The RISC-V single-board computer used in this trial provides us with 40 pin interfaces, including the SPI interface. WhatI want to share today is how to use SPI to drive the ws2812B colorful lamp bead...
1. Battery voltage detection .
2. Voltage displayed on LCD1602
3. When the voltage is lower than 2.6V, the indicator light flashes.
4. When the voltage is higher than 3.3V, the indicator light flashes...
"Electromechanical System Testing and Control from Entry to Mastery" is aimed at the professional knowledge background of undergraduate graduates majoring in electromechanical engineering. First, in t...
The picture shows an LCD power supply circuit. Boosting 5V to 9.6V is a normal boost circuit. I would like to ask about the generation principle of +18V and -7.5V....
An example of troubleshooting a trigger failure on a Tektronix TDS7254 oscilloscope1. Instrument model:Tektronix oscilloscope TDS72542. Fault phenomenon:The customer reported that after the oscillosco...
I want to sample at the start and end of the effective vector of svpwm. The method I have thought of now is to use the ADC's s/w software trigger, but I don't know how to use the software trigger. How...
It is common to use body fluids to detect physical conditions. Most hospital tests rely on various body fluids. Among them, blood analysis is considered the gold standard in the field of biometric an...[Details]
One experiment that beginners must go through is the coding of the 4*4 matrix keyboard. Most of them are in schools, where there are ready-made experimental boxes, and basically no need to use yo...[Details]
(Photo: Foxconn's Xiao Caiyou speaks at the HHTD 2020 conference) Beijing time, October 20, according to foreign media reports, Foxconn plans to launch commercial solid-state batteries by 2024, wh...[Details]
Tonight (13th), Apple’s official website officially launched the 16-inch MacBook Pro, with prices starting at RMB 18,999. In terms of the screen, Apple has increased the screen size by narrowing th...[Details]
The biggest feature of the LONWORKS system is that a single device can run a program independently. Various combinations can be made by building blocks. If you need any function, you can add any mo...[Details]
At present, there are many AM-modulated radio control products on the market, such as car alarms, toys, etc. Most of their remote control transmitter circuits use LC oscillation circuits, which a...[Details]
On April 1, Aichuang Micro completed a 30 million A+ round of financing, which was completed by Feixi Industrial Investment Holding Co., Ltd. The investment funds will be mainly used for the construc...[Details]
Earlier, there was news that the Xiaomi MIX 4 phone will use the MIUI 13 system. At present, the new MIUI 13 system is indeed under testing, and most mobile phones in the past two years can be upgrad...[Details]
Who would have thought that @Meizu Technology would give itself a mouthful of “poison milk”… On the day of Qingming Festival (the 4th), @Meizu Technology released a "hell" copy. When promoting th...[Details]
As climate change and environmental sustainability become more and more important, horticultural automation has ushered in unprecedented opportunities. Recently, Scythe Robotics has expanded its pr...[Details]
The ATmega168 chip has the following clock sources that are selected by Flash fuses: The clock is input to the AVR clock generator and then distributed to the corresponding modules. The different c...[Details]
Circuit Function and Advantages
This circuit shows how to use the ADuCM360/ADuCM361 precision analog microcontroller in a precision thermocouple temperature monitoring application. The ADuCM360/ADu...[Details]
In order to adapt to different base electricity revenue distribution needs, three base deviation electricity settlement processing methods are proposed, namely, expected revenue compensation method...[Details]
According to morning news on February 3, Beijing time, Apple today released the company’s first quarter results for fiscal year 2023. The report shows that Apple’s first fiscal quarter net revenue wa...[Details]