Before BLE is connected, the peripheral device needs to broadcast continuously, and the central device scans, discovers the broadcast and then connects.But how to configure the broadcast data? This is...
lehuijieonsemi and Avnet IoT Innovation Design Competition
Recently, the domestic chip that has been praised by old forum friends , the 800MHz RISC-V MCU theme live broadcast is coming, coming~
This Wednesday night from 20:00 to 21:00, we have invited senior ...
Ripple exists in theory and in practice. There are five common ways to suppress or reduce it:
1. Increase inductance and output capacitor filtering
According to the formula of switching power supply, ...
The measuring range is 10Hz-50Mhz, and it is displayed by an 8-digit digital tube. The principle of the digital frequency meter is very simple, which is to calculate the number of pulses of the signal...
The same hardware and software have a normal quiescent current of 100uA. Why do some machines reach 120 or 130uA? What's the reason? I have been looking for a long time but have not found the reason....
This kind of DC60V 100AH battery pack is converted into AC220V15A and has a solar MPPT power tracking energy storage power supply. Who has designed it before? Or has a solution? It can provide PCBA, n...
In recent years, as the global LCD panel production capacity has been continuously transferred to mainland China, mainland China's LCD panel production capacity has accounted for nearly 60% of the gl...[Details]
When the current to be measured is large, the resistance R value is often required to be very small to avoid negative effects such as excessive voltage division and resistance heating. At this time, ...[Details]
The current 5G mobile phone industry chain is in an accelerated construction period. Based on the network transformation from 4G to 5G, 5G mobile phones will face new demands for high speed and high ...[Details]
In view of the chaotic market competition in the LED lighting market, many businesses have adopted a vicious price war. It is also very difficult for consumers to understand LED chips as they hav...[Details]
Development platform: AVR128 Transplantation system: uC/OS-II Function: The system establishes two tasks, operating "8 LEDs" and "buzzer" (attached with the schematic diagram of the LED and buzzer ...[Details]
China Energy Storage Network News:
Recently, the Ministry of Industry and Information Technology, the National Development and Reform Commission, the Ministry of Science and Technology, the...[Details]
1. Introduction For all mid-range PIC microcontrollers, when the top 4 pins (RB7~RB4) of PORTB are set to input mode, when the input level changes from high to low or from low to high, the microcontr...[Details]
1 Overview Early intelligent electronic door locks were magnetic card locks that used magnetic cards as door keys, and were mainly used in hotel rooms. With the development of semiconductor technolo...[Details]
In
wireless
communication, data transmission is carried out in space, so the data communication of passive
electronic
tags involves communication and information security technologi...[Details]
Today, most cell phones, computers and cars are powered by lithium batteries. According to foreign media reports, a new review paper from Hong Kong Polytechnic University shows that the performance o...[Details]
With the rapid development of modern electronic design methods, EDA simulation technology is increasingly used in actual circuit design. EDA technology first establishes a circuit model and then a...[Details]
The reasons why electromagnetic flowmeters produce errors during measurement are:
1. The liquid in the pipe is not full. Due to insufficient back pressure or poor installation position of the flo...[Details]
I followed the wiring instructions and finally it worked.
The production
was a little slow this time, but it was a good idea to take your time and do a good job. I am quite satisfied wit...[Details]
On October 12, Xinjiang Company and some tertiary industry companies were invited to attend the investment promotion symposium and signing ceremony held by the Wusu Municipal People's Government an...[Details]
onsemi and Avnet IoT Innovation Design Competition
京公网安备 11010802033920号
EEWORLD
