Class BleLocalValueAttributeAbstract<ParentClass, ChildrenClass>

It reads data.

Even you wrote string or number, it returns binary array. It throws an error when failed.

// Javascript Example
let data =  await attr.readWait()
 console.log("data: " , data );
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This writes dataArray. It throws an error when failed.

// Javascript Example
await attr.writeWait([0xf0,0x27]);
console.log("write success");
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