The bestcustom PCB assembly you have purchased

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Shenzhen Jie Du State Technology Co., Ltd.is a company with High-quality Low volume PCB assembly,turnkey PCB assemblyandPCB Assembly Manufacturer as the main business. We are committed to providing quality service of China PCB prototypex19b6516n. Shenzhen Jie Du State Technology Co., Ltd.was established in 10 years ago, As a company with a high sense of social responsibility, Jieduo state technologyhas established a high reputation for superior quality and expertise in PCB prototypefield

Shenzhen Jie Du State Technology Co., Ltd. adhere to the continuous technical innovation , continue to create PCBGOGO value for our customers.Jieduo state technology have branches in,,, and other cities , and all staff focus on turnkey PCB assembly trading rankings industry innovation and development;and we rely on the growing of Fair price custom PCB assembly innovative practice ability to win the majority of customers trust and cooperation. 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 rapid development of business simultaneously, Jieduo state technology always keeps the balance between external opportunities and internal management, attaching great importance to the training and shaping of core competitiveness. The company will take customer service value as the core competitiveness of enterprises. Adhering to spirit of enterprise:acting with integrity , pursuit of excellence, respect for the individual , Jieduo state technologystrives to provide customers with Reliable quality and price PCB prototype manufacturer. More details in the Jieduo state technologyofficial website:

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