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CH376S USB U Disk Read Write Module Controller Development Board Pcba Board
HW-254 4 way 5V relay expansion board Relay Shield supports xbee wireless 4 way relay
4-way relay expansion board supports xbee wireless module
Introduction
Support 4-way 3A relay control, xbee wireless module, etc.
Independent external power supply and optocoupler isolation
effectively avoid electromagnetic interference of controlled
devices.
specification
External power supply voltage: 7 ~ 12V (> 200mA)
Relay maximum switching voltage: 240VAC / 60VDC
Maximum switching current of relay: 5A
Contact load capacity: 1A 250VAC, 3A 120VA / 24VDC
Number of relays: 4
Wireless output interface: (serial port) xbee / Wireless Bee /
Wireless Programming Module
Occupy Ardu port: (relay) digital port 2, 3, 4, 5, (wireless
module) digital port 0, 1
FAQ:
Pls contact us to check stock quantity,price ,lead time, E-mail: info@ysonix.com
1. The maximum current is 2.5A.
2. Up to 32 subdivisions are supported.
3. 4-layer PCB board, better heat dissipation performance.
4. The chip has lower internal resistance, lower heat generation and better heat dissipation.
parameter:
Size: 1.5mmX2mm (same as 4988)
Driven current: 2.5A
Subdivision: 1, 1/2, 1/4, 1/8, 1/16, 1/32
Manufacturing process: SMT placement machine manufacturing, non-manual welding, higher yield, more stable performance
Suitable for:
Where the stepper motor needs to be driven.
It is a necessary module for building 3d printer, cnc, engraving machine and so on.
Supported 3D printers include Prusa Mendel, ultimaker, printbot, makerbot, etc.
You can refer to the following Ardu code to directly drive the motor
DRV8825 features the following points:
1. Suitable for driving stepper motor below 8.2V ~ 45V 2.5A;
2. Only simple step and direction control interface;
3. Six different stepping modes: full, half, 1/4, 1/8, 1/16, 1/32;
4. The adjustable potentiometer can adjust the maximum current output to obtain a higher step rate;
5. Automatic current attenuation mode detection / selection;
6. Overheat shutdown circuit, undervoltage lockout, cross current protection;
7. Ground short circuit protection and load short circuit protection