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5V 4-phase Stepper Motor+ Driver Board ULN2003
$
8.00
Rated Voltage: DC5V
4-phase
Reduction Ratio: 1/64
Step Torque Angle: 5.625/64
DC Resistance: 200Ω±7% (25)
Insulation Resistance: >10MΩ (500V)
Dielectric Strength: 600V AC / 1mA / 1s
Insulation Grade: A
No-load Pull in Frequency: >600Hz
No-load Pull out Frequency: >1000Hz
Pull in Torque: >34.3mN.m(120Hz)
Detent Torque: >34.3mN.m
Temperature Rise: <40K(120Hz)
Noise: <40dB (120Hz, No load, 10cm)
Board Size: Approx. 29 ×21 mm
4-phase
Reduction Ratio: 1/64
Step Torque Angle: 5.625/64
DC Resistance: 200Ω±7% (25)
Insulation Resistance: >10MΩ (500V)
Dielectric Strength: 600V AC / 1mA / 1s
Insulation Grade: A
No-load Pull in Frequency: >600Hz
No-load Pull out Frequency: >1000Hz
Pull in Torque: >34.3mN.m(120Hz)
Detent Torque: >34.3mN.m
Temperature Rise: <40K(120Hz)
Noise: <40dB (120Hz, No load, 10cm)
Board Size: Approx. 29 ×21 mm
315MHZ / 433MHZ RF wireless receiver & transmitter module
$
5.00
Working voltage: DC5V
Working current: 4mA
RF Sensitivity: -103dBm
Modulation Method: Amplitude modulation (ASK or OOK)
Working temperature: -20°C ~ +70°C
Type: Fixed Code (without decode)
Size: 30×12×7mm
Application:
The RF receiver modules are widely used for data receiving and signal control. They are specified as preferred components in remote control garage, roller curtain, door locks, remote sensing, telemetry, industrial control and wireless security alarm industry.
Notes:
It is best to use the antenna of 1/4 wavelength, for antenna has a great impact on receiving effect of the module; normally using 50Ω single core cable. For frequency 315MHz, the length of antenna is about 23cm; for 433MHz, it is about 17cm. The position of antenna also affects the receiving effect of the module. When installing the antenna should be extended as much as possible and be away from the shield and the place in high pressure and interference.
Working current: 4mA
RF Sensitivity: -103dBm
Modulation Method: Amplitude modulation (ASK or OOK)
Working temperature: -20°C ~ +70°C
Type: Fixed Code (without decode)
Size: 30×12×7mm
Application:
The RF receiver modules are widely used for data receiving and signal control. They are specified as preferred components in remote control garage, roller curtain, door locks, remote sensing, telemetry, industrial control and wireless security alarm industry.
Notes:
It is best to use the antenna of 1/4 wavelength, for antenna has a great impact on receiving effect of the module; normally using 50Ω single core cable. For frequency 315MHz, the length of antenna is about 23cm; for 433MHz, it is about 17cm. The position of antenna also affects the receiving effect of the module. When installing the antenna should be extended as much as possible and be away from the shield and the place in high pressure and interference.