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Misc.

DS19990A iButton
DS19990A iButton

DS19990A iButton

Pin Identification and Description No: Pin Name Description 1 Signal/IO
MicroSD Card
MicroSD Card

MicroSD Card

Pin Configuration Pin Number Pin Name In SD Mode In SPI Mode
Breadboard
Breadboard

Breadboard

Features and Specifications 2 Distribution Strips, 200 tie-points 630 tie-points in IC/ circuit areas ABS plastic with color legend Dimension: 6.5*4.4*0.3 inch Hole/Pitch Style: Square wire holes (2.54mm) ABS heat D
Crystal Oscillator
Crystal Oscillator

Crystal Oscillator

Crystal Oscillators have two leads, there is no polarity for crystals and hence can be connected in both directions.
8 Ohm 10W Speaker
8 Ohm 10W Speaker

8 Ohm Speaker

Features and Specification Nominal Size: 20 mm Impedance: 8 Ohm ± 15% at 1 KHz 1V Resonant frequency: 750 Hz± 150 Hz at 1V Sound pressure level: 86 dB/w ± 3 dB Response: 10 dB (max) Input power: 0.5W Handl
4x4 Keypad Module
4x4 Keypad Module

4x4 Keypad Module

4X4 KEYPAD Pin Configuration 4X4 KEYPAD MODULES are available in different sizes and shapes. But they all have same pin configuration. It is easy to make 4X4 KEYPAD by arranging 16 buttons in matrix formation by yourself.
Electret Condenser Microphone
Electret Condenser Microphone

Electret Condenser Microphone

Pin Identification and Configuration: No: Pin Name Identification Description
Active Passive Buzzer
Active Passive Buzzer

Active Passive Buzzer

Buzzer Pin Configuration Pin Number Pin Name Description 1