5. Scratch Programming

Here are some very basic programs you may try for yourself to start drone programming with Scratch and the Tello!

5.1. Hello, World!

Every programming attempt needs a Hello, world! example. This program simply lifts up the drone and tells it to land again.

Code

5.2. Going up and down

This program sends the drone up and then down.

Code

5.3. Left or right?

This program makes the drone fly left then right.

Code

5.4. Forward, then backward

This program flies the drone forward then backward.

Code

5.5. Turning around and around

How about rotating the drone clocwise cw then counter-clockwise ccw?

Code

5.6. Simple flight

Simple flying.

Code

5.7. Flip meow

Flip and meow!

Code

5.8. Flipping out

Can we make the drone flip out?

Code

5.9. Manual control

Can we manually control the drone? YES, WE CAN!. Note the following.

• up arrow flies forward

• down arrow flies backward

• left arrow flies left

• right arrow flies right

• q makes the drone take off

• w lands the drone

• a rotates the drone clockwise by 45 degrees

• s rotates the drone counter-clockwise by 45 degrees

Code

5.10. Spicy manual control

Let’s spice it up with manual controls! Sounds + motion with the cat!

Code

5.11. Square

Too square!

Code

5.12. Square flips

A square with flips!

Code

5.13. Spaceship

A UFO spaceship?

Code