esp8266应用教程——TFT LCD显示 esp8266虽然硬件资源比较少,但是用它驱动LCD并做一些简单的应用还是可以的。 本文介绍的软件开发基于Arduino,esp8266开发的方式有很多,对于功能较为简单的项目或者前期方案验证,用Arduino是最简单最直接的。 1 硬件介绍 本文的硬件配置如下: 1.1 模块介绍 ESP8266我用
app=life.time&appkey=10003 &sign=b59bc3ef6191eb9f747dd4e83c99f2a4&format=json"。 M4平台上的代码实现 主函数 int main() { SDErrEnum_Typ sderr; u32 t = 0; u16 i = 0; //u16 *pgbk = (u16*)g_sdcard_rcv_send_buff_5k; u8 *ssid = (u8*)"SP3-20171119FAU-72970";//这里是你...
The SG2002 SoC sits in the middle of the PCB, to the right of the TF/SD card. If you look carefully in the gap between the SD-card holder and the SG2002 (and squint your eyes just right) you’ll see a white silkscreened label with “A53/C906”, with a loop extending around ...
Copy the file html/msg.cgi to the root folder of a fat32 SD card and modify to suit your needs. Use: open a web browser to the web server running on the esp8266 See the Video For example: http://192.168.200.116/msg.cgi You can update status and return time information on the TF...
Format your micro SD card as FAT (Recommend using SD Card Formatter). By default 512MB is more than enough but it can support up to 4GB micro SD cards. Download and put everything under sd_card folder in this repo into your micro SD card Edit the files under /cfg/ to setup WiFi ...
vi /etc/asound.conf defaults.ctl.card 1 defaults.pcm.card 1 defaults.timer.card 1 保存退出再尝试以下,有声音后。输入alsactl store保存配置,需要恢复的时候alsactl restore每次开机播放音乐都没有声音怎么办?尝试打开alsamixer,再退出。播放音乐,还是没声音alsactl restorealsamixer应该就有了 离线 ...
然后在CHOOSE SD CARD中选择对应的 SD 卡,最后点击WRITE开始写入 1.3. 无键盘屏幕WiFi配置 在/boot文件夹下添加wpa_supplicant.conf文件,内容如下: country=CN ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev update_config=1 network={ ssid="WiFi-A" ...
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➢ ArduCAM_Mini_OV2640_Video2SD (or ArduCAM_Mini_OV5642_Video2SD) This example takes motion JPEG video clips using ArduCAM mini 2MP/5MP and then stored on the TF/SD card as AVI format,about 4 minutes to complete. 9 www.ArduCAM.com©...
If the SD card is the only SPI device, use dedicated SPI mode. This can greatly improve performance. See the bench example. Here is write performance for an old, 2011, card on a Due board. Shared SPI: write speed and latency speed,max,min,avg KB/Sec,usec,usec,usec 294.45,24944,1398...