| Message: | Shenzhen Jie Du State Technology Co., Ltd. was founded in 10 years ago, After a period of rapid development, it has developed into a considerable size and effectiveness company of custom PCB assemblyandPCB prototype manufacturer, NOw it is benchmark companies in Industry and agriculture industry. Jieduo state technologyturnkey 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) microphone 2 pins, and the shell is connected to the negative, welding should pay attention. [Microphone 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.
is focused on Normal custom PCB assembly, custom PCB assembly service price, electronic PCB assembly the final offer, Diverse custom PCB assembly and other projects. even though in the rapid development of the project ,Jieduo state technology always stressed the balance between external opportunities and internal management, attaches great importance to the core competitiveness of enterprises to cultivate and shape. Our company take the value of customer service as the core competitiveness of enterprises, adhering to the honesty and integrity , the pursuit of excellence, respect individual for the corporate spirit, and strive to provide customers with integrity and reliable custom PCB assembly. With the rapid development of business simultaneously, Jieduo state technology always keeps the balance between external opportunities and interna |
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