I designed two circuit boards, which use 485 communication. Both use the MAX3471 485 conversion chip. The power supply voltages are 5V and 3.3V respectively. During the test, I found that the communic...
The use of digital multimeters has become very popular, but in common books on electrical technology, the measurement method of semiconductors is mostly using pointer multimeters, and the use of digit...
[i=s]This post was last edited by johnrey on 2015-7-15 21:23[/i] [color=#000][font=Tahoma,]LPC810 has many timers, including SCTimer, MRT, systick, WWDT and WKT. SCTimer looks complicated, so let's pl...
[size=5][color=red]Recently I found that when uploading large data to the forum, the speed is very slow. [/color][/size] [size=5][color=red]I wonder if there can be a small fast upload tool in the for...
Circuit Design Technology and Techniques (Second Edition) - Foreign Electronics and Communications Textbook Series Author: (UK) Williams (WilliamsT) Abstract This book comprehensively and systematical...
ZTE,
caught
in the vortex of
the US ban on the sale
of chips
, has sounded the alarm for China's information technology industry and revealed China's "chip disease". Let's follow the ...[Details]
1.MAX31865 (1 Introduction The MAX31865 is an easy-to-use thermistor-to-digital converter optimized for platinum resistance temperature detectors (RTDs). External resistors set the RTD sensitivity, a...[Details]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[Details]
1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab; 2. About the transplantation of DSP li...[Details]
Although it is early summer, the Chinese smartphone market is still in the cold winter, just like Beijing in April with snow. For mobile phone brands caught in the middle, the cold is even more bit...[Details]
Artificial intelligence
There is no inherent bias in AI. It does not "think" something is true or false for reasons that cannot be explained by logic. Unfortunately, human bias exists in mach...[Details]
This example is mainly to familiarize yourself with the register configuration of Timer A and the configuration method of IAR. /*********************************************** Program function: re...[Details]
Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[Details]
Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]
I have been working on a stm32 project recently and have been struggling with its startup method. I saw a good article and reposted it. The format of the original article is not very good, and there...[Details]
In the packaging process of a production line, every time the conveyor belt of the production line delivers a product to the packaging machine, the "SP" terminal outputs a pulse to the T1 terminal of...[Details]
There are many types of blood glucose meters on the market, with different structures and shapes, prices and accuracy. It is difficult to achieve both price and accuracy. The reason is that a sui...[Details]
1 Main features of EM78P447S The EM78 series of MCUs are 8-bit high-cost-effective MCUs manufactured by Taiwan Elan Electronics Co., Ltd. using CMOS technology. This series of MCUs generally have bui...[Details]
HT47 Timer Application include ht47c20.inc data .section 'data' int_count db ? io_count db ? code .section at 0 'code' org 00h jmp start org 04h reti org 08h reti org 0ch reti org 10h jmp...[Details]
include ht47c20.inc data .section 'data' count db ? code .section at 0 'code' org 00h jmp start org 04h reti org 08h reti org 0ch jmp rtc_int org 10h reti ;**************************** star...[Details]