PCF8574T I2C I/O Extension Board Module
The PCF8574 IO Expansion Board is used as remote 8-bit I/O expander for I2C-bus which features a I2C pinheader on one side, and I2C connector on the opposite side. Hence, it’s more flexible to connect the board to your development system.
Photosensitive Diode Relay Module
Photosensitive Diode Relay Module has light brightness detection, detection, through the potentiometer adjustable brightness detection valve, with relay, to do a variety of brightness detection switch, can control all kinds of lights, night open automatically, and automatically extinguished daytime car supplies control and automation equipment.
PTFE 2x4mm Teflon Tubing – For 3D Printers 1.75mm Filament 1m
OVERVIEW
- Name: PTFE Teflon Tube
- Material: PTFE
- Length: approx. 1M
- Inner Diameter (ID): 2mm
- Outer Diameter (OD): 4mm
- Temperature Range: -180 to 260C
Pulley Wheel 6cm Dia. x 2cm Width-2pcs
OVERVIEW
- Width of pulley: 2 cm
- Diameter of pulley: 6 cm
- Diameter of shaft hole: 6 mm
Pulley wheel 6cm Dia. x 4cm Width
OVERVIEW
- Width of pulley : 4 cm
- Diameter of pulley : 6 cm
- Diameter of shaft hole : 6 mm
PVC Electrical Insulation Insulation Tape
OVERVIEW
· PVC Electrical Insulation · Black colourR305 Fingerprint Identification Module
OVERVIEW
- Profile: 256 bytes
- Template file: 512 bytes
- Input Supply Voltage (VDC): 5
- Operating Current: <120mA
- Peak Current: <130mA
- Fingerprint image input time: <0.5 s
- Window Area(mm): 18.5×14.6
- Storage capacity: 200
- Security level: Five (from low to high: 1,2,3,4,5) system default 3
- FAR: <0.001% (security level is 3)
- Rejection rate (FRR): <1.0% (security level 3)
- Search time: <1.0 seconds (1: 500 average)
- Resolution: 500ppi
- Host computer interface: UART (TTL logic level)
- Communication baud rate (UART): (9600XN) bps
- Operating Temperature (°C): -25 to +60
- Relative humidity: <90% H (no condensation)
R307 Optical Fingerprint Reader Sensor Module
OVERVIEW
- Operating voltage (v): 4.2 ~ 6 VDC
- Current consumption: ≤75mA
- Verification Speed: 0.2 sec
- Scanning Speed: 0.3 sec
- Character file size: 256 bytes
- Template size: 512 bytes
- False Acceptance Rate (FAR): ≤0.0001%
- False Rejection Rate (FRR): ≤0.1%
- Resolution: 500 DPI
- Operating Temperature: -20 ~ +50 °C
- Dimension (mm): 46x 21x 23.5
- Weight (gm): 20
RAMPS 1.4 3D Printer Controller Board Arduino Mega Shield
The RAMPS 1.4 3D Printer Controller Board Arduino Mega Shield is an all-in-one design to fit the necessary components for a 3D printer into one plug in shield for an Arduino MEGA.A number of Arduino expansion boards can be added to the system as long as the main RAMPS board is kept to the top of the stack.