问答-
乐鑫ESP32 AT连接蓝牙小键盘订阅问题 sos
目前已经配对成功，服务特征值读取正常，就是无法订阅，按键无效，不知道是少了哪步，路过道友帮忙看看： [09:19:53.807]发→◇AT+BLECONN=0,"df:11:a8:d7:0d:d2",1,5 □ [09:19:54.311]收←◆+BLECONN:0,"df:11:a8:d7:0d:d2" OK [09:19:54.774]收←◆+BLESECREQ:0 [09:19:59.424]收←◆+BLECONNPARAM:0,6,7,7,44,216 [09:20:07.531]发→◇AT+BLEENCRSP=0,1 □ [09:20:07.624]收←◆ OK [09:20:07.817]收←◆+BLESECKEYTYPE:0,1 +BLESECKEYTYPE:0,2 +BLEAUTHCMPL:0,0 [09:21:27.751]发→◇AT+BLEGATTCPRIMSRV=0 □ [09:21:27.859]收←◆+BLEGATTCPRIMSRV:0,1,0x1801,1 +BLEGATTCPRIMSRV:0,2,0x1800,1 +BLEGATTCPRIMSRV:0,3,0x180A,1 +BLEGATTCPRIMSRV:0,4,0x180F,1 +BLEGATTCPRIMSRV:0,5,0x1812,1 +BLEGATTCPRIMSRV:0,6,0x6E40FF01B5A3F393E0A9E50E24DCCA9E,1 OK [14:41:42.589]发→◇AT+BLEGATTCCHAR=0,5 □ [14:41:42.703]收←◆+BLEGATTCCHAR:"char",0,5,1,0x2A4E,0x06 +BLEGATTCCHAR:"char",0,5,2,0x2A4D,0x1a +BLEGATTCCHAR:"desc",0,5,2,1,0x2902 +BLEGATTCCHAR:"desc",0,5,2,2,0x2908 +BLEGATTCCHAR:"char",0,5,3,0x2A4D,0x1a +BLEGATTCCHAR:"desc",0,5,3,1,0x2902 +BLEGATTCCHAR:"desc",0,5,3,2,0x2908 +BLEGATTCCHAR:"char",0,5,4,0x2A4D,0x1a +BLEGATTCCHAR:"desc",0,5,4,1,0x2902 +BLEGATTCCHAR:"desc",0,5,4,2,0x2908 +BLEGATTCCHAR:"char",0,5,5,0x2A4D,0x0e +BLEGATTCCHAR:"desc",0,5,5,1,0x2908 +BLEGATTCCHAR:"char",0,5,6,0x2A4B,0x02 +BLEGATTCCHAR:"char",0,5,7,0x2A22,0x12 +BLEGATTCCHAR:"desc",0,5,7,1,0x2902 +BLEGATTCCHAR:"char",0,5,8,0x2A32,0x0e +BLEGATTCCHAR:"char",0,5,9,0x2A4A,0x02 +BLEGATTCCHAR:"char",0,5,10,0x2A4C,0x04 OK [14:41:48.690]发→◇AT+BLEGATTCRD=0,5,7,1 □ [14:41:49.184]收←◆+BLEGATTCRD:0,2,\0\0 OK [14:41:53.446]发→◇AT+BLEGATTCWR=0,5,7,1 □ [14:41:53.546]收←◆> [14:41:58.348]发→◇□ [14:41:58.444]收←◆ ERROR
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ESP32S3R8N8 开发板如何不用usbc 充电，外接锂电池供电电源？
我需要开发一个东西，我希望烧录完程序后，单片机直接外接锂电池供电，这样就可以到处带，有接8个左右压力传感器，需要供电够持久。
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