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Multifunctional robot with 2WD chassis with a controller in the form of a micro:bit educational module. It is a universal mobile platform that can track the line and find and avoid obstacles. Waveshare KitiBot for micro:bit Acce B
KitiBot is a multifunctional robot with a 2WD chassis with a controller in the form of a micro:bit educational module. It is a universal mobile platform that can track the line and find and avoid obstacles. The set can move both in autonomous mode and be remotely controlled by a mobile application and a Bluetooth interface or a 2.4 GHz radio module.
Attention!
The set does not include the micro:bit module and the 18650 battery. It must be purchased separately. Only 18650 batteries shorter than 67 mm are compatible with the set.The set consists of a complete chassis that allows the construction of a mobile robot using a 2WD system powered by two DC motors. An expansion board is attached to the housing to which the micro:bit module and battery are plugged in. In the front part of the robot there is an ultrasonic sensor mounted on the servo mechanism, thanks to which it can rotate and search for obstacles in its surroundings. On the bottom of the housing, there is a module with reflection sensors that allows the robot to carry out the line tracking function.

The central element of the robot is the KitiBot expansion module. It not only allows you to connect the micro:bit control module to the robot, but has a built-in power supply and charging system based on the MP2636 chip and Li-Ion 18650 battery. The board has a number of protections including overload, overcharge and discharge, short circuit or reverse power polarity. The DC motors are controlled by the TB6612FNG double H bridge system, and the servo movement is handled by the PCA9685 PWM controller. There is also a 10-bit ADC, buzzer and 4 RGB LEDs at the user's disposal.

| 1. micro:bit connector | 9. ADC converter TLC1543 |
| 2. MCP2636 power management | 10. LED RGB |
| 3. Circuit protection (MOSFET N 8205S) | 11. Li-Ion 18650 holder |
| 4. Li-ion battery protection | 12. Power supply switch |
| 5. Voltage regulator 3,3 V | 13. microUSB connector |
| 6. Buzzer | 14. LED indicators |
| 7. PWM Controller PCA9685 | 15. Servo and sensor connectors |
| 8. DC motor controller TB6612FNG | 16. Motor connectors |
The robot is programmed using the popular MakeCode block interface or in JavaScript. The KitiBot kit includes a dedicated set of libraries that facilitate the control of robot elements. Full documentation with assembly instructions is available on the product Wiki page.

Manufacturer
Responsible person
18650 Li-Ion battery with a nominal voltage of 3.7V and a capacity of 3000mAh. Sony US18650VTC6
Educational micro:bit module with 32-bit ARM Cortex-M4 microcontroller. Manufactured to interest the youngest in computer engineering. SparkFun DEV-17287
The digital-to-analogue module (DAC) allows you to generate an analog signal, it has a built-in MCP4725 chip. MOD-53
No product available!
The ADC module allows you to measure the voltage and provide the result in digital form, it has a built-in 4-channel ADS1015 transmitter. Modally MOD-55
No product available!
The ADC module allows voltage measurement and output in digital form, it has a built-in 4-channel ADS1115 converter. MOD 56
No product available!
The DC motor driver module makes it possible to control the speed and the direction of rotation using the PWM signal, it has a built-in DRV8835 system. MOD-57
No product available!
The DC motor driver enables control of speed and direction of rotation, it has a built-in DRV8830 system. MOD 58
No product available!
ADC analog-to-digital converter module allows voltage measurement and digital output, has built-in MCP3208 chip. MOD 59
No product available!
The module enables wireless communication using Bluetooth technology in version 2.1. It has a built-in RN-42 chip with UART interface. MOD 60
No product available!
The module enables wireless communication using Bluetooth\'s Low Energy version 4.0. or Bluetooth BR / EDR, it has a built-in BM77SPPS3MC2 chip with a UART interface. MOD-62
No product available!
The module allows measuring the magnetic field in three XYZ planes, equipped with an HMC5883L sensor with an I2C interface. MOD-63
No product available!
The Explore magnetometer allows you to measure the magnetic field in three planes XYZ, equipped with a digital MAG3110 sensor. MOD 64
No product available!
Module for measuring position changes in space using a built-in sensor with 9 degrees of freedom, equipped with an LSM9DS0 system with a 3-axis accelerometer, a 3-axis gyroscope and a 3-axis magnetometer. MOD 65
No product available!
The plate allows the detection of gestures, similar objects at a distance of a few to several centimeters and the intensity of ambient light, equipped with an APDS-9960 system with an I2C interface. MOD-66
No product available!
The GPIO Expander board allows you to extend the project with an additional 16 I / O signal lines, equipped with an MCP23017 chip with an I2C interface. MOD-67
No product available!
Digital altimeter with barometer and temperature sensor, equipped with MPL3115A2 system with I2C interface. MOD-69
No product available!
Bipolar stepper motor driver for speed and direction control with built-in A4982 system. MOD-70
No product available!
The board generates 16 PWM signals and communicates using the digital I2C interface, it has a built-in PCA9685 chip. MOD 71
No product available!
Multifunctional robot with 2WD chassis with a controller in the form of a micro:bit educational module. It is a universal mobile platform that can track the line and find and avoid obstacles. Waveshare KitiBot for micro:bit Acce B