3 pcs JDY-22 4.2 Ultra Baixo Poder BLE Bluetooth Módulo de Transmissões Seriais Externas Antena
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1個が動作不良。 データシート。 https://pan.baidu.com/s/1alub7gi9Qa1BJMRDjI4DQQ
I did some track tracing from some pictures of JDY-21 that apparently uses the same chip . JY01S512E ( could not find any documentation on this on google ). Can someone please confirm the pinouts I came up with . Please dont use this till someone has confirmed the pinouts .... I havent tested yet.