The relationship between pulse+, pulse- and U2B output is logical AND.1. When pulse+ is high and pulse- is low, what are the voltages at points c and d respectively?
The Q8 diode is reverse cutoff (co...
I just checked my Moments and realized that today is the Winter Solstice. I wish everyone a happy Winter Solstice! No matter what you eat, it tastes like home!I heard that on the winter solstice, peop...
Flasher Hub is a new generation Flash batch programming controller from SEGGER, used with Flasher. Flasher Hub can control up to 24 Flashers to program the chip in parallel, which is suitable for batc...
We are making a small weather station. We are using the E90 DTU to transmit data. We receive the hexadecimal data of the sensor through the serial port on the computer. Now we want to transfer the dat...
Visual Home Environment Analyzer + ADI Smoke Sensor Appreciation
I also applied for an ADI smoke sensor and spent a few days researching and drawing a PCB, but I haven't installed the chip on it yet, ...
STM8S has built-in EEPROM, which is a good resource for products that require large memory. The following is what I have personally figured out and verified to be OK. You can use it with confidence i...[Details]
This article mainly introduces the semiconductor technology and CAD technology in the current RFIC research, and compares and discusses the respective characteristics of silicon devices and ga...[Details]
The sudden outbreak of the epidemic has also brought about certain changes to the biometric encryption methods of mobile phones, and Apple's Face ID appears to be very embarrassing during this epidem...[Details]
Traditional temperature and humidity closed-loop control usually uses switch control or PID control. The former is simple to implement but has poor accuracy, while the latter has high accuracy but req...[Details]
1. Introduction
The wave of new energy vehicles is getting bigger and bigger, and the body intelligence is becoming more and more perfect, and intelligent driving is closely related to sensors...[Details]
Current probes are available in three maximum current ratings: pulse current, continuous current. Exceeding any of these ratings will saturate the probe core, thereby magnetizing the core and causing...[Details]
When using an insulation resistance meter to measure the insulation resistance of the instrument, first disconnect the connected load and then discharge it. (1) Check whether the voltage and measurem...[Details]
Today, Xiaomi announced that more than 1,800 Xiaomi stores across the country have officially resumed business. At the same time, the stores will adopt high-standard in-store disinfection, temperatur...[Details]
When a bus encounters a traffic light, for example, a countdown is displayed when the light is red. This solution uses the Hezhou Air780EG-CAT1+GNSS two-in-one full-network module to connect to Bai...[Details]
Driven by the demand for new energy, the domestic IGBT market is expected to maintain a 20% growth rate. At the same time, the domestic IGBT players are facing opportunities for accelerated growth ...[Details]
The hardware schematic diagram of the central air conditioning temperature and humidity detection system is shown in the figure below. The temperature and humidity detection module is connected to...[Details]
Abstract: The field application of acoustic emission tank bottom inspection technology is introduced. The corresponding technical evaluation level is obtained by analyzing the inspection results of t...[Details]
Circuit Principle: The hysteresis oscillator composed of Q1, Q2 and U1 can be used to stabilize the lighting of the lamp. In operation, the full-wave bridge D3 can be used in both the AC line, or ...[Details]
The UART transceiver program provided in general textbooks is often a simple code that uses polling to complete the transceiver. However, for high-speed AVR, this method greatly reduces the efficienc...[Details]
Discrete Device
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