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A 5K Rotary Potentiometer shown with a pencil for scale.

5K Potentiometer - Rotary

$0.95
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USB 2.0 Cable 10 Foot Type A Male to Type B Male

USB 2.0 Cable Type A Male to Type B Male - 10 FT

$4.80
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3 Foot USB Cable Type A to USB Cable Type A

USB Cable Type A Male to USB Type A Male - 3 FT

$2.65
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Type K Thermocouple Temperature Sensor

Type K Thermocouple - Temperature Sensor

$4.95
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Tumbnail: 62 oz-in NEMA 17 Stepping motors (also called stepper motor)

NEMA 17 Stepping Motor (62 oz-in 5mm single shaft)

$19.95
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Image of the Atmega324p

Atmega324P

$8.50
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10K timmer potentiometer

10K Trimmer Potentiometer (Through Hole)

$0.85
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16x2 LCD (Liquid Crystal Display)

16x2 LCD (Liquid Crystal Display)

$12.50
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Rotary Encoder

12mm Rotary Encoder 12mm Rotary encoder top view 12 mm rotary encoder bottom view Width of one side of the rotary encoder measuring 12.7 mm. Width of the other side of the rotary encoder measuring 12.38mm. Diameter of the shaft bushing of the rotary encoder measuring 6.79 mm.
12mm Rotary Encoder 12mm Rotary encoder top view 12 mm rotary encoder bottom view Width of one side of the rotary encoder measuring 12.7 mm. Width of the other side of the rotary encoder measuring 12.38mm. Diameter of the shaft bushing of the rotary encoder measuring 6.79 mm.

Introduction:

Put a knob on this and keep it spinning. This can be used as a selector device and can continuously turn.

Description:

Rotary encoders like this is generally used as a device to select options on a control panel. As you turn the encoder, you can expect to get a pulsing and you can determine the direction that it is turning and how many pulses to determine how far the knob is turned.

The product is considered 12 mm, but make sure to take a look at the images to see the actual dimensions.

Rotary Encoder

$2.50
Qty:

Learn about the Rotary Encoder

A general explanation of the uses and applications of microcontrollers. Microcontrollers can be used to: sense the environment using sensors, control other components with general purpose output pins,...
Introduction to the Atmel Atmega32 AVR microcontroller and the pin assignments (what each pin of the chip does). The pins include PORTs (PORTA, PORTB, PORTC and PORTD) and 8 pins for each port, ADC (...
Introduction to the concept of transfering a program from the computer to the microcontroller using a programmer like the USBTiny.
Introduction to programmers line the USBTiny and the Pocket AVR and that this device is plugged into the computer and to the microcontroller (chip) to transfer the program from the computer to the mic...
Introduction to SPI (Serial Peripheral Interface) and which pins are connected together (pinout) from the microcontroller to the specific SPI pin functions (MISO,MOSI,SCK,Reset, VCC and GND).