Microstrip patch antenna is used in mobile phones due to its simple appearance, low cost, small size, light weight, etc. This antenna does not require any additional size and can be etched on the same...
I ordered TI's star product - LAUNCHXL-CC2640R2 development board. Finally received the goods. Let's take a look at it after unpacking.Unpacking a box and an order information:Continue to open, there ...
This work mainly adopts TB67S109A motor driver. TB67S109A is a two-phase bipolar stepper motor driver equipped with PWM chopper and built-in clock decoder. The features are as follows:1. A bipolar ste...
As the title says, I want to buy a set of black gold ZYNQ 7020/7010 development boards, with normal functions and no damaged components. If you are interested, please contact me as soon as possible, t...
The microcontroller is 5V, but many indicator lights are 24V. Most indicator lights have a current of 10~100MA, and there are usually more than 10 of them. I often use optocouplers + transistors to sw...
This section is divided into two parts:
1. ARM boot process
2. Write code
1. 2440: Once powered on, it takes out 4KB of code from Nand and puts it into the stepping stone in SRAM to run and i...[Details]
This time, I spent a long time learning STM32, more than a week, and I gained a lot. The learning process also had many twists and turns. This time the task is: use a timer of STM32 to generate four P...[Details]
The SPI (Serial Peripheral Interface) bus is a synchronous serial peripheral interface proposed by Motorola, which allows the MCU to communicate and exchange data in a serial manner with various peri...[Details]
Most digital oscilloscopes have record lengths that are powers of 2 (e.g., 1024 points), and the sampling rate is limited to the order of 1-2-5. This can cause errors in the measurement of the power...[Details]
The motor inverter is a device that uses the on-off function of power semiconductor devices to convert the industrial frequency power supply into another frequency of electric energy control. Many ...[Details]
Sony has announced that the Apple TV app will be available on select 2018 and newer smart TV models, starting with the X900H series, as a free software update. Sony says the Apple TV app will be av...[Details]
Increasingly stringent design regulations for machines and equipment in industrial and medical applications have made it necessary to implement galvanic
isolation
in almost any type of electroni...[Details]
The status register contains information about the results of the most recently executed arithmetic instruction. This information can be used to change the program flow to implement conditional opera...[Details]
Try to avoid overcurrent charging Over-current charging can easily cause the positive and negative plates inside the battery to bend, causing the active materials on the surface of the plate...[Details]
The reporter learned from the Municipal Urban Group that the Huzhou Synear Food Peak-Shaving and Valley-Filling Energy Storage Project invested and constructed by Huzhou Qingtai New Energy Technology ...[Details]
For Apple fans in China, the most annoying thing about the iPhone 5 is not that the first countries to be sold do not include mainland China. After all, it is not difficult to buy a mobile phone in H...[Details]
Introduction Both of them are pseudo instructions: ADR is a pseudo instruction for reading addresses in a small range, and LDR is a pseudo instruction for reading addresses in a large range. The prac...[Details]
Today's high-speed digital interfaces use data rates that exceed the operating frequencies of many mobile communication devices, such as smartphones and tablets. Careful design of the interface is ...[Details]