ESP32 has a Hall sensor inside that can sense changes in the strength of the external magnetic field. The Hall sensor is connected to channel 8 of ADC1 of ESP32. The Hall sensor value can be obtained ...
I am a newbie, and I want to make a phase-locked amplifier with a reference signal frequency of 5MHz~7MHz. I have checked some information but still have no idea. Can any expert give me some advice?...
What is01Transparent transmission
The module is open and transparent to the user . No matter what is transmitted, the device used only acts as a channel .
Transmit the content to be transmitted intact...
Currently there is a generator power supply with an output voltage of about 5v/20uA, which cannot directly drive the back-end circuit.
Now I want to connect a supercapacitor to it. During the charging...
1 Introduction High-performance, high-reliability and high-efficiency DC power supply systems are widely used in many fields such as electricity, telecommunications, petrochemicals and metallurgy. ...[Details]
1. Introduction After a certain period of use of electronic instruments, or due to improper maintenance and use, the circuit components, electronic devices, step switches, indicating meters, power t...[Details]
In recent years, due to the rapid development of LED technology, the main performance indicators have been greatly improved. At present, the luminous exceeds 200lm/W, and the industrialization le...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
On January 13, the Shenzhen Regulatory Bureau disclosed CITIC Securities' registration information for the initial public offering and listing guidance of Xinsijie Technology (Shenzhen) Co., Ltd. (h...[Details]
Last month, I wrote an article titled "Interpretation of the Pricing Method of Transmission and Distribution Electricity Prices, Comparison with Version 16", and later found that the analysis of th...[Details]
When the meter is working, if the user feels numbness when touching the case, it indicates that the meter has leakage. Possible Causes: (1) The loop wire or spring lead touches the shell. (2) The u...[Details]
As shown in the figure, the circuit is required to count and display the number of times the button is pressed. When the button is pressed once, the count value increases by 1 (it is required to accu...[Details]
1. Technical parameters of the frequency-dependent dielectric loss tester
1. High voltage output: 0.5~10kV, each level increases by 500V, there are ten levels in total, output capacity: 1.5KVA
2. A...[Details]
@Sudhanshu1414 revealed the detailed configuration of Samsung Galaxy A20s on the social networking site. According to the information exposed by Sudhanshu1414, the Samsung Galaxy A20s will us...[Details]
South Korea's semiconductor industry has been hit hard again recently. The latest data shows that South Korea's chip production fell for the fourth consecutive month in November last year, down 15...[Details]
This article introduces the main features, block diagram and typical application circuit of LTCR3589. Linear's LTCR3589 is an eight-output power regulator with timing and I2C, which is a complete powe...[Details]
1. Introduction:
Gallium nitride
LEDs
are currently widely used in various handheld devices, backlight components, camera flashes, and full-color outdoor large
displays
. Ho...[Details]
Yesterday, China Unicom officially announced the final prices of six 5G mobile phones and one 5G CPE. Each phone is expensive. These include six 5G mobile phones such as Huawei Mate 20 X 5G, ZTE Axon...[Details]
Real-time clock request interrupt. In the control, when timing detection and control are encountered, an external clock circuit (programmable) is often used to control its time interval. When timing ...[Details]