[size=5][color=Blue]The previous post shared some common problems in LoRa development, [/color][/size][size=4]【LoRa】LoRa development common problems [url=https://en.eeworld.com/bbs/forum.php?mod=viewt...
AD8629 and FZT1047A are used to form a V/I conversion circuit. The input is a square wave voltage UH=3V, UL=0.45V, f=20kHz. The output is a square wave current IH=200mA, IL=30mA, f=20kHz. The PSpice s...
[i=s]This post was last edited by lising on 2019-7-3 21:51[/i]This experiment uses the ADC module inside CH549 to collect the value of the temperature detection channel inside the chip, and then sends...
According to foreign media appleinsider, Apple is studying how to make the battery of the Apple Watch move to provide tactile feedback to the wearer. Apple recently published a patent for a "port...[Details]
The basic principle of the circuit is to collect infrared signals through the infrared receiving head. When an infrared signal comes in, the single-chip microcomputer AT89C2051 ($0.5999) execute...[Details]
I tell you, there is no need to compromise. Debugging and validating complex systems presents many test technology challenges, including capturing and visualizing multiple infrequent or intermitten...[Details]
The single-chip automatic alarm device composed of MODEM (modem) chip can transmit alarm information over long distances with the help of the telephone exchange network within factories and enterpr...[Details]
1. Microcontroller Overview 1.1 Computer components The computer host basically relies on the CPU, memory stick, and your bus controller (motherboard). The motherboard connects to these external ha...[Details]
AVR uses fuses to control some functions inside the chip, such as JTAG, clock usage, power-off detection voltage, whether debugging is allowed, etc.
The STK500 in AVR Studio has a huge advantage in h...[Details]
Recently, a number of global mainstream automotive power battery companies have released financial report data for the first quarter of 2020. Although the performance of major companies has generally...[Details]
40-pin dual in-line package (DIP). The 40 pins are divided into 3 categories according to their functions:
(1) Power supply and clock pins: Vcc, Vss; XTAL1, XTAL2.
(2) Control pins: PSEN*,...[Details]
Recently, an investor asked Han's Laser on the investor interaction platform: Which companies have purchased discrete devices as customers? On May 27, Han's Laser stated on its investor interaction p...[Details]
TVS tubes, as we all know, are circuit protection components that can be used to protect power ports, vehicle power ports, RJ45 network ports, serial communication ports, and signal ports. Do you k...[Details]
The pre-ignition of a xenon lamp requires two signals. One is a high-voltage trigger pulse applied to both ends of the lamp, with an amplitude of 10~20KV, which pre-ionizes the gas in the lamp. The o...[Details]
Transistor cooperates with PMOS tube to control circuit switch When the STC MCU is burning, it needs to be powered off and reset before entering the burning state, which is usually cumbersome to pres...[Details]
The 12th Distribution Technology Application Forum , hosted by the National Technical Committee for Standardization of Power System Management and Information Exchange, co-organized by the State Grid...[Details]
Recently, according to the basic situation table of the guidance work for companies planning initial public offerings in its jurisdiction disclosed by the Hubei Regulatory Bureau, Hubei Zhanpeng New...[Details]
On November 6, Panasonic 4D Mobility Technology Service (Beijing) Co., Ltd. was established. The company's registered capital is RMB 30 million, and its business scope includes sales of computers, so...[Details]