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!

In just 10 days, is it possible to 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 … 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