This time, we use the combination of blynk app + server (local) + zero-knowledge ESP8266 development board to control the RGB LED to display various colors through the mobile phone APP.
1. Hardware pr...
[i=s]This post was last edited by landeng1986 on 2019-10-31 20:07[/i]With this development board, you don't have to worry about not being able to use the high-end radar in your hands. Infineon provide...
Recently, I have been learning about the MOS tube anti-reverse connection circuit, and I have been confused by several questions. I would like to ask you for help. 1. Why do we sometimes use two resis...
[i=s] This post was last edited by Aguilera on 2019-1-8 17:26 [/i] [size=5][font=sans-serif] At present, the on-chip RAM of DSP is getting bigger and bigger. To design an efficient DSP system, you sho...
1. Description MCU: Zero-knowledge open source development board - standard board Module: DHT11 module Development tools: Zero-knowledge open source development tools [font="][size=4]The DHT11 module ...
[size=4]The NRF24L01 module is a 2.4GHz communication module. The output power, channel selection and protocol settings can be set through the SPI interface. It can be connected to almost all microcon...
Conventional off-line switch-mode power converters generate non-sinusoidal input currents with high harmonic content. This can stress power lines, circuit breakers, and power utilities. In addition, ...[Details]
Is the prospect of Facebook's cryptocurrency Libra worrying? Foreign media reports pointed out that Visa, MasterCard, the two major credit card issuers, and other institutions may have to reconsider ...[Details]
Amazon has long been researching the use of self-driving vehicles and testing fleets of self-driving drones for package delivery. As a result, the Seattle-based online retail giant is trying to combi...[Details]
LEDs have been used in electronic systems for many years, primarily as indicator lights for electronic devices. Recent advances in brightness and color depth mean that LEDs can now be used in a wider...[Details]
The domestic hydrogen fuel cell vehicle industry is constantly developing. Recently, Great Wall announced that it will launch its first hydrogen fuel cell vehicle in 2022. Great Wall's "hydrogen-po...[Details]
In this section, we will learn how to analyze the AT24C02 memory chip under the I2C interface. After learning this section, we will learn how to use I2C to operate AT24C02 under Linux. 1. Introduct...[Details]
Issues such as land acquisition costs, layout difficulty, service capabilities, and versatility remain "stumbling blocks" that plague the large-scale layout of battery swap stations. NIO's desperat...[Details]
The power supply
shown in the attached figure
can be used not only for instrument circuits, but also for video or audio amplifiers with power less than 50W.
Working principle: Th...[Details]
With the rapid rise of smart phones and tablet devices in the consumer electronics field in recent years, all manufacturers have been trying their best to compete. If we divide the market by operating...[Details]
Today, the 2019 OPPO Developer Conference was held in Beijing. Duan Yaohui, Vice President of OPPO and President of the Internet Business Unit, revealed that the monthly active users of OPPO Quick Ap...[Details]
We know that the Cortex-M3 platform STM32 launched by ST has two Flash areas inside. One is System Flash, which is an area reserved by ST for storing IAP code. This area is not open to users and only ...[Details]
Tektronix oscilloscope TBS2074b product features: 1. See more with large images. If you can look at more signals, you'll notice anomalies faster. The TBS2000B digital storage oscilloscope has an impr...[Details]
Since the iPhone 12 was revealed to use two-way wireless charging technology for the first time, several domestic device manufacturers that have already applied this technology have once again attrac...[Details]
One year after the launch of the Arm Total Design ecosystem, the size of the project has doubled, driving global chip innovation
Arm, Samsung Foundry, ADTechnology and Rebe...[Details]
On November 8, South Korean
lithium battery
giant LG Energy Solution said it had reached an agreement with U.S.
electric vehicle
manufacturer Rivian to supply it with electric vehic...[Details]
DIY/Open Source Hardware
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