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Specifications

• Support EM4001, EM4100, EM4200, TK4100 and its compatible RFID ID card
• Frequency: 125KHz
• First 10 digits of the RFID proximity card read.
• Windows95/98/2000/XP/7/8/10/android
• Communication speed: 106Kbit/s
• Power: DC 5V
• Reading distance: 5-8cm
• Interface: USB
• Operation temperature: -10~70 celsius degree
• Storage temperature: -20~80 celsius degree
• Size(L*W*H): 108mm x 78mm x 28mm
• Total Weight: 100g
• Colour: Black

•     This is a basic 16 character by 2 line display.   
•     Utilizes the extremely common HD44780 parallel interface chipset.   
•     Interface code is freely available.   
•     Blue Backlight with white words.   
•     uses 4 Bit Arduino LCD Library.   
•     Size:8cm x 5.9cm - 3.15inch x 2.32inch   

• Voltage 0.0V to 100V
• Current 0A to 10A
• Working voltage DC 4 to 30V
• Working current <20mA
• Size 48mm x 29mm x 22mm

• Four-lead motor connector XH2.54 white terminal 4pin-6pin motor line   
• 3D Printer Stepper Motor Line   
• Connector : 4pin to 6pin   
• Length: 50cm  

• Operating voltage: 3-5V
• Operating current: 40MA
• Weight: 1g (5 by one weight)
• Size: 12.7 mm x 5.2mm x 2.2mm

This is a small buzzer for the LilyPad system. Use 2 I/O pins on the LilyPad main board and create different noises based on the different frequency of I/O toggling. Loud enough to hear inside a pocket but not obtrusively loud.

Please note: This is an inductive buzzer meaning that is will act as a short to ground if you are not actively driving it. We recommend you put both I/O pins to low (0V) when the buzzer is not used. Also, it's come to our attention that washing these buzzers will damage them. Until we've figured out a solution to this, avoid washing any portion of your project that contains one of these buzzers.

LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available.

• 20mm outer diameter
• Thin 0.8mm PCB

What's in the box?

1 x LilyPad Buzzer module

Resources

• Output Voltage:    3.3 V
• Output Type:    Fixed
• Package Type:    TO-220
• Maximum Output Current:    1.3A
• Mounting Type:    Through Hole
• Maximum Input Voltage:    15 V
• Pin Count:    3
• Number of Outputs:    1
• Polarity:    Positive
• Quiescent Current:    5mA
• Accuracy:    ±1%
• Minimum Operating Temperature:    0 °C
• Maximum Operating Temperature:    150 °C
• Height:    9.15mm
• Width:    4.6mm
• Line Regulation:    6 mV
• Length:    10.4mm
• Dimensions:    10.4 x 4.6 x 9.15mm
• Load Regulation:    10 mV

•     2004 204 20X4 Character LCD Display Module Blue Backlight.
•     Blue backlight
•     Fully assembled and tested Serial LCD 20x4 Module
•     Display Format: 20 Characters x 4 lines
•     Supply voltage: 5V
•     The module can be easily interfaced with a MCU
•     The module is a low-power consumption character LCD Module with a built-in controller
•     Size: approx. 98mm x 60mm x 12mm

• current detection
• over current protection (can be preset from 0.5A to 35.0A)

• Operating voltage: DC 5V
• Current detection range: DC +-35A, AC 25A
• Linearity: K=60mV/A
• Limit current range: 0.5A to 35A(for on/off value output)
• Over current signal indicator LED
• Sampling current conversion analog voltage signal output and it can connect ADC; TTL level signal output and it can connect MCU IO port control
• Board size 37mm x 31mm
• Working temperature: 25 to 85C

Interface

1. When the current flows in from positive direction: V0=Vcc*0.5+la*K, V0=(2.5+0.06)V=2.56V
2. When the current flows in from negative direction: V0=Vcc*0.5-la*K, V0=(2.5-0.06)V=2.44V
3. If it is an AC signal: V0=Vcc*0.5+la*K, V0=(2.5+0.06)V=2.56V

1. Make sure the current flows in from the positive direction. Adjust to the desired current warning level.
2. LED will be on when current is below the setting and DOUT will be low.
3. When the detected current is higher than your setting, the LED will turn off and the DOUT pin will go high.

• Wide Supply Voltage range : 2.4V - 5.5V
• Lightning Sensing: 40 km Range with accuracy of 1km in 14 steps
• Detects both cloud-to-ground and cloud-to-cloud flashes
• Embedded ‘man made’ disturbance rejection algorithm
• Programmable Detection Levels,Lightning detection thresholds are programmable (outdoor vs indoor, for example)
• Distance to storm estimation
• "Disturber" (false event) rejection algorithm
• Indoor and Outdoor Settings
• SPI and I2C Interfaces
• Qwiic Enabled

• Material: Aluminium alloy.
  
• Size: Roof:50mm x 60mm.Foot:80mm x 50mm.
  
• Height: 43mm.
  
• Weight: 96g
  
• Compatible with: Designed specially for single phase solid state relay.
  
• Colour: Silver

• Calibration programmable registers can directly read its unit of measure is the ampere current, and power in watts per read.
• For as many as 128 sampling averaging, in order to realize filter in noise environment.
• The I2C interface has a timeout, not only can avoid the bus lock, but also can provide high-speed mode, meet the communication requirements of up to 3.4 MHz.
• All features are support software programmable INA219.
• Using single power supply, the working voltage between 3.0 to 5.5 V. 

Turn your ATX PC power supply into a handy test bench power supply.

• -12V
• 12V
• 5V
• 3.3V

Each output channel has a replaceable 5A fuse and corresponding ground connection with binding post easy to connect
Provide quick access to the typical voltages needed including 3.3V, 5V, 12V and -12V.
The power indicator and power switch easy to control ideal to DIY low voltage power supply for developing physical computing projects (embedded systems)


Specifications

• Product name : ATX power supply board 
• Model : XH - M229 
• Compatible with port: ATX (compatible with partial BTX type) 
• The PIN number: 24 pin 
• Switch : Yes 
• Number of sets of output : Four sets of different voltages 
• Size:48mm x 128mm x 30 mm

What's in the box?

1 x Power Chassis