NodeMcu Lua WIFI Internet Module Development Board Pcba Board Based On ESP-WROOM-S2
NodeMcu Lua WIFI Internet Module Development Board Pcba Board Based On ESP8266 CP2102
FAQ:
A: Normally 3-5 working days after payment; Special requirement orders, delivery time is negotiable.
Q: How to make sure the quality?
A:All product will be inspected by our strict QC department,warehouse,FAE,Sales before shipping.
Q:What is the warranty?
A:1-3 months to replace new items for free.
1-2 years repairing free according to different products.
Q:Do you accept OEM design?
A:Yes, we do. We can design according to your requirement, MOQ usually 1-10.
Q:Do you accept pay 30% in advance?
A:Yes, we do. We can start to prepare your goods when receive 30% payment, and send them after get the rest 70% payment.
Q:What payment terms you accept?
A:We accept Paypal, T/T, Alibaba Trade Assuarce, Western Union, Wechat, Alipay, in Cash (RMB or USD).
Pls contact us to check stock quantity,price ,lead time, E-mail: sales@cmhk-ic.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
0402 0.063W 10kOhm SMT Thick Film Chip Resistor RC0402JR-0710KL
200MHz MPZ1608S300ATAH0 Chip Beads 5A For Power Line TDK SMD0603
22R 5% SMD0402 Film Chip Resistors ERJ-2GEJ220X PANASONIC
MOV-20D751K 750V 6.5kA Varistor blue SMD Chip Resistor 1 Circuit Through Hole Disc 20mm
2SB1261-TP 10W General Purpose Rectifier Diode Silicon Epitaxial Planar Pnp Transistor
IXFK140N30P Polar Power Mosfet Hiperfet TO264 300V 140A
DF2B29FU,H3F TVS 24VWM 47V ESD Protection Diodes
PMEG6010ER 1A Low VF MEGA Schottky Barrier Rectifier SOD123
SK34SMA 3A SMD Schottky Barrier Rectifier Diodes DO - 214AC
SMBJ5.0A Silicon Avalanche Diodes 600W Surface Mount TVS Diodes
| Image | Part # | Description | |
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0402 0.063W 10kOhm SMT Thick Film Chip Resistor RC0402JR-0710KL |
10 kOhms ±5% 0.063W, 1/16W Chip Resistor 0402 (1005 Metric) Moisture Resistant Thick Film
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200MHz MPZ1608S300ATAH0 Chip Beads 5A For Power Line TDK SMD0603 |
30 Ohms 1 Power Line Ferrite Bead 0603 (1608 Metric) 5A 10mOhm
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22R 5% SMD0402 Film Chip Resistors ERJ-2GEJ220X PANASONIC |
22 Ohms ±5% 0.1W, 1/10W Chip Resistor 0402 (1005 Metric) Automotive AEC-Q200 Thick Film
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MOV-20D751K 750V 6.5kA Varistor blue SMD Chip Resistor 1 Circuit Through Hole Disc 20mm |
750 V 6.5 kA Varistor 1 Circuit Through Hole Disc 20mm
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2SB1261-TP 10W General Purpose Rectifier Diode Silicon Epitaxial Planar Pnp Transistor |
Bipolar (BJT) Transistor PNP 60 V 3 A 50MHz 1 W Surface Mount D-Pak
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IXFK140N30P Polar Power Mosfet Hiperfet TO264 300V 140A |
N-Channel 300 V 140A (Tc) 1040W (Tc) Through Hole TO-264AA (IXFK)
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DF2B29FU,H3F TVS 24VWM 47V ESD Protection Diodes |
47V Clamp 3A (8/20µs) Ipp Tvs Diode Surface Mount USC
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PMEG6010ER 1A Low VF MEGA Schottky Barrier Rectifier SOD123 |
Diode 60 V 1A Surface Mount SOD-123W
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SK34SMA 3A SMD Schottky Barrier Rectifier Diodes DO - 214AC |
Diode 40 V 3A Surface Mount DO-214AC, SMA
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SMBJ5.0A Silicon Avalanche Diodes 600W Surface Mount TVS Diodes |
9.2V Clamp 65.3A Ipp Tvs Diode Surface Mount DO-214AA (SMBJ)
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