Insert the micro:bit into keyestudio micro:bit sensor V2 shield. Then connect the analog rotation module to keyestudio micro:bit sensor shield. Connect signal pin to P0, + pin to V1 header, - pin to ground. Insert the sensor into the soil of your plants. Read the analog value on signal end. The greater the soil humidity, the greater the analog value. This TEMT6000 light sensor is mainly composed of a high visible photosensitive light (NPN type) triode. It can capture the tiny light changes and magnify it about 100 times, which is easily recognized by the microcontroller for AD conversion.

This analog sensor-MQ3 is suitable for detecting the alcohol. It can be used in a breath analyzer. It has a good selectivity because it has higher sensitivity to alcohol and lower sensitivity to Benzine.The rotation angle of servo is controlled by regulating the duty cycle of the PWM(Pulse-Width Modulation) signal. The standard cycle of the PWM signal is fixed at 20ms (50 Hz), and the pulse width is distributed between 1ms-1.5ms. The pulse width corresponds to the rotation angle ( 0°～90°). This shield is very easy for microbit wiring. It breaks out the PI0 ports in the form of 3Pin (GND, VCC, PI0), easy to connect other sensor modules. Also with communication interfaces, like serial port、I2C and SPI pin headers. The main component used in this sensor is A3144E. This hall magnetic sensor can be used to detect a magnetic field, outputting Digital signal. It can sense the magnetic materials within a detection range up to 3cm.

Done wiring and powered up, send the code to MICROBIT. When the reed sensor detects a magnetic field nearby, you should see the LED matrix of micro:bit show the icon like a heart. Or else, it will show the icon like this. Located in Shenzhen, the Silicon Valley of China, KEYES DIY ROBOT CO.,LTD is a thriving technology company dedicated to open-source hardware research & development, production and marketing. Keyestudio is a best-selling brand owned by KEYES Corporation, our product lines rang from Arduino boards, shields, sensor modules, Raspberry Pi, micro:bit extension boards and smart car to complete starter kits designed for customers of any level to learn Arduino knowledge. Done wiring and powered up, send the code to MICROBIT. When sensor detects the movement of someone nearby, 25 LED matrix of micro:bit will show the icon like a heart. Or else, it will show the icon like this. Insight Resources Mr Bit is an online educational coding platform that also features sections devoted to some of our key micro:bit accessories, including this kit. To access these resources, please visit; You should see the value is shown on the LED matrix of micro:bit. Or you can open the serial monitor of Arduino IDE to get the value. Shown below.Insert the micro:bit into keyestudio micro:bit sensor V2 shield. Then connect the analog gas sensor to keyestudio micro:bit sensor shield. Connect VCC to V1 header, ground to ground, A0 pin to P0 header. In this project, you will learn how to play music with keyestudio passive buzzer module. We are going to complete two experiments. Insert the micro:bit into keyestudio micro:bit sensor V2 shield. Then connect the vibration sensor and LED module to the shield. Connect the signal pin of vibration sensor to Analog P0. Insert the micro:bit into keyestudio micro:bit sensor V2 shield.Then connect PIR motion sensor to micro:bit sensor shield, connect S pin to S0 pin header, + pin to V1 header, - pin to ground. Shown below.

The BBC micro:bit is the spiritual successor of the BBC Micro of the 1980s, which itself introduced a generation of children to computing. The BBC micro:bit carries on this decades 30-year tradition and does it 18 times faster and it's also 70 times smaller than its predecessor. In this project, you will learn how to use a soil sensor and micro:bit to detect the humidity of your plants’ soil. Display the analog value on the micro:bit LED matrix or on the serial monitor. The greater the humidity, the greater the analog value. Done wiring and powered up, send the code to MICROBIT. When flame sensor detects the fire nearby, the buzzer module will sound immediately. If no fire detected, the buzzer not beeps.

Insert the micro:bit into keyestudio micro:bit sensor V2 shield. Then connect the LM35 sensor to keyestudio micro:bit sensor shield. Connect signal pin to P0 header, +pin to V1 header, ground to ground. This keyestudio red LED module has 3 Pins; - pin is connected to ground, + pin is connected to VCC（3.3-5V）, S pin is for signal control; you can set the High or Low level to control the LED on and off. Insert the micro:bit into keyestudio micro:bit sensor V2 shield.Then connect RGB LED module to micro:bit sensor shield, separately connect the B, R,G pin to P0, P1, P2 Analog Input header, ground pin to ground. A digital compass is an input sensor that detects magnetic fields. Your BBC micro:bit has an inbuilt compass that can detect the direction in which it is facing One is to directly control the High and Low level input of micro:bit P0 end, set two square waves to control the buzzer sound. The other is to use the software's own function, input the square waves of different frequencies and different lengths on the P0 end. Finally make the buzzer module play the song "Ode to Joy".

Rotate the potentiometer, you should get the value change shown on the LED matrix of micro:bit. Or you can open the serial monitor of Arduino IDE to get the value like this: So in this experiment, we are about to use a water sensor and a buzzer module to detect the water level in the glass, if beyond level, buzzer should make an alarm.Insert the micro:bit into keyestudio micro:bit sensor V2 shield. Then connect the TEMT6000 light sensor to keyestudio micro:bit sensor shield. Connect the signal pin to P0 header, +pin to V1 header, ground to ground. Radio is a way of sending and receiving messages and BBC micro:bits can use radio waves to communicate with each other The light breath experiment is a little bit similar to the previous project. This time we connect the keyestudio LED module to the sensor shield. Connect the Signal pin of LED module to P0 of micro:bit. From the Pinout diagram of microbit, you can get the P0 can be used as Analog IN. This lesson you will learn how to control the brightness of LED on the module, gradually becoming brighter and dimming, just like the LED is breathing.