DSD TECH CC2640R2F HM-19 Bluetooth 5.0 BLE Module Instructions
DSD TECH CC2640R2F HM-19 Bluetooth 5.0 BLE Module Specifications Feature Specification Main Chip Texas Instruments CC2640R2F Bluetooth Version BLE 5.0 (Compatible with 4.0/4.2) Working Voltage 1.9V to 3.7V (Typical 3.3V)…