byMa ZheAlthough the Internet of Everything is still just a beautiful vision, more and more intelligent IoT applications are indeed making our work and life more convenient and interesting. With the r...
In 2019, I was busy at work a lot. I said I was busy, but in fact, I was very idle. The reason why I failed to complete the orders was that I made myself busy. I ran from the company to the factory fo...
Let's talk about "fake" today
Have you ever wondered: the circuit cannot be debugged, "I may have bought a fake chip"?
Do you have any doubts: Is it a problem with your circuit design or debugging?
Ha...
Since I took the sleeper train from Beijing to my hometown on January 18th, I have only been out 4 times (once to go shopping for New Year clothes, and the remaining three times to take my children to...
On the evening of June 2nd, Beijing time, Huawei officially released HarmonyOS 2 and a number of new products equipped with HarmonyOS 2.
This also means that "mobile phones equipped with HarmonyOS" ha...
With Tesla's disruptive changes in the fields of electrification and autonomous driving technology, the development of automobiles towards electrification and intelligence has gradually become an ind...[Details]
Method of designing beautiful sound tube preamplifier based on 6n2
Assembling a tube preamplifier is the first choice for those who want to DIY tube amplifiers.
1. Key points of tub...[Details]
Phillips-Medisize Expands Global Manufacturing Capabilities, Capabilities and Collaborations to Advance Innovation in Drug Delivery, Diagnostics and Medical Technologies • Leader in medical and p...[Details]
The challenge for automotive designers is to implement a battery management system that ensures safety and long battery life without complex circuitry.
The countdown has begun: autonomou...[Details]
CMMB wireless network test parameters
(1) RSSI (Received Signal Strength Indicator)
RSSI is the strength of the received signal. In a wireless environment, the signal attenuation ...[Details]
Portable and wearable medical devices represent a large, high-growth market in the medical technology industry. Patient monitors are evolving from fixed devices at hospital bedsides to small, lightwe...[Details]
1. The overall structure of AT89C51 microcontroller
2. External structure of AT89C51 microcontroller
3. Internal structure of AT89C51 microcontroller
4. Pin structure of AT89C51 microcontroll...[Details]
MACRO
$HandlerLabel HANDLER $HandleLabel
$HandlerLabel
sub sp,sp,#4 ;decrement sp(to store jump address) stores PC jump address
stmfd sp!,{r0} ;PUSH the work register to stack(l...[Details]
The figure shows the main circuit of the dual-tube forward PWM converter. The secondary circuit of the transformer is the same as that of the single-tube forward PWM converter, but the primary wind...[Details]
On the evening of June 14, Huaxing Yuanchuang announced that the company received a reply from the China Securities Regulatory Commission, approving the company's registration application to issue 18...[Details]
China Energy Storage Network News:
On March 22, after 6 months of construction and commissioning, the Nanjiao Monitoring Hall and Substation Centralized Control System of Anhui Hefei Power ...[Details]
The closed-loop servo system is a high-precision, high-response speed control system widely used in industrial automation, robotics, aerospace and other fields. The closed-loop servo system consist...[Details]
According to the working mode of UPS, it can be divided into online UPS and offline UPS. Offline UPS is also called post-type UPS, which can also be divided into sine wave output, square wave outpu...[Details]
Emitter Static Bias Circuit of Common Emitter Amplifier
The emitter static potential and bias voltage forming circuit (i.e., voltage follower) of the common-emitter amplifiers V502, V504, and V...[Details]
A multimeter is a commonly used measurement tool that can be used to measure parameters such as voltage, current, and resistance. However, for the measurement of temperature sensors, a multimeter m...[Details]
RF/Wirelessly
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