Testing Procedures For PCB Board
---We perform multiple quality assuring procedures before shipping out any PCB board. These include:
* Visual Inspection
* Flying probe
* Bed of nails
·* Impedance control
·* Solder-ability detection
* Digital metallograghic microscope
·*AOI (Automated Optical Inspection)
Detailed Terms for PCB Manufacturing
---Technical requirement for pcb assembly:
* Professional Surface-mounting and Through-hole soldering Technology
* Various sizes like 1206,0805,0603 components SMT technology
* ICT(In Circuit Test),FCT(Functional Circuit Test) technology.
* PCB Assembly With UL,CE,FCC,Rohs Approval
* Nitrogen gas reflow soldering technology for SMT.
* High Standard SMT&Solder Assembly Line
* High density interconnected board placement technology capacity.
Surface Treatment
Lead-free HAL
Gold Plating (1-30 micro inch)
OSP
Silver Plating
Pure Tin Plating
Immersion Tin
Immersion Gold
Gold Finger
Other Service:
A) We have many special material as rogers, teflon, taconic, Fr-4 high tg, Ceramic in stock. Welcome to send us your inquiry.
B) We also provide sourcing components , PCB design , PCB copy , PCB drawing , PCB assembly and so on .
Product Details:
Payment & Shipping Terms:
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Highlight: | arduino bluetooth module,Ultrasonic Module |
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Mini sophisticated Module for Arduino LED 23 x 17 x 9mm PCB board
Quick Detail:
1.Convenient & Friendly Customer Service
2. Low Prices Direct From Factory Suppliers
3. Fast Delivery Around The Globe.
3. Lots of parts in our own store and in stock,Fast shipment is supported;
4. In our daily work Service for customer will be improved ;
5. submit all new electronic parts is our criterion;
6. Be your reliable supplier is our pursue.
Specification:
1.PCB board size: 23 * 17 * 9mm
2 chip technology, LED status display
3 small size, sophisticated technology
4 Instructions for use: ULN2003A Darlington power chip stepper motor driver
A, B, C, D four-phase LED indicates the status of the stepper motor work
Stepper motor with a standard interface, when used directly pluggable
With 3mm diameter screw holes for easy assembly using fixed
Interface Description:
VCC and GND power input range of 5-24V, IN1-IN4 corresponding test program 51 microcontroller P0.0-P0.3
Shipping list:
1.ULN2003 module * 1
Photos:
Contact Person: Miss. aaa
Tel: 86 755 8546321
Fax: 86-10-66557788-2345