In the official documentation, guidance on adding external C modules to MicroPython has recently been added: [url=https://github.com/micropython/micropython/blob/master/docs/develop/cmodules.rst][hide...
[i=s]This post was last edited by Arvinˇ on 2018-10-12 10:32[/i] Let me first talk about my situation. I have been transferred to three companies for 8 years since graduation, and I have been a hardwa...
[i=s]This post was last edited by Ablikim on 2019-8-20 11:33[/i]R2 is a simulated load
R7, 8, 9, 10 are voltage divider resistors
The voltage across R1 is about 0.038V
After a while, the op amp heated...
[font=宋体][size=4][color=#333333]I saw such a circuit on the Internet. The title of the post is "[/color][b][size=4][color=#0000ff]A simple question about the working principle of strong pull-up[/color...
There are many PCB design softwares, and the mainstream ones are: Altium Designer, PADS and Allegro . If I want to learn, which one should I start with? Or do I need to learn all of them?Before learni...
[i=s]This post was last edited by freebsder on 2019-3-29 11:41[/i] [align=left][font=宋体][size=5][b]Hardware Architecture[/b][/size][/font][/align][align=left][font=宋体][size=5][b]Overview[/b][/size][/f...
LT1074 LT1076 Polarity Reversal and Boost Converters
LT1074/LT1076 changes the external connection form of the circuit to form a polarity reversal and boost converter. Figure a is a polari...[Details]
To realize the modernization of equipment management, enterprises should actively promote advanced equipment management methods and adopt equipment maintenance technology based on equipment status mon...[Details]
0 Introduction
This paper proposes a method to use SDHC card as an external storage device of CC2530 to realize data storage. SDHC card has the characteristics of small size and large storage ...[Details]
Acidity meter is a kind of teaching instrument, which is composed of two parts: electrode and electric meter. If the electrode can be properly maintained, the standard buffer solution can be prepare...[Details]
Background
The rapid pace of meeting human needs has led to widespread adoption of automation in manufacturing, packaging, medicine, agriculture, and food industries. Equipped with the rea...[Details]
On April 17, we learned from the Municipal Economic and Information Commission that in order to implement the "Guiding Opinions of the General Office of the State Council on Accelerating the Constr...[Details]
A previous article introduced the principle of LED luminescence. We only need to set the STC89C52 pin level corresponding to the light-emitting diode to a low level. OK, let's light up D1 D3 D5.
...[Details]
Smart grid development direction: active distribution network investment space is large
The development trend of the distribution network is: emphasizing stable control and power quality under th...[Details]
Introduction Today, high-performance power systems have come a long way, and designers are using multiple input voltages to drive multiple voltage rails for a wide variety of applications. The n...[Details]
What will be used?
A robot is a kind of robot that can act autonomously and perceive the environment. To achieve this goal, robots usually need to use sensors of various types and functions. ...[Details]
The oscilloscope is the most common instrument for electronic engineers. Many people also compare the oscilloscope to the "eyes" of engineers, which is enough to show how important the oscilloscope i...[Details]
EEPROM Overview Electrically Erasable Read-Only Memory (EEPROM) can store information for a long time without volatile memory and can be rewritten by electricity at any time. There are many types of ...[Details]
Recently, there was good news from Ancai Hi-Tech: the technical R&D team of the mold factory worked hard to break through the technical monopoly of the photovoltaic industry after several months of re...[Details]
; Car alarm sound ; The frequency is divided into two 0.1s. The first one ; The frequency increases uniformly from 1.8K-3.5K in 0.1S. The frequency decreases uniformly from 3.5K-1.8K in 0.1S. ; Af...[Details]
Like humans, batteries prefer to operate at room temperature, and thermal management systems ensure this while maximizing efficiency.
When GM first unveiled the 2025 Cadillac Escalade IQ...[Details]