The Lpc1768 declaration is placed in the .h file. When compiling the main function, why does it always report that the first line #ifndef _LED_H_ in the .h file is an unrecognized preprocessing comman
I have a sim300 module and it has no response after connecting to the mirco2440 serial port. Can the sim300 and mirco 2440 serial ports be connected directly? ? Experts who have done this before pleas
[size=5] Many laymen are curious about the differences between classic Bluetooth and low-power Bluetooth. Let me share with you. First, let's take a look at: [/size] [size=5] 1. What is a Bluetooth mo
Thanks to EEWorld and National Technology for providing the opportunity to review the development board!
1. Hardware Appreciation
The development board I received looks like thisThe board comes with a
This paper focuses on the performance and structural characteristics of a new waveguide port small 3cm image rejection mixer. This mixer has a bandwidth of 1GHz, noise