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...
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...
At 19:30 on the evening of the 11th, vivo will hold a major press conference to launch the "X Universe" series of mobile phones, including the conventional flagship X Note and the folding screen flag...[Details]
July 30, 2022, Jinan - Recently, Intel was invited to attend the 2022 China Computing Conference with the theme of "Computing for All Industries, Leading the Future" held in Jinan, Shandong , fully ...[Details]
High power density high-voltage bus converter module effectively supports heavy-duty tethered drones and long-lasting endurance On June 5, 2023, Beijing News, the SkyCells-T 15kg 200m heavy-duty te...[Details]
The function of the I/O interface is to connect the I/O circuit and peripheral devices through the system bus of the CPU. According to the complexity of the circuit and the device, the hardware of ...[Details]
This article is the author's second article on error detection range analysis and full scan test simulation of ASIC design (the first article "Follow DFT rules in design to improve error detection ...[Details]
Microcontroller programming: Find the maximum number and store it in the BIG unit. Assume that the internal RAM stores a group of unsigned numbers starting from the LIST unit, with the number of data...[Details]
IPv6 continues to gain popularity, largely due to a document released at the end of last year. Let's take a look at the relevant content with the mobile phone portable editor. "I think it is no...[Details]
6.1 include/conskfigs/micro2440.h
Add
#define CONFIG_CMD_NAND_YAFFS
【illustrate】
When I was reading cmd_nand.c, I found that u-boot-2011.03 already supports yaffs writing. I ...[Details]
A few days ago, 91mobiles and OnLeaks brought renderings of the Google Pixel 4a smartphone. Just now, the Slashleaks website revealed the renderings of this phone with a case, and you can see t...[Details]
Zinc oxide varistors are voltage-limiting protection components that absorb or release lightning-induced overvoltages and operating overvoltages in the line. At the same time, as components of line sy...[Details]
Embedded Internet refers to the process in which electronic devices directly connect to the Internet through embedded modules instead of PCs and interact with the Internet for information. At present...[Details]
Introduction
Active-matrix organic light-emitting diode (AMOLED) panels are known as the next-generation display technology, and companies including Samsung Electronics, LG, and Philips al...[Details]
Fault 1: The whole screen is not lit (black screen)
1. Check whether the power supply is on.
2. Check whether the communication line is connected and whether it is connected incorrectly. ...[Details]
The source program of the 51 single-chip PCA9685 driver board driving the servo single-chip is as follows: #include reg52.h #include intrins.h #include stdio.h #include math.h type...[Details]
Focusing on smart power and smart industry to build a sustainable future
Shenzhen, China, October 28, 2024 –
STMicroelectronics (ST), a world-leading semiconductor company servin...[Details]
MEMS sensors
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