Creating an Oscilloscope Using a Television

Creating an Oscilloscope Using a Television

Back in 1989, when I couldn’t afford an oscilloscope but really wanted one, I searched through all the bookstores in the county and finally found a schematic for making an oscilloscope using a television. After building it, I used it for many years. Now, finished oscilloscopes are everywhere, and I don’t know which mouse has … Read more

Surrounded by My DIY RISC-V Car at the Xuantie Conference!

Surrounded by My DIY RISC-V Car at the Xuantie Conference!

With just10 days, can one DIY a RISC-V car? Gu Jiaqi, an intern from the Chaochen Project’s Chengfeng Team, delivered a surprising answer. From February 8, during the Spring Festival holiday, to February 18, when he completed the assembly of a prototype equipped with the Xuantie TH1520 chip, Gu Jiaqi arrived at the Xuantie Conference … Read more

DIY Smartphone-Controlled Drone: A Cool Experience from Theory to Practice

DIY Smartphone-Controlled Drone: A Cool Experience from Theory to Practice

Introduction In today’s rapidly advancing technology landscape, drones are no longer a novelty. Once merely a quirky toy for niche enthusiasts, they have transformed into valuable assistants in fields such as photography, agriculture, and defense. The price range is vast, from entry-level toys costing a few dozen yuan to professional high-end equipment worth millions, leaving … Read more

DIY | How to Print Your Own Circuit Board

DIY | How to Print Your Own Circuit Board

DIYer: Smiling Duck Production Time: Half a Day Difficulty Level: ★★☆☆☆ GEEK Index: ★★★☆☆ Are you still using a universal board for repairs? Are you struggling to create the circuit and layout you want with a universal board? For many electronic enthusiasts today, a universal board can no longer meet the production needs, but having … Read more

Model Aircraft Life: The Birth of an Oscilloscope

Model Aircraft Life: The Birth of an Oscilloscope

Contributed by: Science and Technology Innovation Research Office Edited by:Office My name is Zhao Zihao, a student in Grade 7, Class 60, who loves electronic production. I have many tools at home, such as multimeters, clamp meters, and soldering irons. Once, the model aircraft teacher Yang Yue mentioned oscilloscopes, which sparked my great interest. I … Read more

Disassembling an Old Smartwatch with a Self-Destruct Switch?

Disassembling an Old Smartwatch with a Self-Destruct Switch?

In 2016, I remember that only time-telling wristbands were quite popular. At that time, companies like Xiaomi, Huami, and Apple hadn’t yet ventured into the smartwatch market. I randomly bought my first DIY watch face watch from a crowdfunding site. Now, let’s take it apart and see its internal structure! Here’s a picture of the … Read more

DIY Simple AT89C51 Microcontroller Programmer

DIY Simple AT89C51 Microcontroller Programmer

The AT89C51 is one of the most widely used 8051 microcontrollers, and importantly, it has the feature of being reprogrammable (FLASH). Generally, it can be rewritten 1000 times, providing a low-cost platform for beginners to experiment. To meet the hands-on needs of microcontroller enthusiasts, I spent half a month designing and successfully creating a simple … Read more