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Some Questions about the Optical Heart Rate Monitor

When I Bought the material for the TIDA-00011,I found that the "BR-LE4.0-S2A" bluetooth module cna't buy on the market.So I want to know if there is other bluetooth module i can used in the TIDA-00011? If there has, Could you Please tell me the Manufacturer Part Number,thank you!

And there is another questions,that what bluetooth module could i used on PC to connect with the TIDA-00011?I found you used BlueRadios USB Serial Dongle on the PC,But I don't know the Manufacturer Part Number,Could you please tell me where did i can buy it?