DIY practical household high-decibel countdown reminder, with simple operation, high reliability, safety and practicality. It is best to use it in the family kitchen. It is particularly convenient and...
It is easy to find 100fF capacitors as parasitic elements in your power supply. You must understand that you have to deal with them to get a power supply that complies with EMI standards.A small amoun...
1. What is the inverted state of a transistor? When the collector junction is forward biased and the emitter junction is reverse biased, it is an inverted state; when the collector junction is forward...
When porting from CH32F103 to CH32V103, the original program has IAP. After switching to RISC-V, I don't know how to convert the instructions. The main questions are:
1. In the ld file, the ROM start ...
What a talent! The test result of the pegboard: in a normal office environment, the communication distance with the mobile phone is up to 30 meters.
The antenna is a solder wire of about 31mm, which i...
1. Input voltage is too high
The input parameter of the power module is abnormal - the input voltage is too high. This abnormality can cause the system to not work properly, or even burn the circuit. ...
Two days ago, Apple officially launched the new Cangling Green color of the iPhone 13 Pro at its spring conference, and will officially start accepting pre-orders today, with a starting price o...[Details]
Solid-state drives are essential hardware for gaming platforms. Their ultra-high read and write speeds greatly increase the speed at which files are loaded. If you don't have an SSD, you'd be embarra...[Details]
Recently, at a Cypress media communication meeting, Wen Junpei, Asia Pacific Marketing Director of Cypress Semiconductor's Automotive Electronics Division, said, "The compound growth rate of the enti...[Details]
Language names everything and legislates nature. We have tools to interact and communicate with the real world. The more developed the language, the richer and deeper our understanding of reality b...[Details]
In the robot electromechanical control system, the control effect of the servo is an important factor affecting the performance. The servo can be used as a basic output actuator in micro-electromec...[Details]
The development board used is from Puzhong Technology. A dot matrix display module is composed of 8x8 LEDs with a total of 64 LEDs connected in a common cathode or common anode manner. The negative...[Details]
Assume that both the augend NA and the addend NB are three-byte compressed BCD codes, which are stored in the internal RAM units 20H~22H and 30H~32H, respectively, with the low digit first and the hi...[Details]
Expanding access bandwidth and efficiently utilizing limited optical fiber resources are a pair of contradictions in operators' broadband speed-up. The introduction of WDM-PON improves optical fiber u...[Details]
10BASE-T1S is the missing link to achieve full Ethernetization of edge devices in Industry 4.0, automotive IVN, and smart buildings, and can be connected to the 100/1000BASE-T1 Ethernet backbone ne...[Details]
This program is modified from the previous program, deleting the year, month, and day and replacing them with adjustable upper and lower temperature limits.
With adjustable time and week funct...[Details]
EPS emergency power supply can be said to be an emerging industry that has developed rapidly in the past two years. Compared with the mature UPS, it has similarities and differences.
The diffe...[Details]
On July 6, Apple disclosed five new patent applications related to car audio systems. These five patent applications include innovations in multiple aspects such as headrests, doors, mobile phones, a...[Details]
On February 18, the official website of the Ministry of Industry and Information Technology released the "Interpretation of the Industrial Internet Innovation and Development Action Plan (2021-2023)"...[Details]
Exploring intelligent deployment in multiple industry scenarios, Intel uses its "Surging Ecosystem" to drive super cloud terminals into the era of integration
October 13, 2022, Hangz...[Details]
With the continuous improvement of people's living standards and the development of intelligent home appliances, the smart home appliance market will continue to accelerate in the future, and t...[Details]
DIY/Open Source Hardware
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