Servo motor controlled by potentiometer with Arduino

1

Servo motor controlled by Pulse Width Modulation from an Arduino

Questions:

1. We add delay so we can see the incremental changes on the servo motor. Without delay, it would appear to move fluidly.

2. to get a 45 degree rotation, you must simply write toyServo.write(45);

3. It can... see my toy assignment for proof!

Transistor controlled by Arduino

Transistor as Amplifier

Questions:

1. Maximum resistance makes the sensor less sensitive. Minimum resistance makes the sensor more sensitive.

Transistor as Switch

Questions:

1. Because it is connected to a 10k Ohm resister instead of a 560 Ohm Resistor.
2. 1st Led = .005 I, 2nd Led = .0089I.

Temperature Sensor and LED Circuit with Arduino

Force-sensitive Resistor and LED with Arduino

Questions:

1. This sensor could definitely improve accessibility for handicapped people in a number of ways. Two examples would be: A. Using the sensor to activate an automatic door for someone in a wheelchair. Using the sensor to communicate for someone who has lost a lot of movement and can only move their hands.