Recently Updatedpy/obj: Optimise mp_obj_get_type for immediate objs with repr A and C.
py/obj: Add MICROPY_OBJ_IMMEDIATE_OBJS option to reduce code size.
py/obj.h: Redefine qstr object encoding to add...
Do you know a perfect website? Not only will there be no pop-up ads when you click on the link on the homepage, but there are also a whole set of exquisite electronic experiment tutorials. The content...
Recently, Jessica Zhou, senior sales manager of Qorvo UWB Division, was interviewed by a reporter. In the interview, she shared some of Qorvo's views on UWB, which we excerpt as follows:
As the articl...
This is a temperature display program, using DS18B20 to measure temperature. I have a few questions to ask you. 1. What do the last three arrays (red) in the four arrays mean? Especially the last one,...
As the title says: Under ADS1.2 (processor pxa270), can I use malloc? For example: void main() { char strTitle[] = "*************Pxa270Boot*************"; char *pch = (char *)malloc(strlen(strTile)); ...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
Sensors have made inroads into automotive, medical, industrial and aerospace applications. But you may not see anything changing yet. Growing demands for safety, convenience, entertainment and efficie...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
Abstract:
An amplifier solution for ceramic speaker systems is presented.
Keywords:
audio; ceramic speaker; amplifier; Class G
Today's portable devices require smaller, thinne...[Details]
Abstract:
Using TMS320F2812 DSP chip as the control unit, without any gate control device control, the rich software resources of DSP 2812 are used to achieve equal precision measurement. A...[Details]
With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium- and high-power indoor lighting, outdoor lighting, an...[Details]
0 Introduction
The rapid development of wireless communication technology and video compression technology has made wireless video transmission a hot topic of research. Wireless video tran...[Details]
0 Introduction
High-frequency switching power supplies have been widely used in the communication and low-voltage industries, and have gradually been used in power systems, due to their ad...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the fol...[Details]
1 Introduction
As the requirements for the capacity and quality of power supply systems for high-end equipment in industries such as electricity, communications, aviation, large informatio...[Details]