LuminaSet Bluetooth Utility vs UniversalBle Explorer

Scan for nearby Bluetooth Low Energy peripherals and explore their services, characteristics, and device information. Built for firmware and hardware engineers who need to read, write, and verify GATT values quickly. Subscription required. Write and read any characteristic Write/Read characteristic values as strings, decimal numbers, or hex. With byte-order (big-endian / little-endian) and signed / unsigned interpretation for integer values. Hex entry that formats into byte pairs as you type without losing your cursor position. Read values from any characteristic, including custom and non-standard ones specific to your device. Subscribe to notifications and indications per characteristic and watch asynchronous updates arrive live. Built for repeat testing Write history is retained per device, per service, and per characteristic: twenty devices running identical firmware each keep their own characteristic write log and also has write history for matching Service + Characteristic / identical devices. Every write is timestamped and marked with its outcome, so you can see at a glance which values the peripheral accepted and which it rejected. Tap any past value to resend it instantly. Write to every connected device that exposes the same characteristic in a single action. See what the device actually is Service, characteristic, and descriptor names resolved from the Bluetooth SIG assigned numbers. Manufacturer resolved from the SIG company identifier in the advertising packet. Model number, serial number, and firmware, hardware, and software revisions read from the Device Information Service. Real-time signal strength and advertising details for every nearby device, with proximity and unknown-device filters. Console Log Live console with detailed, timestamped events for every connection, read, write, and notification. Filter the console by device, characteristic, UUID, or value to find one event among thousands. Full-screen console on iPhone. Export console output to a .txt file to attach to a bug report or share with your team. Terms of Use (EULA): https://keois.com/products/luminaset/terms-of-use.html Privacy Policy: https://keois.com/products/luminaset/privacy-policy.html Who this is for LuminaSet Bluetooth Utility is used by embedded firmware developers bringing up new hardware, QA and production-test teams verifying units before they ship, field engineers diagnosing deployed devices, and instructors teaching Bluetooth Low Energy. If you write firmware that exposes a GATT service, this is the tool for confirming it behaves the way you intended — before you write a companion app. Moving from prototype to production When you go from one board on a bench to a batch on a line, keeping track of which unit received what becomes the hard part. Write history is scoped to the individual device rather than to the characteristic UUID, so identical units never share a log, and each entry records the time and whether the peripheral acknowledged it. Devices that publish a serial number over the Device Information Service are identified by that serial. Broadcast writes let you push the same provisioning value to every connected unit that supports it in one action. Supported devices Works with any Bluetooth Low Energy peripheral, including development kits and modules from Nordic Semiconductor, Espressif, Texas Instruments, Silicon Labs, and STMicroelectronics, as well as commercial sensors, beacons, wearables, and industrial equipment. Requires Bluetooth LE hardware; classic Bluetooth and Wi-Fi devices are outside the scope of Core Bluetooth and will not appear.

UniversalBle Explorer is an open-source developer tool for discovering, connecting to and debugging Bluetooth Low Energy devices. Built on the universal_ble Flutter plugin, it offers a consistent experience across all platforms. SCAN & DISCOVER • Real-time scanning with a prominent scan button and a Start Scan prompt when no devices are found • Filter by service UUIDs, name prefix or manufacturer data, with saved presets that persist between sessions • Search devices by name or company name, resolved from Bluetooth SIG company identifiers • Sort by RSSI, last seen or name • View RSSI, the last advertisement and a live advertisement list that flashes as new packets arrive • Scanning continues while you inspect a device • Inspect devices already connected at system level on supported platforms CONNECT • One-tap connect and disconnect with live connection state • Optional autoConnect for automatic reconnection • Multiple simultaneous connections SERVICES & CHARACTERISTICS • Full GATT discovery with clear, human-readable output • Favorite services first, system services last • Property filter chips for read, write, notify, indicate and more • Text search by characteristic UUID, ignoring case and hyphens • Previous/next navigation between characteristics • Copy the complete service layout from the panel header READ, WRITE & SUBSCRIBE • Read characteristic values on demand • Write with or without response • Subscribe to notifications and indications, individually or for all at once • Live values in the log with timestamps GATT SERVER • Create, edit and manage GATT server profiles with services and characteristics • Run a peripheral server with advertising • Add or remove services at runtime • Import and export profiles as JSON DEVICE FINGERPRINT • Capture a complete fingerprint in one tap: 60 seconds of consolidated advertisements, discovered services, all readable values and a rolling-ID check after reconnecting • Copy the full report or stop the capture at any time LOGS & DIAGNOSTICS • Add custom log entries and clear individual entries • Auto-scroll to the newest entry, with a persisted toggle • Characteristic UUIDs included on read, write and error entries • Copy advertisements with an optional RSSI column • Detailed error codes and a configurable operation timeout POWER USER TOOLS • Command queue: Global, Per Device, Auto or None • Request a larger MTU for higher throughput • Pair and unpair devices with live pairing state • Guided permission flow and Bluetooth availability indicator BUILT FOR DEVELOPERS Whether you are building a BLE product, testing hardware, validating firmware or learning Bluetooth Low Energy, UniversalBle Explorer gives you the visibility and control you need. It is free, open source and built on the universal_ble plugin.