Rayming Pcb and Assembly Process

Rayming Pcb and Assembly is a multi-step process that includes surface mount technology (SMT) and through-hole technology. In through-hole assembly methods, the component wires are placed on the board and these wires are soldered via a wave soldering process. Some SMT components can be placed on the underside of the board and soldered by the wave soldering process.
Pcb Board

SMT Process

In the SMT process, the solder paste is deposited on the connection pads of the printed circuit, the components are placed on these pads, remelted in a reflow oven to melt the solder paste and form the electrical connection and the mechanical connection of the wire of the component to the circuit board. During tests, the assembled printed circuits are placed in a fixture which brings the electric current to the circuit boards in order to activate its operation. A group of active cards is then placed in an Environmental Stress System (ESS) chamber that will alternate between the high and low-temperature regimes for a number of cycles to determine if these stresses induce failures in the assembled circuit boards. These failures will be analyzed to determine the cause. Air Products expertise, the benefits of technology and gas supply can bring increased benefits and uptime, reduced defects, and improved total cost of ownership for your assembly and retrofit processes. printed circuit test. for more Check out this

Prototyping Card

In this article, you will discover a prototyping card (or breakout board) that completes the range described in numbers 135 to 138 of Electronics and Leisure Magazine. This card makes it possible to implement astable or monostable circuits by exploiting the 555, the most popular integrated circuit among the circuits of the “timer” type. Continue your journey to discover MPLAB-X, Microchip Technology’s new development environment that replaces the old MPLAB IDE. In this lesson, you will learn how to create applications using Microchip’s “USB host” stack.


With the end of year celebrations approaching, here’s how to create a control unit that can cyclically simulate the alternation of day and night to recreate the atmosphere of a manger that you can decorate to your liking. The control unit is capable of controlling up to six outputs with which it is possible to power LEDs or small motors. It allows simulating the light of day, the glow of the stars, the fire of the chimneys, the presence of comets, etc. This unit can also control NeoPixel type LEDs and, to recreate the Christmas atmosphere, it can play the music of your choice. But hey … we can find him many other applications.

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