Hello everyone, my purpose is this: 3.3V |------R-------||------------|Gnd P1.3 connects a resistor to the middle of the RC above, P1.3 first outputs 0 to discharge the capacitor, then becomes an inpu...
Explain to beginners what a multimeter is A multimeter, also known as a multimeter, three-meter, or multiplexer, is a multifunctional, multi-range measuring instrument. Generally, a multimeter can mea...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]
Introduction
In the wastewater discharged from steel plants, the water contains a large amount of waste slag and oil. If the waste slag and oil are separated from the water, the water can be us...[Details]
The single-chip automatic alarm device composed of MODEM chip can transmit alarm information over long distances with the help of the telephone exchange network within factories and enterprises, or...[Details]
1. Overview
In the configuration of the automation system, we must ensure that the system is advanced, reliable and reasonable, and avoid redundant functions and reduce investment costs. From 2...[Details]
1 Introduction
When studying electronic courses such as "Electronic Circuits" and "Signal Processing", college students only understand the real signal characteristics in theory. They cannot r...[Details]
The following text is only about the modulation algorithm of Bluetooth technology. I think it is enough to add the Bluetooth module to the microcontroller, and it is not necessary to implement the ...[Details]
Nokia's Lumia phones on sale will not be able to upgrade to WP8 system
Last week, Microsoft's (Weibo) Windows Phone 8 system was launched in a grand ceremony, attracting the attention of the...[Details]
Preface
For a new antenna, we usually care about its
three main performance indicators:
standing wave
coefficient, gain and radiation pattern. In a suitable microwave darkroom, these th...[Details]