I had some time these days to study OLED display. I found that different ASCII fonts are needed to display different font sizes. I found the fonts shared by netizen huo_hu on the forum (12x24 and 16x3...
Happy holidays to everyone! I wish you all good health and safety. :Sad: I have been so busy until now that I can just take a break. In my last post, I asked everyone how they spent the May Day holida...
[i=s]This post was last edited by Rambo on 2020-3-12 14:02[/i]The mainboard used is DFRobot's latest FireBeetleESP32 mainboard, which is much smaller than the traditional Arduino Uno mainboard. In add...
DMA interrupt: During data transmission, when the DMAxSZ register value decreases to 0, DMA sets DMAIFG. The DMA interrupt and DAC12 module share the interrupt vector. When using the interrupt, the so...
According to the tutorial, build the development environment and serial port routine test.1. Download the software1.1 Development board resources
Download address: RVB26011.2. USB to TTL driverUSB to ...
I want to use CD4051 to switch 10V voltage. My control is 5V, but CD4051 needs 7V for high level when VDD=10V, so I use CD4504B to convert the level. I don't know if there is a better chip than CD4051...
STC15w4k58s4 chip 4 serial ports simultaneous sending and receiving routine The microcontroller source program is as follows: #include "intrins.H" #include "uart.H" #define uchar unsigned char #de...[Details]
On July 1, the North Channel Converter Station of the Chongqing-Hubei DC Back-to-Back Interconnection Project (hereinafter referred to as the "Chongqing-Hubei Project"), the flexible DC converter s...[Details]
PSDY5106 digital insulation resistance tester has a trendy style and a newly designed and improved circuit, with more complete functions and higher accuracy. The output test voltage can be selected f...[Details]
According to Jiwei.com, "In the past two years, we have found that there are a lot of autonomous devices and a lot of digital systems that need to be processed by artificial intelligence. Artificial ...[Details]
From July 1 to 3, the 2019 Summer Davos Forum was held in Dalian. Technology and innovation are the distinctive features of the Summer Davos Forum. Connecting all aspects related to electricity and...[Details]
With the rapid development of ultrasonic measurement technology in China, the RZ-1158C clamp-on ultrasonic flowmeter produced by Runzhong Instrument Technology Co., Ltd. has the possibility of being ...[Details]
0 Introduction
As a convenient and promising renewable energy source, PV energy system has many advantages over other forms of renewable energy such as wind energy. For example, it can provide the b...[Details]
Active integrated
speakers
are speakers that combine stereo sound and power supply in one speaker. When the active speaker is connected to another passive speaker, stereo playback can be ...[Details]
element14 Expands Its Power Integrations Solutions Portfolio with 45 High Power Products Available for Fast Delivery
Shanghai, China, May 24, 2022 – Farnell element14, an Avnet-owned...[Details]
Semiconductors are needed for mobile phones and base stations, and these two business lines account for 90% of Huawei's business. If these products cannot be produced, these businesses will be forese...[Details]
During this year's National People's Congress and the Chinese People's Political Consultative Conference, "poverty alleviation" remained a hot topic, reflecting the government's expectations for pe...[Details]
Circuit Description The circuit shown in Figure 1 is powered entirely from the USB interface. The 5 V power from the USB interface is regulated to 2.5 V using the ADP3333 2.5 V low dropout linea...[Details]
Another entry-level embedded development platform! Mir STM32MP135 core board new product release
Since STMicroelectronics (ST) launched the first STM32 Cortex-M core MCU in 2007, ST ...[Details]
The last line after startup prompts can't access tty, job control turned off, which means that the console cannot be entered. The reason is that there is a problem in the /etc/inittab file
Sol...[Details]
DigiKey, a leading global commercial distributor of a wide range of off-the-shelf technology components and automation products with fast shipping, announced today that it is partnering with Ambiq to...[Details]
MicroPython Open Source section
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