The following figure is a laser flashlight circuit diagram. The circuit is very simple, and it only needs a battery, a resistor, and a transistor. Laser flashlights are cheap and good quality, with a ...
The system tick was used to display the date and time. Since no clock chip was added, the clock of this test project is not very accurate, with an error of several seconds per hour. Although the inter...
The op amp is ubiquitous. It has a long history dating back to the days of analog computers and has become an iconic product in analog electronics. Why are op amps so popular? What products might repl...
1. Description MCU: Lingzhi open source development board Temperature and humidity module: SHT3X Development tool: Lingzhi laboratory software development tool Function: Measure the temperature and hu...
This is the waveform after amplification when there are no bubbles in the pipe. There are two sections. Is the first section generated spontaneously by the circuit? Is only the second section generate...
Introduction: The 6% Luer conical connector multi-function tester adopts a 7-inch colorful LCD touch screen with Chinese menu display. The nominal capacity of the syringe is selected through the keyb...[Details]
I have seen many good time-delay programs on the forum, which are organized as follows for sharing:
Accurate delay calculation formula:
Delay time = *third layer loop + 5
; D...[Details]
8031/8051/8751 are early products of Intel.
1. Characteristics of 8031
The 8031 chip does not have a program memory ROM. When using it, the user needs an external program memory and a logic cir...[Details]
TSMC, the world's leading foundry, notified its customers on August 25 that starting today, new orders for processes above 7 nanometers will see a 20% price increase across the board, and advanced pr...[Details]
Axial flux motors have many advantages over radial flux motors in electric vehicle design. For example, axial flux motors can change the way the powertrain is designed by moving the motor from the ...[Details]
Switching power supplies have become increasingly popular due to their small size, light weight, and high efficiency. MOSFET has become one of the most commonly used power switching devices in swit...[Details]
The figure shows the circuit diagram of white noise electronic lullaby. The current (generated by the irregular movement of electrons) is amplified by transistor VT2 and output from earphone BE, emit...[Details]
At present, the main functions of energy Internet include five aspects:
First, it can improve energy utilization efficiency and resource allocation level, promote the interconnection and compl...[Details]
CCFL cold cathode lamp is a new type of lighting source; CCFL lamp tube has the advantages of small tube, simple structure, small temperature rise on the surface of the lamp tube, high brightness ...[Details]
The main interference sources and coupling paths of the IGBT drive circuit in the three-level inverter system are analyzed. On this basis, some issues of the EMC design of the IGBT drive circuit a...[Details]
On September 25, GF launched the 12LP+ process at its global technology conference, which is mainly aimed at artificial intelligence training and reasoning applications. Compared with the previous ge...[Details]
To analyze the boot process of arm2440, we must first understand the hardware configuration of arm2440. There is no storage chip in the arm2440 CPU, except for a 4kb SRAM (static memory can run progr...[Details]
On July 20, 2023, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market,
announced that its subsidiary U-Shang has launched a GaN power ...[Details]
Today, let's first play with the compilation and downloading of the Linux kernel. 1. Background Development environment: 64-bit Ubuntu 14.04; Compilation tool: arm-linux-gcc 4.4.3; Download tool: S...[Details]
On November 3, the reporter learned from Panzhihua Urban Construction and Transportation (Group) Co., Ltd. that Panxi Financial Leasing (Shanghai) Co., Ltd. (hereinafter referred to as Rongzuo Company...[Details]