Based on the characteristics of wireless sensor networks, this paper designs a wireless sensor node for temperature and humidity measurement with CC2430 chip as the core. In order to reduce the power ...
If an active clamp PWM controller (such as UCC2894) is then added, the overall efficiency of the LCDTV power system can be optimized because a series of well-defined functions realize zero current swi...
The following is a constant current circuit diagram of a charging circuit. During debugging, it was found that the 5th pin of the dual op amp IC could not be stabilized. After disconnecting R35, it be...
[i=s]This post was last edited by littleshrimp on 2019-3-28 22:26[/i] The LSM6DSL iNEMO Inertial Module is a "normally on" system-in-package device that includes a 3D digital accelerometer and a 3D di...
EVM for Water
EVM for water and gasUSB powered and provides external power
Provides connectors for connecting different types of transmitters
BoosterPack plug-in module headers available to connect ex...
The TI analog switch chip TS3DV642A0RUAR does not support 4K 60HZ in the specification, but the turbo frequency can reach 60HZ. What is the reason? Please help...
If you want to repair a relatively unfamiliar circuit board without any schematic diagram, the so-called "experience" in the past will be of little use. Although people with a solid hardware foundatio...[Details]
According to data from market research firm eMarketer, in 2017, 35.6 million U.S. consumers used voice-controlled devices at least once a month, and that number is growing at a compound annual growth...[Details]
According to foreign media reports, electronic vision and connected car technology supplier Gentex and vehicle transaction solution provider PayByCar announced a business cooperation on November 30. ...[Details]
When a car is driving down a narrow city street, the glossy paint of a parked car or the reflection in a rearview mirror can help the driver see something otherwise hidden from view, such as a child ...[Details]
The program source code is as follows #include pic.h //Pin definition #define din RC7 //Display serial data input terminal #define load RC6 //Display data latch terminal #define clk RC5 //Displa...[Details]
DC/DC module power supply is increasingly widely used in the fields of communication, network, industrial control, railway, military, etc. due to its small size, excellent performance and convenient ...[Details]
LTE （Long Term Evolution）是3GPP展开的对UMTS技术的长期演进计划。LTE具有高数据速率、低延迟、分组传送、广域覆盖和向下兼容等显著优势 ，在各种“准4G”标准中脱颖而出，最具竞争力和运营潜力。运营商普遍选择LTE，为全球移动通信产业指明了技术发展的方向。设备制造商亦纷纷加大在LTE领域的投入，其中包括华为、北电、NEC和大唐等一流设备制造商，从而有力地推动LTE...[Details]
Users can configure the fuse bits of AVR using parallel programming, ISP programming, and JTAG programming, but different programming tool software provide different configuration methods for fuse bi...[Details]
The AT89S51 microcontroller has a bit processor inside, which has a rich set of bit operation instructions for the bit address space. 1. Data bit transfer instructions The function of thi...[Details]
According to foreign media reports on December 29, LG Innotek, which is supplying camera modules for the electric pickup truck Cybertruck produced at Tesla’s Texas Gigafactory, is also competing for ...[Details]
BootLoader is the first step in the development of embedded system software. It connects the operating system and hardware platform. It is very important for the subsequent software development of em...[Details]
1. The EQU instruction is used to assign a value or register name to a specified symbol name. Format: symbol name EQU expression Symbolic Name EQU Register Name The expression must be a simp...[Details]
Abstract: A high-bandwidth, low-noise voltage-controlled oscillator (VCO) based on Ethernet physical layer clock synchronization is studied. The VCO adopts a cross-coupled current-starved ring osci...[Details]
I recently reviewed the microcontroller and simulated it through proteus 7.8. The effect was good. The microcontroller program is as follows: /* 51 MCU key and digital tube experiment, simula...[Details]
2. Flowing light design and buzzer sound 1. Simple delay program: Use the while() loop to achieve a delay effect #include reg52.h void main() { sbit D1=p1^0; //declare a variable, set p0 equ...[Details]
RF/Wirelessly
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