User's Manual

HY-254101 Bluetooth BLE Module Specifications (User manual)
1.Description
HY-254101 Bluetooth low energy module is a single mode device targeted for low power
sensors and accessories.
HY-254101 offers all Bluetooth low energy features: radio, stack, profiles and
application space for customer applications. The module also provides flexible
hardware interfaces to connect sensors.
HY-254101 can be powered directly with a standard coin cell batteries or pair of
AAA batteries. in lowest power shutdown mode it consumes only 0.5 uA and will wake
up in few microseconds.
Bluetooth IC：TTC2541 6*6 40pin IC / use TI CC2541 IC dice
2.APPLICATIONS:
Heart rate sensors
Pedometers
Watches
Blood pressure and glucose meters
Weight scales
Key fobs
Households sensors and collector devices
Security tags
Wireless keys (keyless go)
Proximity sensors
Indoor GPS broadcasting devices
3.KEY FEATURES:
 Bluetooth BLE 5.0 single mode RF physics charactics compliant
 Supports master,slave and master/slave modes
 Integrated Bluetooth low energy stack
 GAP, GATT, L2CAP, SMP Bluetooth low energy profiles
 Compliance: BQB , FCC, IC(Canada), CE ETSI RED…etc. worldwide RF
Regulations.
 In-System-Programmable Flash 256KB SRAM 8KB
 Low current consumption :Shutdown. No clocks running, no retention:
0.5uA(Typical)