Collect protocol sample
Share frame examples, register maps, or device documentation if available.
RS485 data upload
RS485 machine data upload board for telemetry and fault events.
Use QuLink when a machine exposes RS485, UART, or serial data and your backend needs status, metering, fault, usage, or result events without building a full IoT gateway.
RS485TelemetryFault alertsWebhook
Project fit
For machines with serial or RS485 data
Buyer signals
- Metered devices, cabinets, charging, vending, water, and service equipment.
- Machines that need telemetry upload but not always physical control.
- Operators needing fault alerts, usage logs, or online status.
- OEMs that need protocol parsing and webhook integration.
What to send first
- Machine photo or existing board photo
- Interface or wiring note if available
- Target action after API command or payment
- Whether telemetry or data upload is required
Not the right fit if
- You only need a pure payment acquiring account and no machine-side control.
- There is no physical machine action after payment, booking, or API approval.
- The project has no machine photo, board photo, wiring note, or interface clue yet.
Integration model
Translate machine frames into server events
QuLink reads serial or RS485 data, maps project-specific fields, and sends normalized events to your backend.
- Machine interface
- RS485, UART, serial frames, sensors, optional relay control
- Connectivity
- 4G/cellular module, webhook callback, custom server integration
- Data returned
- telemetry.updated, machine.fault, meter.value, usage.log, online/offline
- Project mode
- data bridge retrofit, telemetry board, OEM data module
Workflow
From machine interface to API-controlled result.
Map data fields
Define telemetry, faults, meter values, and result events your server needs.
Upload events
QuLink sends normalized callbacks to your backend.
Verify field behavior
Test retries, online/offline state, and real machine fault cases.
API example
A clear server command or webhook for the machine-side action.
The exact command fields depend on machine interface, firmware profile, and whether payment or your own app triggers the action.
POST /webhooks/qulink
{
"event": "meter.value",
"device_id": "METER-14",
"data": {
"interface": "rs485",
"energy_kwh": 18.42,
"status": "running"
}
}
Project RFQ
Send a machine photo. We help identify the board, interface, and next test step.
Send the machine model, RS485/serial documentation, sample frames, data fields, connectivity needs, and target server format.
A good first message
If you are unsure about the exact interface, send what you have. Photos often answer more than a long spec.
- Machine type and target country
- Machine photo, board photo, or wiring photo
- Action after payment or API command
- Need data upload? expected quantity?
Fastest first step
- Send a machine photo
- Describe the action after API or payment
- Tell us if data upload is needed
FAQ
Questions buyers usually ask before a sample test.
Do we need full protocol documentation?
Documentation helps, but useful projects can also start from sample frames and real machine tests.
Can it combine data upload and control?
Yes. RS485 data upload can be combined with relay, pulse, or API command control when required.
Can QuLink send data to our own API?
Yes. The board can send webhook-style events or project-specific callbacks to your server.
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