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...
Permanent magnet motors use permanent magnets to generate the magnetic field of the motor. They do not require excitation coils or excitation currents. They are highly efficient and simple in struc...[Details]
Delta PLC and Jingyan inverter communicate via serial port 485, master-slave control detailed explanation #plc #electrician #automation #manufacturing #electrical
...[Details]
One of the biggest challenges for lighting system designers today is how to take full advantage of all the benefits of the
latest generation
of
LEDs
. Because they generally require an accurate...[Details]
New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advance...[Details]
The fully digital electronic soft starter can not only effectively control the starting current of the squirrel cage three-phase asynchronous motor and reduce the impact of the current on the motor...[Details]
On September 26, according to Taiwan's "United Daily News", as TSMC's supply chain expands CoWoS advanced packaging production capacity, the increase in the price of these interlayer films will event...[Details]
This morning, OPPO officially announced that the Find X3 series will be equipped with a 1 billion color screen and natively support 10-bit display. OPPO said that the 1 billion color screen equipp...[Details]
In recent years, with the popularization of intelligent cockpits, users have higher and higher requirements for the experience of car systems. Users hope to enjoy the same convenience and smooth ex...[Details]
If you want to connect your car to the Internet and enjoy big-screen entertainment at any time, you may need to own a smart connected car. According to statistics from Strategy Analytics, a total of ...[Details]
Samsung has always supplied Apple with top-notch OLED screens, even surpassing its own Samsung S series flagship models. There has been recent news that this year’s iPhone 15 series may use Samsung’s...[Details]
According to Portuguese media reports, since mid-2018, the Trump administration has been pressuring its allies and partners to ban Huawei's technology and infrastructure. In terms of 5G construction,...[Details]
Torque principle:
In torque sensors, an element called a strain gauge is usually used to deform elastically.
The strain gauge is a strain-sensitive element whose resistance value changes ...[Details]
As lithium batteries become more and more widely commercialized, the charging and discharging process of lithium batteries on the surface of the positive electrode material is that when the battery i...[Details]
After compiling the project, the generated hex file is larger than the size of the flash?
A HEX file larger than 4K does not mean that the target code is larger than 4K, so it cannot be measured by t...[Details]
One of the latest trends in the Android phone world is adding "memory expansion" features to devices via software updates, and now Samsung has joined the game. After the latest update of Sams...[Details]