The fingers tapping on the keyboard are like playing a silent melody.

"Senior, look at the design of this robotic arm. Can you optimize it to make it move more flexibly?" Chen Dong asked, pointing to the joints of the robotic arm.

Zhao Yu examined it carefully, pondered for a moment, and then said, "Hmm, you're right. We can modify the structure of this joint and replace it with a hydraulic one, which should improve its flexibility. However, this might require readjusting the program's control logic."

"Okay, I'll go modify the program now to better control this new structure." Chen Dong said, then returned to his computer and got busy, his fingers flying across the keyboard while he muttered the code logic from time to time.

Chu Mengran also often visits them in the lab, and she always brings some snacks and drinks with her.

The pastries were made by her own hands and were packed in a simple tin box.

Seeing Chen Dong and Zhao Yu so engrossed, she felt both heartache and relief: "Dongzi, don't overwork yourselves, take a rest. Here, have some of the snacks I made to replenish your energy."

Chen Dong looked up and said with a smile, "It's alright, Mengran. We're making good progress now, so all the hard work is worth it. The desserts you made are our source of motivation."

As he spoke, he picked up a pastry, put it in his mouth, and a satisfied expression appeared on his face.

Thanks to their efforts, the design of the prototype of the automatic feeding system gradually took shape.

However, some problems were still encountered during the testing process.

For example, the automatic feeding system is not precise enough, sometimes overfeeding or underfeeding.

"This won't do. The precision of feeding directly affects the chickens' growth. We need to find the problem and solve it as soon as possible," Zhao Yu said anxiously, his brows furrowed into a deep frown.

Chen Dong carefully examined the program and mechanical structure, his eyes fixed on every detail.

After a while, Chen Dong frowned slightly and said, "Senior, I think it might be a problem with the sensor. We need to replace it with a more accurate sensor and recalibrate it. You see, this sensor's sensitivity is insufficient, causing the feedback data to be inaccurate."

Zhao Yu nodded: "Okay, I'll contact the supplier right away to see if they have any suitable sensors."

He picked up the phone, dialed the supplier's number, and inquired in detail about the sensor's model, accuracy, and price: "Hello, I'd like to ask if you have any higher-precision sensors suitable for use in automatic feeding systems..."

After much effort, they finally resolved the problems that arose during the test.

The prototype of the automatic feeding system can accurately feed chickens according to the set amount and operates stably.

When they saw the machine accurately feeding the chickens into the troughs of the simulated chicken coop, Chen Dong and Zhao Yu excitedly high-fived.

"We did it!" the two shouted in unison, their voices filled with joy and pride.

Chu Mengran was also happy for them, her eyes glistening with tears of excitement: "You guys are amazing! This automatic feeding system will definitely help a lot of farms."

Looking at the prototype in front of him, Chen Dong felt a sense of accomplishment, his eyes filled with determination and anticipation: "This is just the beginning. We need to keep improving it so that it can truly enter the market and bring convenience to more farmers."

We can further optimize the program, improve system stability, and add some intelligent functions, such as automatically adjusting the feeding amount according to the chickens' growth stage.

Since then, Chen Dong and Zhao Yu have continued to work hard to improve and optimize the automatic feeding system, striving for mass production and commercialization.

During the winter break, heavy, leaden-gray clouds hung over Beiping, as if suffocating the ancient capital.

The biting wind howled like a pack of ferocious beasts, rampaging through the streets and alleys, wantonly slashing at the faces of pedestrians.

Inside Beiping Railway Station, crowds surged like a tide, and the noise, announcements, and the sound of suitcase wheels rolling on the ground intertwined to create a cacophony.

Chen Dong, Chu Mengran, Guo Miao, and Yu Qin found themselves in the surging crowd, dragging their slightly worn suitcases and struggling to weave through the gaps in the crowd.

Chen Dong was wearing a faded black cotton-padded jacket with several patches on the cuffs, the hem of which was slightly rolled up and swaying gently in the cold wind.

Chu Mengran was wrapped in a thick red scarf, the bright red standing out against the gloomy environment. The scarf was tightly wrapped around her neck, revealing only a pair of bright eyes, which showed weariness and longing for home.

Guo Miao's large, stout body stood out conspicuously in the crowd. With each step he took, he struggled to move his massive body, panting heavily, his face covered in sweat and his breath mingling with the white vapor he exhaled.

Yu Qin followed closely behind Guo Miao, her eyes occasionally glancing at Chen Dong, her expression carrying a hint of complexity.

"This train is so crowded, I feel like my bones are about to fall apart," Guo Miao complained, panting heavily, his voice mostly drowned out by the noise of the other passengers.

"Bear with it, we'll be home soon," Chen Dong comforted him, his eyes revealing his longing for home, as if that warm home was his only solace on this cold journey.

They finally boarded the train to Shenzhen.

The carriage was filled with a mixed smell, a mixture of sweat, instant noodles, and various other unidentified odors, making it somewhat suffocating.

People were huddled together, the seats were full, the aisles were full, and some people were even sitting on their suitcases.

Chen Dong and Chu Mengran sat side by side by the window. Chu Mengran rested her head gently on Chen Dong's shoulder, while Chen Dong wrapped his arm around her, offering her some warmth.

Guo Miao and Yu Qin sat opposite each other. Guo Miao tried to shrink into the seat as much as possible to make himself more comfortable, but the cramped seat was really difficult for someone with a large build.

The train started slowly, and the wheels made a "clang clang" sound as they rubbed against the rails.

The scenery outside the window flashed by quickly like a slideshow, gradually transitioning from the bare trees and gray earth of the north to the slightly humid and lush landscape of the south.

The trees began to turn green, and the fields gradually became vibrant with life.

"Dongzi, do you think there will be any changes at home when we go back this time?" Chu Mengran asked softly, her voice as gentle as the breeze outside the window.

"The changes will definitely not be significant. We are Nanjiang County, not the neighboring Shenzhen City, where there are changes almost every short period of time."

Chen Dong said with a wry smile, a slight upturn at the corners of his mouth revealing a hint of helplessness.

However, the future is uncertain, Chen Dong thought to himself.

In the past life, Nanjiang County didn't change much, but this life might be different.

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