Intro to Robotics: What Extra Equipment is Needed?

In this video Julie walks you through what you will need, in addition to the curriculum and kit, to work through the Intro to Robotics program.

Projects to Do After Completing Level B

Once you have completed Level B, you will have a significant amount of electronic and coding skills you can use to tackle projects you may find online. 

What Will You Learn in Level B?

Ready to take your electronics and coding skills to the next level? In this video, Julie walks you through the components, electrical concepts, and code you will learn to work with in Intro to Robotics Level B.

Homeschooling High School Robotics

Learn how to teach your high school student electronics, coding, and robotics at home--even if you don't have any experience!

Homeschooling Middle School Robotics

Learn how you can teach electronics, coding, and robotics to your middle school student, at home--even if you don't have any experience!

Level B: Infrared Obstacle Sensors

In Level B you will learn to work with an infrared obstacle sensor as well as a level shifter. In this video, an infrared obstacle sensor is emitting infrared waves and watching for them to be reflected off an object. Reflection only happens if an object is fairly close in front of the sensor.

Level B: Capacitive Touch Sensors

In this project, a capacitive touch input is wired into the Raspberry Pi to control whether an LED is on or off. For the sensor to function properly, we need to touch a conductive metal (in this case aluminum foil)—attaching the sensor to something like wood or plastic wouldn’t allow for proper conductivity.

Level B: Using a Potentiometer to Control the Brightness of an LED

In this project, we’ve set up the same basic monitoring system as we used for the phototransistor project (link): the analog-to-digital converter is keeping an eye on the voltage flowing through the potentiometer. The difference here though is that based on the voltage flowing, instead of just turning the LED on or off, we are using pulse width modulation to drive the LED. This allows us to control the brightness from fully off to fully on, to anywhere in between.

Level B: Using a Phototransistor to Control an LED

In this project, the phototransistor is connected to an analog-to-digital converter. The analog value of the sensor is being monitored using Python programming including the if/else statements you learned to use in Level A. When the analog value of the sensor goes above a set value, the LED turns on.

Level B: Temperature Sensors

Temperature sensors can be connected to the Raspberry Pi and set up to output the reading to a display, text message to your phone, to a CSV file (like Excel or Google Sheets), or to tweet out temperature updates on Twitter.

Level B: Working with RFID

In Level B you learn to work with RFID which stands for radio frequency identification. 

Level B: Working with a Matrix-style Keypad

The matrix-style keypad is taught in Intro to Robotics Level B. The keypad can be programmed to accept input that can be used to turn a program on or off. It can also be used to activate a component or trigger another action.
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