On the bustling street, a boy was screwing the back cover of a drone with a bitter face. Lady Zhou was holding the drone's packaging in her hands and waiting "eagerly".
Qu Sen was carrying a large cardboard box and a bunch of small bags in each hand. His face was full of heartache.
As for Li Ying, because she really couldn't hold it in anymore, she hid in front of a stall selling pirated dolls across the street. She couldn't stop laughing. The stall owner kept staring at her like she was an idiot.
After Zhou Li got the new toy, she finally stopped talking and didn't mention anything about the big meal. She went out of the street and found an ATM to withdraw 1300 yuan and returned it to Qu Sen. She said generously, "The extra 20 yuan is your service fee."
Then Zhou Li found a public phone and called a familiar colleague at the School of Five One. She reported a string of parameters and asked the other person to help her find the rare capacitor used in the drone's charging unit as soon as possible.
After hanging up the phone, she didn't waste any more time and stood on the side of the road to take a taxi back.
On the way back to school, Qu Sen was still wondering if he should be happy that his daily labor had increased from 6 yuan to 26 yuan. When he got out of the car, he paid another 16 yuan for the taxi.
When he added in the 10 yuan he gave when he came out, he realized that he was still doing free labor for a day, and it didn't include the cost of buying water and lunch.
After checking the leave slip with the guard at the South Gate Post, Zhou Li took Qu Sen directly to the teacher's office. Maybe it was because there was no one in the office on the weekend, so Zhou Li rummaged around and found the screwdriver, universal watch, and other things that needed to be used.
Qu Sen opened the back cover of the drone and learned from the boy who was selling things. He carefully unscrewed the back cover and used the universal watch to test it. Sure enough, although the capacitor that the boy pointed to was not visible, it was already broken.
He also tested the other capacitors on the charging module and found that the current of one was unstable.
"It seems that the capacitor of the charging module needs to be changed," Qu Sen said with a frown after completing all the tests.
Zhou Li had been watching from the side. When he heard Qu Sen's words, he asked, "If I can find the same capacitor, can you brand it?"
Qu Sen would definitely use a soldering iron, but the density of the capacitor pins and circuits on the drone's charging module was incomparable to that of a computer's motherboard. Qu Sen did not have much confidence.
Looking at the workbench with a magnifying glass in the studio, he thought for a moment and said, "It should be fine, but I need to find something small to familiarize myself with. I haven't touched a soldering iron since my internship."
"Okay, I'll find it for you," As soon as he heard that Qu Sen could do it, Zhou Li was very happy and immediately agreed.
Just like that, Qu Sen spent the next week in class, self-study, and accompanying Zhou Li and Li Ying to practice the exam subjects. Then, he would practice from the time of roll call until 11 pm every night while Zhou Li's studio was empty.
The target of his practice was an old Motorola phone that Zhou Li found from who knows where.
It was not until Friday that the capacitor sent to Zhou Li by express mail finally arrived.
Originally, Qu Sen wanted to wait until after roll call, but before he finished eating dinner, he was directly dragged away from the dinner table by the impatient Zhou Li.
Fortunately, the guys in dorm 510 were basically immune to this kind of situation. The other students on the same floor seemed to be used to it. Other than one or two nosy people who took a few glances, the others did not pay much attention to it.
Zhou Li's studio was empty. Usually, everyone would work until around 9 pm. Now, they probably all went to eat.
Qu Sen felt that as an advanced student, it was not good for him to go to the studio of a master's student. He hurriedly began to dismantle the drone. He was going to take off the circuit board of the power supply unit and put it on the workbench.
Zhou Li saw that Qu Sen was in a hurry and said, "What are you in a hurry for? If you break it, you'll have to pay for a new one."
When Qu Sen heard this, he finally did not dare to be in a hurry. It was four to five thousand yuan. Even if he was willing to spend that money, who would help him buy it in Australia?
He carefully separated the bottom shell of the drone from the body. Then, he took off the wiring between the motherboard and the power supply unit. He unscrewed a few set screws and took out the power supply unit.
Then, he separated the battery from the control part. The charging control board was taken off alone.
He picked up a magnifying glass and carefully compared the original capacitor on the control unit with the capacitor sent by Wu Yi.
He found that the capacitor sent over was still a little longer than the original. But fortunately, the legs were long enough, so there was some margin. It could still be used with a little bending.
He checked the detailed parameters again. After confirming that it was the same, he began to work.
"Hey, hey, hey, be careful!" Qu Sen did not do anything, but Zhou Li was a little nervous.
"Aiya, stop talking. You're making Qu Sen nervous." Li Ying said to Zhou Li.
"Both of you stop talking. It's best if you go out. I'll call you when I'm done." The capacitor was too small. Qu Sen was really not sure. His hand that was holding the soldering iron was shaking after being chided by the two of them. He simply chased the two of them out.
Zhou Li showed unprecedented cooperation. As soon as Qu Sen spoke, he really dragged Li Ying out.
In fact, since Mentor Zhou Li's studio had these guys, there must be an expert in soldering iron. However, Zhou Li did not look for him for "some" reasons. Qu Sen was also very interested in challenging his fine operation, so he took over.
But when he really wanted to do it, he was still a little hesitant. The circuit density of the charging control board was actually about the same as the circuit density on the phone's motherboard. The distance between the pins of the original was also about the same. It was just that the phone that he practiced with was broken after all, so there was no psychological pressure to do it.
But the thing in front of him was different. It was something that was more expensive than a phone. Besides, if it was really completely broken, he would not be able to buy the parts even if he wanted to. Qu Sen still felt some pressure, but then again, the warranty had been completely destroyed. It would be too irresponsible to retreat now.
Besides, even if it was really broken, at most, he would compensate Zhou Li 4,000 yuan and let her find someone she knew abroad to buy it. It was as if she had a lot of power all day long. It should not be a problem to find someone abroad to buy something for her, right?
Thinking of this, Qu Sen no longer thought about it. With the help of the magnifying glass on the console, he carefully removed the original capacitors on the board one by one with a hot hairdryer …
Zhou Li and Li Ying sat in the corridor outside the studio and stayed idle for half an hour. In the end, it was Li Ying who couldn't help but mutter, "It's just a few capacitors. You don't have to take so long, right?"
"If you think it's too slow, then do it." Zhou Li spat out a sentence.
Li Ying was shocked. If she didn't know that there was nothing wrong with her ears, she would have thought that there was something wrong with her sound collection system. She looked at Zhou Li with her eyes wide open, "Xiao Li, what's wrong with you?"
"Nonsense, I spent money to buy it. If it's broken, I'll have to pay for it." Zhou Li said righteously.
"You can ask Brother Zhao to do it. Why do you let Qu Sen do it?" Li Ying accepted Zhou Li's explanation, but she still muttered.
"It's not like you don't know that I hate him." Zhou Li rolled her eyes at Li Ying.
"Yeah, he's more than thirty years old …" Li Ying said halfway. She stole a glance at Zhou Li and decisively swallowed back the second half of the sentence.
The sound of talking and footsteps came from the stairs. Zhou Li and Li Ying looked at the same time. Five people were walking towards the studio.
Among the five people, Li Ying knew three of them. They were her and Zhou Li's supervisor, Professor Wu, and Senior Brother Zhao, whom Zhou Li had just said she hated. The other two were Senior Sister Qiao.
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