Review by Dr Jennifer Martay
Note: Keyestudio sent me this robot car kit for free in exchange for my independent feedback on the kit. My opinions in this video and my article (articlesbyaphysicist.com/robot...) are solely my own and have not been influenced by Keyestudio.
This Keyestudio robot car is based on the BBC Micro:bit. The many capabilities of the Micro:bit are introduced first. Then various features of the robot car are explained. I created my own MakeCode by dragging and dropping blocks as shown in the instructions (I did not use the provided hex files).
This robot car uses infrared sensors to track a line and ultrasound sensors to object track or object avoid. The car can also be controlled using an infrared remote control (move forward, backward, rotate clockwise, rotate counterclockwise) or from an app downloaded onto a phone (move forward, backward, rotate clockwise, rotate counterclockwise, combination of front/back and sideways, slide sideways, control multi-color LEDs under and in front of car, line track, object avoid, object track).
Issues/Problems I had with the kit:
-I had to cut the ultrasound sensor's connector to the shield because the male and female sides of the connector were different sizes.
-I could not get the first Bluetooth program (Project 12) to work. Instructions were provided for Apple phones, but I could not get my Android phone to work.
-I had to use a different 6xAA battery pack to power most of the car's features (used the 7-9V pin). The provided battery pack did not seem to connect to the rest of the car.
-I had to change the infrared remote control code to use pin 0 (P0), not pin 9 (P9).
Keyestudio's build instructions and codes are provided on their website:
wiki.keyestudio.com/KS4034(KS...
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