Built-in UV meter and alarm -- A new bikini launched by a Canadian company has brought it into the electronic age. The product has a built-in chip that can remind female swimmers of the appropriate ...
The pressure transmitter I use outputs a signal of 0.5v-4.5v. If I use 430f149 to collect the signal, I can only use an external voltage reference source. So what chip should I use? Can you recommend ...
1. When using MICROLIB, global variables are not initialized; 2. When not using MICROLIB, if you do not redefine _sys_exit(), you can see that the global variables are initialized correctly, but stop ...
[size=4]Due to the rapid development of microelectronics technology, digital electronic systems composed of IC chips are developing rapidly in the direction of large scale, small size and high speed, ...