[i=s]This post was last edited by dsjsjf on 2019-3-1 11:16[/i] [url=https://en.eeworld.com/bbs/elecplay/content/103]The development board ST NUCLEO-H743ZI evaluated in this event is provided by STMicr...
What is the relationship between the speed ratio of the reduction mechanism and the lever ratio? What is the relationship between the force of the first gear and the last gear?For example, in the figu...
The software uses ADC (ESP-12) to read the voltage and it reads 1V, but when it is measured with an ammeter or oscilloscope, it is only 0.5V. At this time, the voltage read by ADC will also become 0.5...
The BlueNRG-LP Bluetooth Low Energy wireless system-on-chip is an ultra-low power, programmable solution with a 2.4GHz advanced RF radio IP for ultra-low latency applications. The BlueNRG-LP SoC compl...
Magnetostrictive level gauge can be used to measure the interface between two different liquids. Explosion-proof design, suitable for dangerous occasions, intelligent electronic circuit design can ca...[Details]
In the past few days, the 20th Shanghai International Automobile Industry Exhibition is being held in full swing, with the theme of "Embracing the New Era of the Automotive Industry". The so-called...[Details]
Transplant ssh to arm Today, I referred to several senior articles on the Internet and transplanted ssh to the arm board of TQ2440. Now I don't need to use minicom to control uclinux. The serial port...[Details]
The company has a Fuxu AT91RM9200 board, which comes with u-boot-0.40 and 2.4.19 kernel. I decided to port u-boot-1.1.6 and 2.6 kernel to it, and thus began to enter the world of embedded Linux. My d...[Details]
The correct selection and use of relays are shown in the figure below:
1 Selection by use environment
The use environment conditions mainly refer to temperature (maximum and minimu...[Details]
LTC4310 is an isolated bidirectional I2C
bus
communication device. Each device can encode the I2C logic state into a signal and transmit it to another device through the insulation layer. T...[Details]
When using the Type-C waterproof jellyfish holder, it must be used and stored correctly to avoid unnecessary trouble.
When receiving the Type-C waterproof jellyfish socket, we need to ob...[Details]
( October 27 , 2023 , Shanghai ) As one of the world's leading companies in the fields of industrial automation, informatization and digital transformation, Rockwell Automation will appear at t...[Details]
Effective heat dissipation model solves the problem of overheating in data centers. I don’t know if data centers have done such statistics, but according to the data provided by Emerson, about 2/3 ...[Details]
The digital tubes sold on the market are generally very small. I made a very large digital tube by myself using LED light-emitting tubes. The display effect is very good when hung at home. The fo...[Details]
This article will explain in detail the reliability test method judgment criteria in power module testing
1. Repeated power on and off test
Test instruction:
When the power modu...[Details]
Data released by the China Academy of Information and Communications Technology on the 10th showed that from January to August, the cumulative shipments of 5G mobile phones in the Chinese domes...[Details]
Please do not blame me for the poor hand-drawn schematic diagram of the DIY laser engraving machine by others. The circuit schematic diagram in the experimental exercise is as follows: The microcon...[Details]
Positive and negative 5V regulated power supply circuit designed by TPS7350: As shown in Figure 7, TPS7350 and TPS6735 are used as +5V and -5V regulated power supplies respectively.
...[Details]