When developing a project, the number of IO pins of the microcontroller is not enough. How to deal with it?Microcontrollers, as key components of general electronic product projects, are often used by...
Come and experience the fun of flowing lanterns directly!
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How hard can a person live ?A video that has been very popular on Bilibili recently may give a perfect explanation to this problem:Pure! Hand! Crafted! Homemade CPU!This Up maste...
[i=s]This post was last edited by MianQi on 2021-9-16 17:49[/i]According to the instructions here (https://docs.espressif.com/projects/esp-adf/en/latest/get-started/), "esp-adf" is an extension of "es...
Implementation methods of positive and reverse pulses1. What are the differences between open-drain output, push-pull output, and full-bridge output?2. Are drain output and open-drain OD output the sa...
At the highest level, the CC2640 Bluetooth software environment consists of three parts: a real-time operating system (RTOS), an application map, and a stack map. TI-RTOS is a real-time, preemptive, m...
IT Home December 19 news Foreign media MacRumors reported that it was previously reported that Apple will release an iPhone SE Plus in 2021, which may be an upgraded version of the iPhone 8 Pl...[Details]
A few days ago, Apple brought almost the WWDC with the most information, announcing multiple products including iOS 13, iPad OS, watchOS, Mac Pro, XDR display, etc. Almost each of them has aroused wi...[Details]
Earlier we briefly studied the IO structure of C51. Now let's take a look at how to use key input on the quasi-bidirectional IO port. This is the basic structure of quasi-bidirectional IO. The micr...[Details]
At present, projectors are common equipment in multimedia classrooms of colleges and universities. However, due to frequent use and mixed personnel, the projector remote control is often damaged or...[Details]
1. Charging
resistor
Common for small and medium power
Frequency converter
Generally, it is a voltage type frequency converter, which adopts AC-DC-AC working mode. When the ...[Details]
In the above, we introduced how to use the I/O port to turn on the LED. In fact, you can also use the I/O port to detect buttons. Here, the P1.0 port is used to connect the button to GND. The P1.1 po...[Details]
1. Realize unlimited non-connection broadcast ①Change BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE to BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE. After the broadcast timeout, it can still continue to...[Details]
Various media characteristics often encounter some special situations in the flow meter selection, such as dirty media, corrosive liquids, high temperature and high pressure steam, etc. These problem...[Details]
According to the Ministry of Industry and Information Technology website, Xiaomi currently has three products connected to the network: 2206123SC (L3S), 2206122SC (L2S), and 2207122MC (L2M), and th...[Details]
Contrary to popular belief, autonomous driving has not yet achieved the results promised a few years ago. Unfortunately, a number of issues at the sensory, optical, qualitative, and timing levels n...[Details]
Today I played around with the ultrasonic ranging module I bought before. I connected the 51 single-chip microcomputer to the 12864 LCD and the HC-SR04 ultrasonic module, and that's it. I have...[Details]
I have been reading the interrupt handling part of 2440, but there are too many things I don't understand. I found this article on Baidu, and it really feels like listening to your words is better tha...[Details]
According to a report by Nihon Keizai Shimbun on April 22, China is accelerating the construction of supply chains for semiconductor manufacturing equipment and materials. Against the background of t...[Details]
Overview: Measuring the ohmic resistance of lead-acid batteries to detect the technical status of batteries is becoming more and more popular. EnerSys has been committed to producing its own commercia...[Details]
Organic light-emitting diode (OLED)-based microdisplays have achieved high optical performance, with excellent contrast and large dynamic range, and low power consumption. They use a direct light...[Details]