Test tools: 1. Adjustable DC power supply 2. Multimeter Test time: 20181009 Environment: 26℃ , 46%RH Test items: 1. Leakage current Short-circuit the drive end pin2 and pin3 of TLP3547F, apply 60VDC b...
The homework requires me to use 8951 and analog AD574 or AD1674 and smart meter to measure the voltage and frequency of AC power respectively, and also need 4-digit LED output results. It is due next ...
Nowadays, learning, developing software, and researching open source are inseparable from GitHub. However, due to various reasons, we often encounter various problems and inconveniences when accessing...
[i=s]This post was last edited by damiaa on 2021-6-23 15:20[/i]【EVK-NINA-B400 Evaluation Kit】+Run zigbee light_control routine
1. Install Keil 5.25 or above.
2. Download nRF5_SDK_for_Thread_and_Zigbee...
Introduction: Consumers are demanding more power, smaller size, and higher efficiency from their home appliances, garden tools, and motor-driven products. Like many consumer electronics products, cons...
A common DC-DC converter problem is generating a regulated voltage when the input voltage may be above, below, or equal to the output, that is, the converter must perform both step-up and step-down op...
1. Let's talk about the buzzer first. The buzzer is a silver metal, as shown in the figure below. Some of them do not have welding cables. It mainly relies on two vibration plates to convert electr...[Details]
1. Initial understanding of FSMC: FSMC consists of 4 modules: (1) AHB interface (including FSMC configuration register) (2) NOR flash memory and PSRAM controller (when driving LCD, LCD is like a PSRA...[Details]
1. Overview
Infrared temperature measurement technology plays an important role in product quality control and monitoring, online equipment fault diagnosis and safety protection, and energy co...[Details]
According to previous reports from the Technology Patent Office, BYD has officially upgraded its technology patents to more advanced ones. It is most likely that it will be the DM5.0 plug-in hybrid p...[Details]
By Edward Ong, Senior Product Marketing Manager, Power Integrations
Power supply designers today face two main issues: eliminating harmful input harmonic currents and ensuring that the...[Details]
A typical EMI filter is used to suppress conducted EMI noise. Common mode noise is suppressed by using double wound toroidal inductors (LCM1 and LCM2). The way these inductors are wound on a single...[Details]
As long as there are electronic signals, there may be electromagnetic interference (EMI) problems with electronic products used near them. Electromagnetic interference is a common problem in daily ...[Details]
With the start of construction of Tesla's Shanghai Super Factory, domestically produced Teslas have also started selling. Tesla announced that the Model 3 Standard Range Plus (Made in China) with b...[Details]
Bits 6:4 of the TIMx_CCMR1 register in the data sheet determine the timer output PWM modes: 000: Freeze. The comparison between the output compare register TIMx_CCR1 and the counter TIMx_CNT has n...[Details]
DTC (diagnostic trouble code, 3 bytes in length) is used to record fault information when an ECU fails, such as fault triggering conditions, fault clearing conditions, system function performance, ...[Details]
The reduction motor is a common power transmission mechanism used in various mechanical transmission systems. The installation and use of the reduction motor is directly related to the operating ef...[Details]
The above figure shows a CMOS XOR gate circuit. It consists of a NOR gate and an AND-NOR gate. The output of the NOR gate is the XOR of inputs A and B.
If an inverter is added after the...[Details]
Today, blogger @数码闲聊站 revealed that the three flagships, Redmi K50 Gaming Edition, Redmi K50 and Redmi K50 Pro, all have side physical fingerprint solutions. Later, one model will use an under-...[Details]
The auto-coupling step-down starting control cabinet is a commonly used motor starting device. It uses an autotransformer to reduce the starting voltage of the motor, thereby reducing the starting ...[Details]