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Arduino bluetooth repeater10/13/2023 A proper BLE dongle should be good for 100m. I understand the BMS has a Bluetooth classic dongle. NodeMCU does not have Bluetooth, but I'm sure an HC-05 can be connected to D9,D10.īut on reflection, there must be a swag of ways to do this, and all pretty simple. I have very little hands on experience with NodeMCU but it has hardware serial pins D9,D10. The Heltec ESP32 has on board BLE that I believe is backward compatible with BT2, which suggests that there is no point in adding an HC-05. That's not making sense, Klaus, so maybe you are thinking of the ESP32 in some form or the other, but I suspect OP is across it anyway. Is it possible to implement the Bluetooth Serial Port Profile plus WiFi on the Node MCU you recommended or would a HC-0x be a better choice for the Bluetooth part? ![]() I can find consumer devices that do this but they are generally specific to a specific venders products and not generic BT repeaters. The idea is basically to have a more generic Bluetooth -> WiFi/Ethernet Bluetooth capability so an app running on Android or iOS or Other OS that communicates via Bluetooth can “see” a remote Bluetooth based device across a LAN/WAN at a much greater distance. But that means I’d need to bypass the existing software (SmartBMSUtility or XiaoxiangBMS) and develop something myself which is beyond my current knowledge base (but sounds fun when I get more time). The Bluetooth module connects to the BMS via a UART port so if I had to I could possibly direct connect to the BMS via that port and use serial to communicate with the BMS and bypass the Bluetooth altogether. ![]() The item is sold by Shenzhen E-Fire Technology Development Co.
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