[i=s]This post was last edited by hanyeguxingwo on 2016-11-22 11:33[/i] [size=3][color=#333333] Previously, Arduino+ESP8266 was successfully connected to OneNET using the EDP protocol to achieve IoT c...
At present, the liquid level meters on the market are mainly divided into radar, microwave, magnetostrictive, and magnetic float according to different principles. Among them, the traditional magnetic...
I am preparing to draw an FPGA board recently, which has AD, serial port, and FRAM. I don't know whether the analog ground and digital ground should be treated separately in such a system. How to do i...
[size=5]Which TI development board are you playing with recently? [/size][size=5]Is there a development board that you have been paying attention to recently, and want to buy but haven't made a move y...
I'm working on ZigBee wireless communications recently. When I use the protocol stack osal_start_timerEx() function to set multiple events, why do some events not occur or execute?...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[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]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[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]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[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]
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]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]
Pay attention to whether the new lock matches the old door Smart locks have many advantages over traditional mechanical locks. Although the domestic penetration rate is not high, with the strength...[Details]
On June 26, 2017, China's new generation of high-speed rail "Fuxing" realized its first two-way service between Shanghai and Beijing, with a maximum speed of 400 kilometers per hour and a standard ...[Details]
The basic command syntax of EMC is actually only 57/58. How to change it depends on your practice. However, it is always easy for novices to fall into some misunderstandings, and some of the techni...[Details]