A crystal radio is a passive radio without an amplification circuit, which is composed of an antenna, a ground wire , a basic tuning circuit and a crystal as a detector . It is the simplest radio rece...
[i=s] This post was last edited by hehung on 2022-8-23 21:07 [/i] # Past sharing [【2022 Digi-Key Innovation Design Competition】Latest unboxing post](https://en.eeworld.com/bbs/thread-1212955-1-1.html ...
Applications that require control of motors usually include some type of current sensing circuitry. The ability to sense the current through the motor can help designers make adjustments such as speed...
I used the T0 timer to write the water lamp back and forth, but only one lamp is on and the water does not flow. I don’t know what the problem is. Can you help me analyze it and see where I went wrong...
In the early morning of May 23rd, Beijing time, the U.S. Department of Commerce issued two statements again, announcing that a total of 33 Chinese companies and institutions would be included in t...[Details]
Samsung Electronics recently announced that it has started preliminary production of chips based on the 3nm Gate-All-AroundT (GAA) process node. On the other hand, TSMC's official mass production of ...[Details]
Introduction Based on the objective fact of abnormal electromagnetic waves before earthquakes, in earthquake prediction, the short-term reflection ability of electromagnetic radiation anomalies can...[Details]
Scholars at Massachusetts General Hospital have developed a new pill-shaped camera that can help diagnose diseases such as Barrett's esophagus by generating a 3D model of the esophagus. While current...[Details]
In the previous section, the query method was used in serial communication. This method is basically feasible in applications with a small amount of data transmission. However, if the amount of commu...[Details]
Use ST's HAL library for development, and the SDRAM used is W9825G6KH-6. W9825G6KH-6 has 4 banks, 13-bit row address, 9-bit column address, and 16-bit bit width. So the capacity of the chip is: 4x81...[Details]
Diodes Incorporated launches ultra-low quiescent wide input voltage LDO to meet the needs of 12V and 24V automotive systems Diodes Corporation (Diodes) launches the AP7387Q low dropout (LDO) linea...[Details]
Bipolar peak output circuit with positive and negative asymmetric waveform
Function of the circuit
This is a circuit whose input is a zero-cross sinusoidal signal and whose output is positive ...[Details]
Watchdog Timer The watchdog timer is driven by an independent 1 MHz on-chip oscillator. This is a typical value at VCC = 5V. See the characteristic data for typical values at other VCC levels. The ...[Details]
At work, the platform's serial port is often connected to the PC, and the program is debugged through the serial port printing information. LPC1788 has 5 serial ports Uart0~Uart4. With the resour...[Details]
Recently, market research firm Canalys released a monitoring report on smartphones in the European market in the second quarter, which showed that Xiaomi's market share in Europe has surpassed Huawei...[Details]
According to people familiar with the matter, Apple is in advanced negotiations to acquire Intel's smartphone modem chip business, and if the negotiations do not break down, a deal including patents ...[Details]
Intel has introduced enhanced series products based on the three basic products of the MCS-51 series, namely the 52 sub-series, with typical products being: 8032/8052/8752. Their internal RAM ha...[Details]
In 2019, Amazon, Apple, Google and Zigbee Alliance members jointly formed the Home Connected Internet Protocol Project (CHIP). The working group developed a new standard that enables IP-based commun...[Details]
New energy storage is an important technology and basic equipment supporting the new power system, and plays an important role in promoting high-quality energy development, promoting energy structure ...[Details]
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