When I first encountered electronic systems, I could only practice soldering and was eager to understand circuit boards, but I struggled to grasp the essentials. Later, in the lab and after starting my job, as I accumulated experience in hardware design and debugging, combined with guidance from experienced experts around me, I gradually understood circuit … Read more
【PCB Information Network】With the gradual disappearance of China’s demographic dividend, rising labor costs, and the new generation of labor becoming the main workforce, the “labor shortage” in the circuit board manufacturing industry has almost become the norm. To address this labor dilemma and meet the increasingly refined requirements of the circuit board industry, many circuit … Read more
Click the blue text above to follow us for more exciting content 1) Remove 5~8mm of insulation from the wire, then insert the exposed wire into the terminal block. 2) Use a screwdriver to tighten the screw at the top, and pull on the wire a few times to check if it comes loose. 3) … Read more
The image below marks the position of the DDR2 chips that were cut open. We can see that there are dense traces inside the new foam. The BGA solder balls are marked in red. This is a 6-layer board, with the positions of the TOP, BOTTOM, and the four internal electrical layers already indicated. Since … Read more
The charging pile circuit board is the core component of the charging pile, responsible for functions such as power conversion, control, communication, and safety protection. Below is a detailed analysis of the charging pile circuit board:1. Main Functional ModulesPower Module (AC/DC or DC/DC conversion):Converts grid AC power (AC) to DC power (DC) for battery charging … Read more
Recently, our mine’s self-developed voice circuit board has broken the technical barrier that prevented the free recording of voice warning messages in the mine, enabling personalized recording of various voice warning messages, effectively enhancing the safety of the mine. Voice warnings are an important technical means for preventing safety accidents in mines. Previously, the content … Read more
I picked up the soldering iron and started hand-soldering the board~~It can be described as clumsy, but the result is acceptable; the entire circuit is connected.Tomorrow, I will secure everything to the box and re-flash an ESP32 program to start the experiment. Let’s go!
The circuit board of a water purifier is the core component responsible for controlling the entire system’s operation, including water quality filtration, purification, and display functions. If the circuit board malfunctions, it may cause the water purifier to operate improperly, leading to frequent starts and stops. 1. Functions and Components of the Water Purifier Circuit … Read more
Some screenshots from electronic books 【Complete Set of Hardware Learning Materials】
Method 1: 1. Cut the copper-clad board to the required size for the circuit diagram. 2. Place wax paper on a steel plate, use a pen to draw the circuit diagram on the wax paper at a 1:1 scale, and cut out the drawn circuit diagram according to the size of the circuit board. Place … Read more