BK蓝牙方案原理图
来源：爱玩科技网
L70110UHU70112345VBATSPK_R_NSPK_R_PSPK_L_NSPK_L_PVMICMIC_NMIC_PGIO13GIO12/B_ENJ_MSJ_CKJ-DOJ_DIJ_RSTGNDANTGIO1/LED0GIO0/LED1GIO2GIO3GIO4GIO53V3_B3V3_AGIO6GIO7GIO8/RXGIO9/TXGIO10GIO11GND1323130292827262524123222120191817BT_VDDBL_R1KR7051UFC70567U7026206-3V3GND1104P2OUTEC70110UBL_L1KR7041UFC704IN3VDDEC702C71610UFNCNCNCNC1011104PC707C706R707R7061213141516BLUETOOTH2C715