The timer of esp32/8266 is different from pyb.timer. How can I modify it to work on esp32/8266?
import pyb
import micropython
micropython.alloc_emergency_exception_buf(100)# Futaba PPM decoder
# http:...
When selecting different current sampling resistors, the main concern is of course temperature drift. Usually the deviation of the resistor can be calibrated out as the gain error of the operational a...
LTspice can be pulled in directly
For details on how to generate the library, please refer to the followingLTSPICE Devices and Libraries1.TL494
2.uc3825
3.sg3525
4.uc3527a
5.hcpl3180
6.k554ud2
7.moc30...
MPS EVM38111-R-00A : Dual-channel 6V, 1A, synchronous buck power module evaluation board with integrated inductor (value: 179.75 yuan) is an evaluation board used to demonstrate the performance of the...
[i=s]This post was last edited by Wuzu Simeng on 2022-11-22 23:05[/i]After unpacking it for a week, I found that this weight loss tool is really good. I successfully lost 0.5 kg, but I gained it back ...
This post uses common commands to perform some tests.
Get CPU temperature information
The V853 chip has a Temperature Monitor module inside.
cat /sys/class/thermal/thermal_zone0/temp
result
The displa...
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]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]