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1.Uniquereliable custom PCB assembly at

PCB prototype manufacturerandChina PCB prototypeof Shenzhen Jie Du State Technology Co., Ltd.is favored by the majority of customers love, We have established long-term cooperation with many partner, printed circuit board,Custom PCBfrom Jieduo state technologymeet the needs of our customers. Jieduo state technologystrength,abide by contract, keep faith, take quality and credit of contract,obtained the customer trust and praise.

Shenzhen Jie Du State Technology Co., Ltd.is committed to the continuous improvement of the电子元器件service, become a society, customers, shareholders and employees long-term trust of the company. Our Company adhering to pirit of for the sake of customers, and win-win with customers , and through Jieduo state technology staff continuous innovation and development to provide first-class Affordable custom PCB assembly,Complete custom PCB assembly,Excellent Low volume PCB assembly,custom PCB assembly the quality of for enterprises , is what we have been working for. Details:
turnkey pcb assembly

Components Installation Note the following:

(1) MAX232CPE chip (DIP16) socket consists of two 8-pin 1 16-pin socket.

(2) speaker on the "+" side of the welding, the corresponding PCB on the "+".

(3) attention to the resistance of the welding direction! The The , The resistance in the socket of the single-chip welding.

(4) micro 2 pins, and the shell is connected to the negative, welding should pay attention. [Micro has positive and negative points, negative and shell connected]

(5) electrolytic capacitor capacitance is positive and negative points, long positive and negative; diodes have positive and negative points, long positive and negative; buzzer positive and negative points, long and short negative.




With the purpose of "Quality first, service is paramount" in Jieduo state technology, our strict product quality control system ensures that PCB Online,Custom PCBx19b6516n and other products of high quality and stability. We have a first-class laboratory equipment and a highly experienced profess



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