BleSmith

BleSmith is a hands-on Bluetooth Low Energy toolkit for firmware and app developers. Sign in to sync your workspace across devices, or work locally — your call.

SCANNER
Live advertiser list with RSSI, raw advertising bytes, decoded beacon formats (iBeacon, Eddystone, AltBeacon), manufacturer names, TX power, appearance and advertising interval, plus scan-mode and name/RSSI filters.

DEVICE / GATT
Connect, discover services, read/write/subscribe to characteristics, MTU and PHY negotiation, connection priority, RSSI, bonding, and human-readable decoding of standard SIG characteristics (Battery, Health Thermometer, Device Information and more) with a live plot of notified values.

CODEC
Declarative and scripted packet decoders. Import from Protobuf or C structs. Export as a Wireshark Lua dissector, C header, or JSON.

PERIPHERAL
Turn the phone into a GATT server with one-tap templates (Heart Rate, Battery, Device Information, Nordic UART, HID keyboard) or clone a connected device's GATT tree.

DIAGNOSTICS
Throughput lab (GATT, L2CAP CoC, notifications), UART console with a serial plotter, RSSI/telemetry charts, an automation sequence runner, multi-device connections, and session export to CSV/JSON/pcapng plus btsnoop import for Wireshark.

FIRMWARE UPDATE
Nordic (legacy + secure) and MCUmgr/SMP DFU.

Your account keeps your saved decoders, device profiles, and sessions in sync across devices.