@ledgerhq/hw-transport-web-ble NPM

GitHub, Ledger Devs Discord, Developer Portal

@ledgerhq/hw-transport-web-ble

Allows to communicate with Ledger Hardware Wallets.

Web (Bluetooth) – check browser support.

Are you adding Ledger support to your software wallet?

You may be using this package to open a Bluetooth connection between your web application and the device.

For a smooth and quick integration:

See the developers’ documentation on the Developer Portal and
Go on Discord to chat with developer support and the developer community.

API

BluetoothTransport

BluetoothTransport

Extends Transport

react-native bluetooth BLE implementation

Parameters

device Device
writeCharacteristic Characteristic
notifyObservable Observable<any>
deviceModel DeviceModel

Examples

import BluetoothTransport from "@ledgerhq/hw-transport-web-ble";

exchange

Exchange with the device using APDU protocol.

Parameters

apdu Buffer

Returns Promise<Buffer> a promise of apdu response

observeAvailability

observe event with { available: bool, type: string } (available is generic, type is specific) an event is emit once and then each time it changes

Parameters

observer any

listen

Scan for Ledger Bluetooth devices. On this web implementation, it only emits ONE device, the one that was selected in the UI (if any).

Parameters

observer any

open

open a bluetooth device.

Parameters

deviceOrId (Device | string)

disconnect

globally disconnect a bluetooth device by its id.

Parameters

id any

Ledger LedgerWallet bluetooth ble NanoS Blue Hardware Wallet

rxjs @ledgerhq/devices @ledgerhq/errors @ledgerhq/hw-transport @ledgerhq/logs

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@ledgerhq/hw-transport-web-ble v6.29.4