A comprehensive look at the HM-10 BLE 4.0 modules.Using.Connecting.Updating. This page is out-of-date and no longer being updated. For the newer guides jump to the quick links page Introduction The HM-10 is a small 3.3v SMD Bluetooth 4.0 BLE module based on the TI CC2540 or CC2541 Bluetooth SOC (System On Chip). The HM-10 is … Continue reading HM-10 Bluetooth 4 BLE Modules