HOW to Make Traffic Light Beep with Kidsuno

By r August 5th, 2024 27 views

1. Introduction

Today, I was walking home from school when I saw the traffic light beep at the intersection. Can we add a sound to the traffic light module? Let’s take a look at the tools first.

2. Components


Kidsuno Mainboard×1	Traffic Light Module×1	Active Buzzer×1

Connection Wire×2	USB Cable×1	Sound of Traffic Light×1

3. Assembly Steps

Download the PDF follow the link：Sound of Traffic Lights Assembly

Or you can Watch the assemble video ：

4. Function: Make the Active Buzzer Sound

5. Wiring Diagram

Connect the mainboard and computer via a USB cable, and connect the traffic light module to the No.1 interface of the mainboard and the active buzzer to the No.9 interface of the mainboard.

6. Write the Program

① Drag the instruction block in the Events module to the script area.

② Drag the instruction block in the Pins module to the script area. Since the interface of the active buzzer module is connected to the D10 pin of interface 9 on the mainboard, then change the number 0 to 10 and the input to output.

③ Drag the instruction block in the Pins module to the script area and change the number 0 to 10.

④ Complete Program

7. Test Result

Click to upload the complete program to the kidsuno mainboard and power up, then the active buzzer will sound. It seems pretty amazing, right?

8. Function: Make the Active Buzzer Beep

9. Write the Program

① change the high in the previous program to low.

② Drag the instruction block in the “Control” module to the script area.

③ Drag the instruction block in the Pins module to the script area and change the number 0 to 10.

④ Drag the instruction block in the Control module to the script area. The number 1 can be changed to other numbers. Here, the number 0.5 is taken as an example.

⑤ Copy the code string once and change high to low .

⑥ Complete Program

10. Test Result

Click to upload the complete program to the kidsuno mainboard and power up, then the active buzzer will beep. It seems pretty amazing, right?

11. Function: Sound of Traffic Lights

12. Flow Chart

First the three LED lights will be off the buzzer will not beep, then the buzzer beeps and the red light flashes for 5 s then goes off , then the yellow light flashes for 3 times then goes off, then the green light will be on for 5 s then go off.

13. Write the Program

① Find the instruction blocks

（1）

（2）

（3）

② Complete Program

14. Test Result

Click to upload the complete program to the kidsuno mainboard and power up, then the buzzer beeps and the red light flashes for 5 s then it won’t beep and the light will be off , then the yellow light flashes for 3 times then goes off, then the green light will be on for 5 s then go off.