[i=s]This post was last edited by dcexpert on 2016-7-28 22:13[/i] [size=2]In order to cooperate with the activities next week, the ESP8266 version of MicroPython has many differences from the PYB vers...
The National Day holiday is coming soon. Who do you want to spend it with the most? Tell us your reasons!
What I want most is to be with my parents. We have grown up, but they have grown old. It makes...
[font=宋体]The brightness of the Chinese characters displayed by this schematic is different horizontally and vertically, and the display will be chaotic when the current is large. How can I solve this ...
[size=4]CC2430 module is the first real ZigBee SOC chip CC2430 is a well-designed wireless transceiver module; the operating carrier frequency is 2.4GHZ, and the spread spectrum technology is adopted....
DAC function details 1. DAC buffer operation The buffer size is 1~16 and can be set in word units. When converting, the read pointer points to the data being converted. The buffer unit currently being...
The GAPP layer always plays one of the following four roles:
1. Broadcaster - cannot connect to advertising devices
2. Observer - scans broadcasts but cannot initiate connections
3. Peripheral - a con...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
MicroPython Open Source section
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