Unofficial Python BLE client for the Renpho ES-CS20M smart fitness scale. Streams weight and body fat, derives nine body-composition metrics, supports async user-detection mode.
Zero-dependency Web Bluetooth driver + reverse-engineered protocol docs to print Niimbot label printers straight from the browser — no app. Validated on B1, B1 Pro, B2 Pro, M2-H, D11_H, D110 and N1.