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Showing posts with label Microbit. Show all posts
Showing posts with label Microbit. Show all posts
New Microbit Version 2
I just bought Microbit V2 with new improvement. The Microbit has new features that makes it different with the old version. It adds with built-in speaker and microphone, so it can react for playing sound.
For more information about this Microbit, see this link.
For all features in Microbit, refer to this link.
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| Front View |
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| Back View |
Microbit for LED Blink Project with and without Keyestudio Extension
Keyestudio Microbit Sensor V2 shield
USB Cable
Keyestudio Digital White LED Module
Female-female jumper wires (3)
We already knew that Microbit has 25 (5x5) LEDs display on it. Now, by using Keyestudio Digital white LED Module and Microbit sensor V2 shield, we can control LED to blink, too.
First step is turn off the LEDs on the Microbit.
First step is turn off the LEDs on the Microbit.
Materials you need:
MicrobitKeyestudio Microbit Sensor V2 shield
USB Cable
Keyestudio Digital White LED Module
Female-female jumper wires (3)
Keyestudio Digital White LED Module
This LED Module can be used for light interactive projects. The spec of this module are:
Type: Digital
PH2.54 socket
Size: 30*20mm
Schematic:
How to:
Put Microbit into Keyestudio Microbit Sensor V2 shield. Plug LED module to Microbit Sensor shield. By using jumper wires, connect as follows:
1. Pin S in LED module to pin 9 in Signal in Sensor shield.
2. Pin + in LED module to Pin V1 in Sensor shield.
3. Pin - in LED module to Ground in Sensor shield.
Put Some Codes
Construct codes using Block Code through Microsoft Makecode.
Here I share my code in Makecode:
https://makecode.microbit.org/_7g5gwe8z5Cpz
Test the Code
Now plug the USB cable to Microbit and the result is LED will blink twice with sleep interval 1.5 seconds, and it always repeats.
Other project version without Keyestudio Extension
Without extension, pins that can be used in Microbit are pin 0, 1, and 2. so the different with the code is change the pin number. Previously, we use pin 9. Now, change it to pin 0. The rest of the code is the same with the project above.
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Micro:bit Overview Guide for Beginner
1. Button
What is Micro:bit?
Micro:bit is a mini component that has a size of a pocket, which initiates hardware and software work together to make some projects.
Here is the Micro:bit display:
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| Source: microbit.org |
Micro:bit Features
Front View:
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| Source: microbit.org |
1. Button
There are 2 buttons in Micro:bit in front features, which are button A and B. It can be used separately or combined to make Micro:bit working.
2. LED Display
There are 25 LEDs that in 5 x 5 grid. It can show images, numbers, and words. The LED display can also sensor light into the Micro:bit
3. Pins - 0, 1, 2
This is a pin for general purpose input-output (GPIO).
4. Pin - 3V
This is a pin for 3 Volt power to power electronics and external LED.
5. Pin - GND
This is a pin for ground.
Back View:
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| Source: microbit.org |
1. Radio & Bluetooth antenna
It can connect with other Micro:bit using Bluetooth and can also communicate by radio.
2. Processor & temperature sensor
Processor is the brain of the Micro:bit. It executes instructions. Moreover, it has a temperature sensor for measuring environment's temperature.
3. Compass
It measures magnetic field in 3 dimensions.
4. Accelerometer
It measures forces in 3 dimensions and gravity, so it can react when shaking or moving.
5. Pins
See pins description in the front view above.
6. Micro USB socket
This USB socket is used to power and download the code to Micro:bit from computer.
7. Single red LED
The LED will be flashed when downloading a program to Micro:bit.
8. Reset Button
This button is for reset or restart the Micro:bit.
9. Battery Socket
This socket for powering Micro:bit instead of using computer power.
10. USB interface chip
It is a interface chip for sending and receiving serial data to and from computer.
Code in Micro:bit
For Coding in Micro:bit, there are many editors can be used.
A. Microsoft Makecode
It is very simple and easy to start coding in Microsoft Makecode. It is online and free to use, just signing up. It uses block in coding and very beneficial for beginner. You drag and drop block to the editor or you can change the code in JavaScript language.
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| Source: microbit.org |
B. Python
You can make code for Micro:bit by using Python. It is best usage for deepen knowledge about programming language. You do not have to download python. It can be done through online.
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| Source: microbit.org |
C. Scratch
Other way to code the Micro:bit is by using scratch. You need to install the scratch to your computer that has a Bluetooth . Scratch is best use for children and adult, too.
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| Source: microbit.org |
D. Tinkercad
Now Tinkercad also offer coding the Micro:bit by drag and drop the component of Micro:bit and other electronic components to the work area. Moreover, you can use block code similar to Makecode and download your code to Micro:bit. For more information, click Tinkercad Blog.
Related projects of Micro:bit using Makecode block code:
For more information about Micro:bit projects and other features, visit: Microbit.org
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Microbit Magnet
For this activity, I used supplies as following:
Microbit
Battery holder + 2x AAA Batteries
1x Magnet
1x USB Cable (To upload the code)
Also, I used Microsoft Makecode Software.
There are two choices for coding in Makecode, which are blocks and JavaScript. I chose block because it is easier to use.
Usually, the Microbit needs compass calibration.
When I pressed button "B" (the right button), and the magnet was far, it showed a duck image.
I downloaded the code by clicking the download button and I connected the Microbit to the computer by plugging the USB Cable to the computer.
In the magnet challenge, I made a challenge using Microbit that behaved differently when a magnet is near the Microbit.
The Microbit showed different images when I press the buttons in the Microbit.
For this activity, I used supplies as following:
Microbit
Battery holder + 2x AAA Batteries
1x Magnet
1x USB Cable (To upload the code)
Also, I used Microsoft Makecode Software.
Program using Makecode software
First, I opened the Makecode software. This is the page when I created new project. Do not forget to rename the project.
There are two choices for coding in Makecode, which are blocks and JavaScript. I chose block because it is easier to use.
Program the Microbit
Here was my code. You could change the image as you desire.
Test the code
To test the code, I unplugged the USB cable from the computer. For Microbit to standalone, I plugged in battery holder with the battery inside it.Usually, the Microbit needs compass calibration.
Tilt the Microbit to fill the screen. After that, test the code. When I pressed button "A" (the left button), and the magnet was far, it showed a cow image.
While I pressed button "A" (the left button), and the magnet was near, it showed a giraffe image.
When I pressed button "B" (the right button), and the magnet was far, it showed a duck image.
While I pressed button "B" (the right button), and the magnet was near, it showed a target image.
Then, I copied the file that I downloaded previously into the Microbit .
That is my entire project for magnet challenge. I hope you like it. Thank you very much for reading my tutorial.
Updated on 12/24/2020:
This project was mentioned in Adafruit blog and this link.
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Smart Belt with Microbit
Wearing some gadget is very challenging. Honestly, in this project, I got help from my mom to sew the case for me because I cannot sew by myself.
Be careful when sew using sewing machine. If you never experience sewing with sewing machine, it is also fun doing this project by hand.
Smart Belt with Micro:bit can show many results when shaking,
tilting, and pressing the button on the Micro:bit.
It will show different
images and functions, such as temperature and compass direction. Without further ado, let's start this project.
Materials:
1x Micro:bit,
include 1x Battery holder, 2x AAA Batteries and 1x USB Cable
1x Sewing Machine
1x Thread
1x Needle
1x Belt
1x Seam
ripper
(it is used to cut remaining unnecessary thread)
1x Scissors
Fabric
Microbit Case
Prepare the sewing machine. Cut the fabric. The size that we want for the case is 4.5" x 3". Therefore, cut the fabric with the size of 5.5" x 6".
It leaves extra space for the length to sew on. The extra
space for sewing is 1", so divide it into two, which is ½" for sewing
on both side (left and right sides). Fold the fabric into two with the inner
side of fabric faces up (see the red line in Figure 1).
Sew the fabric with following the blue line in the figure 2. (Each width of the blue line is 1/2 ")
Turn the inner part of the fabric out, so the outer fabric becomes the outside of the case.
Check whether Micro:bit and
the battery holder fit in the case.
Trim the top edge of the case. Measure the micro:bit. The size is 2"x 1.5". Make the hole by cutting a rectangle shape of the front side of the case. The hole's measurement is 1.8" x 1.25". See figure 3.
Sew the Snap-on button in the case.
Belt loop
Sew with other fabric for forming a belt loop, so the belt can be inserted into the Microbit case.
Open new project in Makecode
Open the Makecode software. The software is online and free. Make sure you have internet connection when doing this.
When creating the project for the first time, it will show up the new project page. Rename the project and save it.
There are two choices for coding in Makecode, which are
blocks and JavaScript. You can choose which language you desire. I choose block
because it is easier to use.
Program the Microbit
Here is the code.
Download the code by clicking the download button at the bottom left of the screen. Connect the Micro:bit to the computer by plugging the USB Cable to the computer. Then, copy the downloaded to the Micro:bit.
The meaning of the code should be like the one shown in the picture.
Test the code
To test the code, unplugged the USB cable from the computer. For Micro:bit to standalone, plugged in battery holder with the battery inside it.
For compass, the Micro:bit needs calibration. Tilt the Micro:bit to fill the screen.
Press button A
Press button A
When pressed button "A" (the left button), it showed a sheep image. You can make image that you like. There are two ways for doing this. First, you can customize your image by clicking the "show leds icon" and second, you can choose the image option in "show icon". See the pictures.
Press button B
When pressed button "B" (the right button),
it showed a compass. Do not forget to calibrate the micro:bit first
by tilting the Micro:bit to fill the screen. If you move to other
direction, it will show different compass direction.
Press button A and B
When press both buttons (A+B), it shows room temperature. When I test the code, my room temperature is 72 degree Fahrenheit.
Tilt to the left
Tilt the Micro:bit to the left and it will show "L".
I made the image of "L" to
show that Micro:bit is tilting to the left.
Tilt to the Right
Tilt the Micro:bit to the right and it will show "R".
I made the image of "R" to show
that Micro:bit is tilting to the right.
Shake
Shake the Micro:bit and it shows "Hello!"
and image of duck. You also can customize the word or the image that I
have already explained in previous step.
Wear and Show off the Belt Gadget
Wear and Show off the Belt Gadget
Put the micro:bit and battery holder into the case. Insert the belt to loop. Wear the belt to your waist. Finally, start attempting to play around with the micro:bit. It is very fun.
I hope you like my instructable. Thank you very much for reading it.
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