# 1. Product introduction
**KS0356 keyestudio Micro:bit Mini Smart Robot Car**

## 1.1 Product Description
Here comes the educational robot based on Micro:bit programming. Micro: bit is an ARM structure microcontroller designed by BBC. It is only half size of a credit card, onboard comes with Bluetooth, accelerometer, compass, three buttons, 5x5 LED matrix, mainly used for teens programming education.
The Micro:bit Mini Smart Robot Car integrates ultrasonic and infrared obstacle avoidance as well as line following. Also comes with a passive buzzer for playing music. Moreover, supply the power by 18650 batteries, supporting charge when run out of power. You will be able to adjust the motor speed.
This micro:bit robot is a perfect toy for kids to start learning robotics. The plug-and-play allow children to quickly learn graphic programming in entertaining, nurturing children's interest in science and logical thinking.
Note: **we adopt V1.5 micro:bit in the whole tutorial, but our tutorial is also compatible with the latest version micro:bit.** When doing experiment with latest micro:bit, you need to transfer code into Makecode online editor first, save code again then download it to micro:bit.
## 1.2 Specifications
- Voltage: 4.2-5.5V
- Current: USB power supply or power supply with a capacity greater than or equal to 1A
- Maximum power: maximum output power is 5W
- Operating temperature range: 0-50 degrees Celsius
- Dimensions: 120 * 90.7mm
- Environmental attributes: ROHS
## 1.3 Packing List
| No. | Item | Quantity | Picture |
| ---- | ------------------------------------------------------------ | -------- | -------------------- |
| 1 | Micro:bit main board | 1 |  |
| 2 | keyestudio Micro:bit smart robot shield (Black and Eco-friendly) | 1 |  |
| 3 | Keyestudio line tracking sensor (Black and Eco-friendly) | 1 |  |
| 4 | HC-SR04 ultrasonic sensor | 1 |  |
| 5 | JST PH2.0MM-5PIN double-head cable length 55MM | 1 |  |
| 6 | W420 steel universal wheel | 1 |  |
| 7 | 18650 red battery 3500mah (self prepare) | 1 |  |
| 8 | N20 motor wheel
diameter:43mm;
width: 19mm ;
hole diameter: 3mm type D
ABS plastic + rubber yellow | 2 |  |
| 9 | M3 Nickel plated nut | 2 |  |
| 10 | Single pass M3*6mm+6mm hex copper pillar | 2 |  |
| 11 | M3*6MM round-head screw | 2 |  |
| 12 | yellow-black handle 3*40MM phillips screwdriver | 1 |  |
| 13 | USB cable
A/MICRO OD: 4.0
Black with magnetic spring
L=1.2m
Eco-friendly | 1 |  |