Changes since 7.0.0Initial port for Raspberry Pi Broadcom-based boards.
Preliminary support for asyncio cooperative multitasking.
bitmaptools: dithering and alphablend are new./li
keypad.Events now in...
I wrote and modified a program to use msp430g2553 to control nrf24l01. The following is the program of the receiving end. It has been tested and can be used. You can refer to it if you need it. #inclu...
I have found the formulas for ADC's sample-hold time and conversion time. Sample-hold time = 4×N×ADC12CLK. Conversion time = 13×(ADC12CLK/Fadc12clk). My question now is how to determine the values of ...
When I used STM8S207, I found that PD6 could enter interrupt normally, but PD7 could not. The settings were as follows:GPIO_Init(GPIOD, GPIO_PIN_7, GPIO_MODE_IN_PU_IT);I thought that the option byte n...
The manual of the EV1000 inverter I use was filed on 2008-08-05. Among its communication protocols - networking modes - single host and single slave, there is a method for the host PC to connect to th...
I am going to participate in the Altera Asia Innovation Contest soon. Can you recommend a topic for me? It's about SOPC FPGA. The board is Alterra DE1/2. I'm begging for help! Thanks, everyone. This i...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[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]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[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]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[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]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]