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  • 云南省玉溪市
  • 单片机 嵌入式 RF/无线

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国产电解电容性价比高有哪些厂家

国产电解电容性价比高有哪些厂家

PIC单片机怎么输出100KHZ方波?

PIC单片机怎么输出100KHZ方波?

mplayer移植出现问题。。。。。。。

Checking for ffmpeg/libavcodec/allcodecs.c ... found Checking for ffmpeg/libavcodec/hwaccels.h ... found Checking for ffmpeg/libavformat/allformats.c ... found Checking for ffmpeg/libavcodec/bitsteram_filters.c ... found Checking for ffmpeg/libavformat/protocols.c ... found Checking for ffmpeg/libavfilter/allfilters.c ... found Checking for gcc version ... 5.4.0 Checking for working compiler ... yes Detected operating system: Linux Detected host architecture: arm Checking for cross compilation ... no Checking for host cc ... gcc Checking for byte order ... little-endian Checking for extern symbol prefix ...   Checking for assembler support of -pipe option ... yes Checking for relocatable binary ... no (unavailable or untested architecture) Checking for PIC ... no Checking for ARMv5TE (Enhanced DSP Extensions) ... no Checking for ARMv6 (SIMD instructions) ... no Checking for ARMv6t2 (SIMD instructions) ... no Checking for ARM VFP ... no Checking for ARM VFPV3 ... no Checking for ARM setend ... no Checking for softfloat ABI ... no Checking for ARM NEON ... no Checking for ARM THUMB ... no Checking for iWMMXt (Intel XScale SIMD instructions) ... no Checking for langinfo ... no Checking for language ... messages: en - man pages: en - documentation: en Checking for enable sighandler ... yes Checking for runtime cpudetection ... no Checking for restrict keyword ... none Checking for __builtin_expect ... no Checking for kstat ... no Checking for atanf ... no Checking for cbrt ... no Checking for cbrtf ... no Checking for cosf ... no Checking for expf ... no Checking for exp2 ... no Checking for exp2f ... no Checking for isnan ... no Checking for isfinite ... no Checking for isinf ... no Checking for llrint ... no Checking for llrintf ... no Checking for log2 ... no Checking for log2f ... no Checking for log10f ... no Checking for lrint ... no Checking for lrintf ... no Checking for rint ... no Checking for round ... no Checking for roundf ... no Checking for sinf ... no Checking for trunc ... no Checking for truncf ... no Checking for erf ... no Checking for atan2f ... no Checking for fminf ... no Checking for ldexpf ... no Checking for powf ... no Checking for hypot ... no Checking for mkstemp ... no Checking for gmtime_r ... no Checking for localtime_r ... no Checking for nanosleep ... no Checking for socklib ... no Checking for struct pollfd ... no Checking for netdb.h struct addrinfo ... no Checking for netdb.h getaddrinfo() ... no Checking for sockaddr_storage ... no Checking for struct ipv6_mreq ... no Checking for struct sockaddr_in6 ... no Checking for struct sockaddr sa_len ... no Checking for arpa/inet.h ... no Checking for inet_pton() ... no Checking for inet_aton() ... no Checking for socklen_t ... no Checking for closesocket() ... no Checking for networking ... no Checking for inet6 ... no Checking for gethostbyname2 ... no Checking for SCTP ... no Checking for sys/un.h ... no Checking for sys/poll.h ... no Checking for inttypes.h (required) ... no Checking for sys/bitypes.h (inttypes.h predecessor) ... Error: Cannot find header either inttypes.h or bitypes.h. There is no chance for compilation to succeed. Check "config.log" if you do not understand why it failed. 出现了这种错误,网上资料很少请各位大佬知道

LDO的输出电压可以等于输入电压吗?

对于一个5V输出的LDO,如TPS73501,如果输入是5V,那么输出有5V吗? 如果输入不到5V,如4.7V,那么输出还能有稳定的5V吗?

关于DAP下载时无法识别芯片的问题

前几次使用DAP进行F407探索板的程序下载时,都正常。但是今天使用下载时,板子上电后居然无法识别芯片型号了。

CH340驱动不能识别

【前三名回答额外获得100IC币】 QQ截图20190305225818.png (43.83 KB 下载次数: 0) 下载附件 昨天 23:04 上传 这个是STM32F103的板子,先安装了CH340的驱动 ,连接板子上的USB_SLAVE和电脑就是如图,,,连接USB_232只听见连接的声音看不到设备,,,不知道该怎么办了

如何实现摄像头移动成像,请教各位大侠

【前三名回答额外获得100IC币】 想做一个利用摄像头移动连续成像的东西,效果就像手机中的全景拍摄,不知道如何实现。请教各位大侠