1. The model used is LRM470-RL22. 2. After entering Sleep mode, the power consumption is still 200uA. I don't know what the problem is. 3. It may be that the pins of the microcontroller need to be con...
Currently I want to connect to the gateway through the lora module. If my module configuration is like this, AT+BAND=6;AT+FREQ=1,8,470300000;AT+FREQ=3,8,500300000;AT+OTAA=1;AT+RX2=0,500300000;AT+CLASS...
The previous article: Playing with RP2040: Unboxing, Evaluation and Power-on Operation introduced the hardware and power-on usage of RP2040. This article will build the software development environmen...
I was looking for a POE solution recently, and there was a forum activity, so I chose the MPS POE transmitter and receiver DEMO boards. I opened the box immediately after receiving the goods.
Even the...
I would like to ask if the filter capacitor between VCC and GND shows that both pins are GND in the PCB. Is this wrong? The filter capacitor C11 in the minimum system is shown in the PCB as one pin VC...
1. Purpose Since the number of times the STM32 FLASH can be erased and written is limited, in order to protect our FLASH and extend the use time of the MCU, we can debug on the SRAM. SRAM is a ...[Details]
CMSIS Driver has similar API functions and similar calling methods. It is a further encapsulation based on the ST HAL library. It is much more convenient and simpler to use and configure than the ST ...[Details]
Serial Port: 一. USART_ITConfig(USART1, USART_IT_TXE, ENABLE): As long as the transmit register is empty, there will always be an interrupt. Therefore, if you are not sending data, turn off the tran...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
1. FSMC Brief FSMC, the Flexible Static Storage Controller, is capable of interfacing with synchronous or asynchronous memories and 16-bit PC memory cards. The FSMC interface of STM32 s...[Details]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
What are your expectations and ideas
for
the future of
Xiaomi Mi Band
?
Xiaomi Mi Band’s
official Weibo shared many netizens’ thoughts on
the future direction and functions
of Xiao...[Details]
China Energy Storage Network News:
"As the world's first third-generation blockchain, Anda Chain, which has China's independent intellectual property rights, will be launched globally in the ...[Details]
Notes on inverter installation and maintenance:
1. Before installation, you should first check whether the inverter is damaged during transportation.
2. When selecting an installa...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
Google may have foreseen the spread of artificial intelligence (
AI
) technology across apps, devices, and services, such as recognizing friends' faces in photos and giving smart speakers h...[Details]
A crystal oscillator can be electrically equivalent to a two-terminal network consisting of a capacitor and a resistor in parallel and a capacitor in series. In electrical engineering, this network h...[Details]
Wireless Connectivity
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