tracking sensor does not recognize the black lines that can be recognized normally, then you can try to calibrate it. Methods as below:

1. Place the car on the black block of the map which delivered with the product, and make sure that the 5 sensors are in the black area. as the picture shows:

   

2. Long press the calibration button for about 1 second. At this time, the car lights flash and the calibration is completed.

   

3. Check the calibration result: when the calibration done, place the line-tracking sensor in the black area, the line-tracking indicator is on, and the indicator is off in the white area, indicating that the calibration is correct.

Buzzer Switch for Maqueen V2.0

When you don't need to use the buzzer, but you want to use the P0 port, or use the micro:bit V2 motherboard, you can use this switch to turn off the buzzer. The picture shows the state of turning on the buzzer. Flick to the other side to turn off the buzzer sound.