FAQs on mBot

1. How to reset default programs of mBot in mBlock5?

Step 1 Download the latest mBlock software latest version in this link 

Decompress the file after download and install the mBock software on your PC.

Step 2 Connect mBot to PC with USB cable and turn on the mBot.

Step 3 Open mBlock software, click on “+” and choose mBot from device library. By the way, Codey is the default device and it is ok if you just delete it. If you also see “download icon” against mBot, please download it and reopen the software and add mBot here. Then click Settings > Update Firmware > select online firmware to update firmware or select factory firmware to reset default program.




2. How to change the speed of mBot?

If you control the mBot through IR remote controller with the factory default program, the 1-9 keys on the IR remote control are set to adjust the speed of mBot. 1 for slowest and 9 for fastest.



3. How long can mBot be used on a full charge?

Under the mode of fully charge and default patrol, mBot can work for 10 hours.


4. Is mBot compatible with Bluetooth and 2.4G connectivity?

Yes, mBot is compatible with both Bluetooth and 2.4G connection modes. But please note that this two kinds of modes cannot be used simultaneously.

5. How to use the 2.4G mBot?

mBlock 5 does not support 2.4G wireless connectivity, if you have the 2.4G one, please Download mBlock 3 and follow the following steps.
It contains two parts: a white adaptor plug into the computer USB portal, and a black electronic module plug into the mianboard, you can see the following picture.
1.Connect mBot to the computer with a USB cable, and proceed to the step of "install firmware".
2.Unplug the USB cable, insert the black 2.4G module into the robot mianboard, and turn on the switch to the ON position.
3.Press the button on the top of the 2.4G module, and the indicator will change from slow flashing to fast flashing.
4. Insert the white adapter into the computer when the 2.4G module indicator flashes quickly. At this time, you can see the indicator light is always on, which means that the pairing has been successful.
5.Please click [ connect->2.4G serial ->connect ]
6.After a successful connection, "2.4G serial connected" will appear in the upper left corner
7.Write your first online program, click on the green flag and let it run to see what happens.


6. How to match the Phone/ Tablet when I using more than one mBot?

If you use more than 3 mbots in the same room at the same time, you may be confused when connecting mBot and mobile App through bluetooth, because all the bluetooth named by Makeblock, which may cause wrong robot connecrion.  

Under this circumstance, please take the following one-to-one pairing step:

1. Leave one mBot on and the rest off

2. Use phone or tablet match the one you turn on, pair them one-to-one

3. The remaining mbots are also matched at the same ways


7. What's the differences between [online firmware] and [factory firmware]?

In order to improve the playability of the mBot, Makeblcok comes with a built-in default program.

  • Factory firmware: The factory has preset factory procedures for the robot, such as obstacle avoidance mode and line patrol mode. Users can switch modes by remote control or on-board buttons to experience the fun of the robot.
  • Online firmware: Mainly used in online mode programming scenarios. But the preset program takes up memory capacity on the main console, so the online firmware does not include the three preset modes found in the factory firmware, but provides more sensor support for online programming.  

8. How to charge the lithium battery for mBot?

mBot comes with a rechargeable lithium battery and a USB cable.

  1. Connect the lithium battery to the main control board.
  2. Connect each side of the USB cable to your PC and the main control board.
  3. It takes 3-4h till fully charged.

Note: output should not be higher than [5V 1A].

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