{"id":976,"date":"2023-01-26T09:56:59","date_gmt":"2023-01-26T09:56:59","guid":{"rendered":"http:\/\/learnlearn.uk\/microbit\/?page_id=976"},"modified":"2023-02-08T10:34:01","modified_gmt":"2023-02-08T10:34:01","slug":"continuous-servos","status":"publish","type":"page","link":"https:\/\/learnlearn.uk\/microbit\/continuous-servos\/","title":{"rendered":"Controlling a continuous servo with the Microbit"},"content":{"rendered":"
\n

Introduction<\/h2>\n
\n\n

Introduction<\/h3>\n
\"\"

The FS90R servo can spin continuously, making it great for wheel control for smaller robots.<\/p><\/div>\n

In this experiment we are going to look at how we can control a continuous servo, a type of servo that can spin continuously. This type of servo is great is you want to\u00a0 control small wheeled robots or raise or lower winch cables on robots.<\/p>\n

Required Components<\/strong><\/p>\n

Microbit<\/a><\/p>\n

Jumper wires<\/a><\/p>\n

FS90R Servo<\/a><\/p>\n

 <\/p>\n\n<\/div>

Wiring<\/h2>\n
\n\n

Wiring Diagram<\/h3>\n

\"\"<\/p>\n\n<\/div>

Circuit<\/h2>\n
\n\n

Circuit Diagram<\/h3>\n

\"\"<\/p>\n\n<\/div>

Code<\/h2>\n
\n\n

Microbit Blockly Code<\/h3>\n

In order to control to the servo you will need to import the servo extension first.<\/p>\n

\"\"<\/p>\n

Then you can add the following code and download it to your Microbit:<\/p>\n

\"\"<\/p>\n\n<\/div>

Challenge 1<\/h2>\n
\n\n

Challenge 1 – Random Spinner<\/h3>\n

Can you adapt the code so that when you shake the Micro:bit it spins in a random direction at a random speed for 1 second?<\/p>\n

 <\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n\n<\/div>

2<\/h2>\n
\n\n

Challenge 2 –\u00a0Speed changer<\/h3>\n

Can you adapt the code so that when you press the A button the servo speeds up, when you press the B button the servo slows down and when you press A+B the servo stops<\/p>\n

 <\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n\n<\/div>

3<\/h2>\n
\n\n

Challenge 3 – Tilt power<\/h3>\n

Can you adapt the code so that the servo spins clockwise or anticlockwise depending on whether you are tilting the Micro:bit left or right. The more it tilts the faster it should go?<\/p>\n

 <\/p>\n

 <\/p>\n

\"\"<\/p>\n

Note: <\/b><\/span>The servo has a power setting between -100 and 100 but the accelerometer has values between -1024 and 1024. How can you convert these values?<\/span><\/p>\n

<\/h3>\n\n<\/div>

Resources<\/h2>\n
\n\n

Resources<\/h3>\n

Printable Worksheet<\/p>\n

 <\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

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Required Components Microbit Jumper wires FS90R Servo  … Read More »Controlling a continuous servo with the Microbit<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"on","neve_meta_content_width":82,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":""},"yoast_head":"\nControlling a continuous servo with the Microbit - Microbit - LearnLearn.co.uk<\/title>\n<meta name=\"description\" content=\"Introduction In this experiment we are going to look at how we can control a continuous servo, a type of servo that can spin continuously. 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