TI wireless module CC2500 is a RF chip working at 2.4GHZ. Its typical application circuit is as follows:However, developers can buy ready-made CC2500 wireless modules. There are specialized manufactur...
[size=3]Participate in the event and share the wonderful disassembly:[/size] [color=#0000ff][url=https://bbs.eeworld.com.cn/thread-468176-1-1.html]#以拆会友#Environmentally friendly USB electronic cigaret...
RT, I have a JY901 gyroscope, which comes with a HC06 Bluetooth transparent transmission module. Then I want to use ESP32's Bluetooth to connect to HC06 and read HC06 data, but HC06 is a Bluetooth tra...
1. I rented a copy of Kindaichi at a comic bar once. I burst into tears as soon as I read the second page. I don’t know who drew a circle on a character with a blue ballpoint pen and wrote, “This is t...
IT people often say: The industry with the most petty bourgeoisie sentiment, with the most hardcore bachelors with an average annual salary of more than 60,000 yuan, is our IT circle. You should know ...
Use I2C bus to read data from EEPROM. The slaveaddr of EEPROM has been written to the SDA pin of EEPROM, and EEPROM has also sent a low-level ACK confirmation. However, EEPROM did not return any data,...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]