All of the Secret Patterns are created by talented card makers and refined over time until they are finally finalized, which is a long process.

Luo Xiaofei thinks that he is not capable of creating new cards, but what he has to do now is not to invent new cards, but to develop new functions on the basis of the original cards.

It's like the difference between inventing a new language and developing a small program in C, the former is difficult, and the latter is something that countless programming apes can do.

What Luo Xiaofei wants to redevelop is the control system of the secret pattern map of the temperature control card.

This diagram is divided into three systems: the power system provides the secret energy, the conversion system allows the secret energy to heat or cool the air, and the control system controls the temperature.

When the temperature reaches the expected level, it will automatically "shut down" to avoid overcooling or overheating, and if the temperature changes too much, it will automatically activate.

To put it simply, the temperature control card is actually like a fixed-frequency air conditioner, which consumes a lot of secret energy when activated frequently, and the temperature control effect is not good.

Therefore, Luo Xiaofei wants to add a "small plug-in" of "inverter" to the secret pattern map, and adjust the "power" of the secret energy output according to the temperature change, without frequent activation and shutdown.

"The first thing to change is these three lines, to make the connection between the powertrain and the control system more fine......"

The tip of the knife moves very slowly on the original crystal card, which is innovation, and if it is not fast, the slightest mistake will cause the entire card to be scrapped.

Through the card making knife with excellent conductivity, Luo Xiaofei carefully felt the construction process of the secret energy in the secret pattern map with a 95% secret energy affinity, and carefully controlled the direction of the secret energy.

"What is this kid doing? The secret pattern of the temperature control card is not engraved like this! Wrong, all wrong!" In front of the display, the old man shook his head regretfully.

With his attainments in card-making, his understanding of the basic secret pattern of the temperature control card has reached the pinnacle, and he can see even the slightest flaw at a glance, not to mention the unprecedented lines depicted by Luo Xiaofei.

"No, there is no problem with the secret pattern map in the first half, it stands to reason that this kid shouldn't make such a big mistake, is it that he got the wrong secret pattern map when he first started learning? That's right, in a place like the border military town, I'm afraid there won't be a good teacher to teach him carefully, alas, poor child!"

The old man kept making up for Luo Xiaofei's "miserable childhood", and felt more and more pity for him.

He reached out and pressed a red button in front of him, it would be futile to continue the test, and while there was still time, he could let the kid make another card, and if he was lucky, maybe the other secret patterns he had learned were correct.

"Dudu Du......" A small light on the workbench suddenly began to flash red, and at the same time, a prompt sounded: "Test failed, please start again, the remaining test time is 100 minutes!"

Luo Xiaofei was stunned, and suddenly came to this point, he almost carved a crooked line, and what made him even more unacceptable was that this Shabi system actually directly judged to fail?

He quickly turned his head to look at the invigilator, only to see that the old man was also looking at him, with a smile full of love and encouragement on his face.

Why does this old man have such a weird smile?

Luo Xiaofei was angry, this is like when he took the driver's license test, everything was done correctly, but he was inexplicably stepped on the brakes by the security officer, but the safety officer still had a "I'm not wrong" expression......

This is for ah!

Luo Xiaofei raised his hand high and stared at the old man stubbornly.

The old man got up and walked over, and asked in a very gentle tone, "Is there any problem?"

"Yes!" Luo Xiaofei puffed up, "Why did you suspend my test for no reason?" I need a reasonable explanation, otherwise I will consider appealing upward!"

The old man still looked kind, "Kid, the secret pattern of the temperature control card you just depicted is wrong, while you have enough time, you can choose a more familiar secret pattern map, such as a charging card, which is very simple." ”

Is the Secret Pattern Wrong?

Luo Xiaofei was stunned for a moment, then understood, and suddenly his heart was trampled by like 10,000 divine beasts.

What the hell is this old man messing with?

"I'm not convinced!" he stared at the old man and argued, "According to the test rules, the invigilator can only terminate the test if the tester violates the test discipline or cheats, I didn't violate the rules, you shouldn't do it!"

"Child, I'm for your good!" the old man said bitterly, "Your secret pattern is wrong, even if you finish the test, you won't be able to pass the test, it's better to change to another card as soon as possible...... You can rest assured that this aborted test will not be reported as a violation, as long as you make the next card correctly, you can still pass......"

"But I'm not wrong!" Luo Xiaofei interrupted him.

"Believe me, I knew everything about the secret pattern of the temperature control card fifty years ago, in fact, I participated in the promulgation of this version of the standard secret pattern map...... "The old man was not in a hurry at all, and he was very patient.

"You're talking about the old secret pattern, I'm innovating!" Luo Xiaofei was anxious.

"Innovation?" the old man was stunned and frowned slightly, "Since the Secret Pattern of the Temperature Control Card came out, there has been no change in 200 years, and there is no need to change it!"

"That's because your brains are rigid!" Luo Xiaofei didn't care if he was an invigilator in front of him, he started to target me, why should I be polite to you?

"Everything is constantly evolving and improving, why is this secret pattern so perfect that it doesn't need any progress......? Why is it so embarrassing to say that it is perfect? I add a frequency conversion system to it, which can not only maintain a constant temperature, but also save energy by 30 percent, isn't it?"

"......" The old man was a little stunned by Luo Xiaofei's machine-gun-like speech, and after thinking about it, he asked, "What is it...... Inverter system?"

"Don't worry about it, you can't stop my test anyway, when I finish making it, you can naturally see the effect!" Luo Xiaofei stiffened his neck and did not answer his question.

"You kid, why are you so stubborn?" the old man shook his hand, turned around and left, "Okay, you continue to test, I will say that my hand slipped and accidentally pressed it, and they dare to deduct my money!"

"So easy to talk?" Luo Xiaofei was really stunned, he thought that he would have to make a scene, who knew that this old man was so soft...... No, how can this old man be a "child", is he overflowing with love, or am I tender and cute?

Phew......

Luo Xiaofei put aside the messy thoughts, since he could continue, it would be better.

He sat down again, calming down his emotions before picking up the card knife and continuing to portray......

"Innovation?frequency conversion?This kid dares to think, I'll take a closer look first......" The old man sat back in his position, enlarged the picture of Luo Xiaofei's card, and studied it carefully.

Immediately, he frowned deeply and fell into deep thought.