As the title says, I use launchpad g2231 to connect 1602, which is dedicated to 3.3v. I found some codes on the forum, but they don't work after they are actually connected. . . . Please help meThe co
When burning a program in zigbee, an error occurs: Segment ZIGNV_ADDRESS_SPACE must be defined in a segment definition option (-Z, -b or -P). I have tried all the methods mentioned on the Internet, bu
Hello everyone! I saw a method about "permanently saving registry data" in an article, but I don't understand it! It says as follows: 1. Open platform.reg and find the following information: ; HIVE BO
Hey guys, I recently used a Σ-Δ ADC and soldered a test board myself. The 24-bit resolution was lost by nearly half. I am ready to start drawing the board. I would like to ask you how to reduce the no
Hello everyone, I have always wanted to use arm to make a robot car, but due to professional limitations, I cannot devote all my energy to learning arm. Up to now (three months), I still only have a p
When calling API functions in the kernel, connection errors will occur. How can experts solve this problem? hal.lib(cfw.obj) : error LNK2019: unresolved external symbol MapViewOfFile referenced in fun