We received the imx8mplus development board from PHYTEC for evaluation, and last time we had it up, everything was working fine.
The official website comes with a paper document for rapid development,...
[i=s]This post was last edited by hehung on 2022-3-6 19:28[/i]PrefaceRTC is a good choice for recording time. It does not require an external clock chip and can also achieve the purpose of obtaining a...
1. ADN8834 power-on probability VREF oscillation causes the chip to not work
Oscillation phenomenon; Test conditions: VLIM=0V~0.5V, T=25C, VCC RC: 30ohm, 22nf; ICC=10mA when VERF is normal, abnormal c...
Let’s start with a simple question: How fast can the GPIO flip speed of STM32 (for example, used to simulate timing) be? Write a piece of code to test: [code]void test(void) { for(;;) { GPIOA->ODR = (...
Tips: Go to the official website of National Technology - Developer Community - Download, and you can download the latest version continuously.[attach]605263[/attach][attach]]605259[/attach][attach]60...
[i=s]This post was last edited by nich20xx on 2020-7-5 06:31[/i] # 1 Introduction The sub-GHZ RF module of STM32WL can operate in the 150~960MHz ISM frequency band, supports the transceiver functions ...
At present, most audio signal processors are not only large in size but also expensive, and are difficult to be popularized in some special aspects. Embedded system analyzers are small and reliable,...[Details]
Following the fire in Zotye's electric car in April last year, the BYD E6 collision and fire incident in the early morning of May 26 has again aroused our attention to the safety of electric vehicl...[Details]
"Open the door." "Close Sesame." "I want to go to the fifth floor." These childlike sentences are actually voice commands to control the elevator. In the current epidemic situation, elevators are ve...[Details]
Modern communication systems and test equipment often need to
digitize
analog
signals as quickly as possible to complete signal processing in the digital domain. However, designing transform...[Details]
Recently, Lianrui New Materials released a previous research report showing that the good gross profit margin performance in the third quarter was mainly due to the increase in sales of spherical pro...[Details]
In recent times, Huawei has become the focus of everyone's attention. With opportunities and challenges coexisting, Huawei has been "signing" contracts frequently in China, from universities to local...[Details]
4 uses C2051 microcontroller, and uses cheap and easy-to-get 74LS164 and 74LS138 as expansion chips. 74LS164 is an 8-bit serial input and parallel output shift register. Its function here is ...[Details]
This article uses the following environment: Main control: W801 (development board) Compatible with: W800 AIR101 Bluetooth debugger: as shown below Refer to the previous article: W801 Bluetooth dat...[Details]
The LTR3760 is
an
8-channel LED
driver
with a step-up DC/DC
controller
capable of
driving
up to 45V of LEDs. The input voltage ranges from 6V to 40V, the LED matching current at 40mA i...[Details]
Last year, OFILM, a major domestic electronics manufacturer, was kicked out of Apple's supply chain and subsequently had to sell its lens module business to Wingtech Technology. Now there is ne...[Details]
According to Jiwei.com, Phoenix Finance reported that the 2019 Boao Forum for Asia Annual Conference was held in Boao, Hainan, China from March 26 to 29. Yang Chaobin, president of Huawei's 5G prod...[Details]
In 2018, the power battery industry faced both opportunities and challenges. Some battery companies made a lot of money, while others failed to deliver a satisfactory answer. Some were happy while ot...[Details]
On January 21, the reporter learned from Northwestern Polytechnical University that the research group of Professor Wang Xuewen, a professor and doctoral supervisor at the Institute of Flexible Ele...[Details]
This article introduces a differential
operational amplifier
composed of three cascaded chips
. This operational amplifier can amplify narrow pulse small signals, and the rising edge of the pulse...[Details]
There are 3 different levels of embedded system design:
1. Level 1: Design method using PCB CAD software and ICE as the main tools.
This is the method that has been used by microcontroll...[Details]