I recently built a lorawan gateway using a Raspberry Pi 3B+. When running the test, I found that the gateway could not receive data from the lorawan terminal after running for a while. I searched for ...
Popular indoor positioning technologies include WIFI, Bluetooth, RFID, and UWB. All of these technologies require the deployment of positioning base stations. WIFI requires the deployment of APs, Blue...
The firmware for the NUCLEO_L073RZ and NUCLEO_L452RE development boards has been added to the firmware repository on github (and also updated on Mayun), and you can use the onboard STLink to download ...
Now a certain PCB prototype is 5 yuan for 5 pieces with free shipping, all colors are the same price, so cool. I have never had a suitable tool to measure weak currents in low power consumption state,...
I want to connect several lithium batteries in parallel, but only to expand the capacity without increasing the voltage. Is there any integrated charging and discharging chip? The peripherals should b...
1 Introduction In recent years, with the development of electronic technology, digital technology and acoustic wedge materials, the technology of measuring fluid flow using ultrasonic pulses has deve...[Details]
Translated from EEtimes It is said that 2020 will be the era of 5G explosion, but now it seems that it is no longer the case. Mobile industry analysts are scrambling to revise their predictions for...[Details]
As manufacturing moves towards intelligent manufacturing, one of the pain points is that wireless technology is difficult to promote in the industrial Internet. "In the current industrial production...[Details]
Sina Digital News, June 22, morning news, according to the South China Morning Post, Apple’s largest manufacturing partner Foxconn will offer a "record" signing bonus to recruit workers for the...[Details]
The solar back film is made of three layers of polymer film. The middle layer is a PET film with a thickness of 150-350μm, and the outer two layers are 25μm fluorine-containing films. PET film is not...[Details]
Ganesh Moorthy, CEO of Microchip Technology, said in an interview with US media recently that some of the company's major suppliers are located in Shanghai. This round of epidemic has exacerbated the...[Details]
The STM8S EEPROM is organized based on a 32-bit word length (4 bytes per word). Depending on the device, the memory organization is different: Small capacity STM8S device 8K FLASH program memory, ...[Details]
2019 was a year full of challenges and uncertainties. The Chinese market, the global market, the entire electronics industry, and especially the semiconductor industry, all encountered certain obstac...[Details]
Relevant departments will clarify the preferential policy of 50% VAT refund for photovoltaic power station projects in the near future. Analysts said that this will be another positive news for the...[Details]
ROM read-only memory is used to store DS18B20 ID code. The first 8 bits are single-line serial code (DS18B20 code is 19H), the following 48 bits are the unique serial number of the chip,...[Details]
Circuit principle: The circuit is provided with +5V power supply voltage by transformer, diode and voltage regulator IC7805. The battery voltage is divided by resistors R5 and R6 and sent to the B...[Details]
Solid-state power amplifier SSPA (Solid State Power Amplifier) has the advantages of small size, light weight, low working voltage and high stability. It is widely used in various fields and occ...[Details]
According to the latest report from foreign media, Apple has not given up on the research and development of Touch ID, and next year's iPhone 14 may see new demonstrations of this technology. ...[Details]
According to CNBC, IBM is conducting a small-scale layoff. People close to the layoffs said that the number of layoffs is 0.5% of the total number of employees. IBM currently has 340,000 employees wo...[Details]
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