c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/../../../../avr/lib/avr51/crtm128.o:(.init9+0x0): undefined reference to `main' What does this error mean!!! ...
I like electronic things very much, but I have always been troubled by the resistance, capacitance, etc. of the peripheral circuit. I don't know how to choose and calculate. I am looking for informati
[i=s]This post was last edited by boming on 2014-7-5 14:45[/i] Here are some unboxing photos for the first time. Exquisite packaging Anti-collision plastic bag added inside Rich supporting CDs and com
I use a 149 chip and an 8M crystal oscillator. I can't adjust it with the source code in the previous post! ! !Has anyone done this before? ! ! !Please give me the source code. Thanks! ! !
[backcolor=rgb(238, 238, 238)][size=14px]3G module(client, multiple) needs to connect to the server (one) network. The client needs to upload data information (heartbeat packet, battery power, GPS, al
Abstract: Firstly, the characteristics of synthetic aperture radar (SAR) are introduced, and then the principle of synthetic aperture radar and the mechanism of . Since synthetic aperture radar can im