I use CC2541 to communicate with Bluetooth module DS-BT19-S Bluetooth module.
Now it is connected, but the CC2541 sends data and the Bluetooth module cannot receive it.
Use the mobile phone LIGHTBLUE ...
Dear experts, I would like to ask, for digital quantity input into the single-chip microcomputer, are there any chips available, such as liquid level switches, 24V, there are 5, I want to connect to t...
[i=s]This post was last edited by decade_0809 on 2019-1-2 22:49[/i] [b][color=#5e7384]After receiving the development board, I unpacked it and found that it only came with a data cable, a development ...
[color=#008000][backcolor=transparent][font=Tahoma,]The contract is supreme. RT-Thread Nano, this minimalist monster, becomes very powerful when used with the NB tool MDK. Basically, you can complete ...
I. Basic PrinciplesAs shown in the figure above, the general steps are: 1) GPIO charges capacitor C to Vcc through resistor R; 2) The GPIO outputs 0, capacitor C discharges through R, and the Timer st...
Section 001_Linux Advanced Commands_find Command When we search for files in Windows, we generally need to pass in two conditions to find files: 1) Search in those directories; 2) What to search ...[Details]
The VF voltage of LED light sources for lighting is very low, generally VF=2.75-3.8V, IF is 15-1400mA; therefore, the output voltage of LED driver IC is VFXN or VFX1, IF constant current is 15-1400...[Details]
This is a sine wave inverter power module with complete protection functions . It adopts a two-stage power conversion architecture of DC/AC/power frequency transformer . The full-bridge DC/AC circu...[Details]
Promote
the orderly development of the
robot
industry and grasp the latest development trends of the global market in the future. On April 18, the "OFweek 2024 (13th) China Robot Industr...[Details]
1. Use of megohmmeter (insulation resistance meter) (1) Calibration. Before measuring, the megohmmeter should be subjected to an open circuit and short circuit test to check whether it is in good con...[Details]
1. Overview
With the rapid development of network communication technology, image compression processing technology and transmission technology, families can adopt the latest communication and imag...[Details]
Abstract: Many modern audio amplifiers are not designed with high-frequency RF considerations in mind, yet these amplifiers are increasingly exposed to strong RF interference. This application note p...[Details]
Lighting and
display
are
two extremely important development areas in the
current
optoelectronics
industry. As global fossil energy is becoming increasingly depleted and environmental...[Details]
On June 11, my country's independently developed Shenzhou-10 manned spacecraft was successfully launched into space. It will stay in space for 15 days to provide further support for our space science...[Details]
It looks like you've been in a car accident. If you don't respond, your iPhone will trigger an SOS emergency call." Recently, Apple launched a "car accident detection function" on its latest new ph...[Details]
During the development process, you often encounter situations where memory values are abnormally tampered with. Moreover, the tamperer is often not the part you are currently debugging (that is, t...[Details]
In the past two years, under the leadership of Wang Qishang, AMD RDNA GPU architecture has brought many surprises. The latest RDNA2 has extremely high energy efficiency, and its frequency, performanc...[Details]
After more than a hundred years of development, the automotive industry has formed a complete and strict industrial chain. This closed loop also has a very high threshold. Foreign automakers and supp...[Details]
Arizona’s energy policy reform proposal would establish that the state will generate 80% of its electricity using clean energy by 2050 and achieve a 3GW energy storage target by 2030.
...[Details]
A multimeter is a commonly used measurement tool that can be used to measure parameters such as voltage, current, and resistance. However, for the measurement of temperature sensors, a multimeter m...[Details]
Wireless Connectivity
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