Help Center

A quick tour of the platform — devices, gateways, dashboards, rules, and alerts.

Create an account, connect an ESP32 gateway or an MQTT device, see live data on a dashboard and get your first threshold alert.

The vocabulary Synacl uses: device, gateway, tag (parameter), telemetry, event, alert, tenant and plan, and how the pieces fit to…

Verify email, add a passkey or 2FA, and set your profile.

Flash the gateway firmware onto an ESP32 from your browser, provision Wi-Fi, and bridge RS485/Modbus and GPIO sensors to the clou…

Register a device and pick the right protocol for how it connects: mqtt-direct, RS485/Modbus, GPIO, I²C, SPI, 1-Wire, UART, HTTP…

No ESP32 or sensor yet? Add a simulated sensor that publishes live temperature, humidity and light readings for an hour, so you c…

What you can do from the iPhone and Android app — alerts, dashboards, monitors, rules and remote gateway checks — and how to get…

Put a temperature probe on an ESP32 gateway in each freezer, chart every unit, and get an email or webhook alert before stock spo…

Wire RS485 energy meters to a gateway, map voltage, current and kWh registers to tags, chart consumption and alert on overloads.

When you need a gateway, and when a device can talk to us directly.

Tags are the named measurements a device reports — what widgets bind to.

A device is online if we've heard from it within its expected reporting window.

Set an alarm limit on a tag — above, below, outside a range or beyond ± — with an optional Watch value; the device dot turns yell…

Give a tag an alarm limit and an optional Watch value. Synacl grades every reading Normal, Watch or Alert — in the cloud or on th…

Repeated rate-limit violations suspend a device temporarily — here's the cycle.

Change a device's name, connection settings, gateway, or remove it.

Temporarily stop polling a device (3 modes) or change how often it's read — no re-provisioning.

Add an actuator as a device and control it — on/off, level %, position °, move, or speed — from the device page, a dashboard, or…

Register a whole fleet in one go — configure one device, then generate copies with auto-numbered names and Modbus IDs.

Switch a load on or off — relays, solid-state relays, contactors, solenoids, valves, pumps, heaters, fans, lights and buzzers — f…

Drive a 0–100% output — LED dimmers, dimmable lamps, variable-speed fans and motors, proportional heaters and generic PWM — from…

Set an angle (0–180°) for servo-driven hardware — hobby/industrial servos, motorized ball valves, HVAC dampers and linear actuato…

Step a motor a number of units forward or reverse — stepper motors and stepper-driven linear stages / camera sliders. Each press…

Drive a bidirectional DC motor by speed and direction (−100…100%) through an H-bridge — DC motors and conveyor/belt drives. Needs…

Start from a known meter or sensor — the catalog fills in the protocol, connection settings and the full register/tag map for you.

Wire a Modbus RTU sensor to a gateway and map its registers.

Poll a Modbus TCP slave over the LAN by IP and port.

Publish straight to our broker with per-device credentials — the topics and the exact JSON payloads the platform accepts.

Pull JSON from a device or API endpoint on a schedule.

Poll network gear (UPS, switches, PDUs) over SNMP.

Push telemetry to Synacl over HTTPS as an alternative to MQTT — with a per-device secret.

Monitor the CPU temperature and load, memory, disk, uptime and network throughput of the machine synacl-gateway runs on, as an or…

Subscribe to topics on a broker you already have — Tasmota, zigbee2mqtt, Home Assistant, a PLC — and map a field of each payload…

Read or drive a gateway's pins — digital in/out, analog (ADC), and PWM.

Read DS18B20-style 1-Wire sensors from a gateway pin.

Read CAN bus frames (automotive/industrial) via a gateway.

Read M-Bus utility meters (heat, water, gas) through a gateway.

Control a gateway output pin and toggle it from a dashboard.

Read I²C sensors from a gateway's I²C bus — built-in drivers for BME280, BMP280, SHT31 and ADS1115, or any chip with a datasheet…

Read an SPI sensor/ADC from a gateway using MOSI/MISO/SCLK/CS.

Read a serial (UART) sensor or module via a gateway's TX/RX.

Read a 0–3.3 V analog signal on a gateway ADC pin and scale it.

What a gateway does, the supported types, and its lifecycle.

Flash the Synacl gateway firmware, or any .bin, from Chrome or Edge over Web Serial — in the app or at synacl.com/flash, no accou…

Register a gateway that is not an ESP32 — a Raspberry Pi, a PC, a container — run the open-source reference gateway on it in one…

Give a freshly flashed gateway network credentials so it comes online.

Push a new firmware version over the air from the gateway page.

Reboot a gateway or clear its configuration remotely.

Add sensors to a gateway with automatic pin-conflict checking.

Wi-Fi, Ethernet, and cellular uplinks; parent/child chaining; and configuring a gateway's Ethernet port.

Pull a live diagnostics snapshot and stream a gateway's logs from your phone — from anywhere.

The events a gateway emits and what its health fields mean.

Open a USB serial console to an already-provisioned gateway to watch its live log and run commands.

Stream a gateway's logs in real time from its detail page, choosing which categories you see — no USB cable needed.

Register a batch of pre-flashed gateways from their chip IDs — no serial flashing required.

Your gateway keeps recording while its internet is down and uploads the backlog when the connection returns. What is kept, for ho…

Why a gateway has a configuration size limit, what happens when you reach it, and how to free space.

How dashboards, widgets, and the grid layout fit together.

Drag charts, gauges and value cards onto a canvas, bind them to live device tags, and quick-add widgets straight from a device's…

Day-to-day dashboard management, including conflict handling.

Choose which dashboard opens automatically when you log in.

Control the time window, refresh, timezone, and theme of a dashboard.

The seven data-source types and when to use each.

Downsample noisy streams with avg/min/max/sum/count/last over an interval.

Adjust raw readings before they're displayed.

Every display widget and what it's best for.

Write back to devices with buttons, toggles, sliders, and actions.

Read a tag from the device right now with one click — without waiting for the next poll.

Combine multiple tags into one value with a formula.

Plot device location with the map-track widget.

Drop pumps, valves, tanks and gauges on a canvas and connect them with live animated pipes.

A Fleet KPI tile per parameter, a Station List that puts alerts at the top, and a station variable so one detail dashboard serves…

Trigger in-app, email, webhook, or MQTT actions when a threshold is crossed.

The comparison operators a rule can use and how scope works.

Label urgency and prevent alert storms with a cooldown.

Send an email to one or more recipients when a rule fires.

POST a signed JSON payload to your endpoint when a rule fires.

Publish to any MQTT broker when a rule fires.

Save reusable webhook/MQTT actions and trigger them from a dashboard.

How many actions your plan can fire per month, and what happens at the cap.

Run actions when a job finishes, a device drops offline, or a gateway comes back — no threshold needed.

Build a sequence of moves, waits and logic once, then run it from your phone, on a schedule, or when a sensor or device event fir…

Twelve copy-paste macro recipes for the everyday cases — pulse a relay, blink an output, stagger a power-up, set dimmer scenes, p…

Twelve recipes that use variables, math, conditions, sensor reads, and backend calls — fades, breathing and ramps, a scheduled th…

The three data streams and where each one shows up.

Where events show up and how to read them.

Every event type Synacl emits, grouped by area.

What protocol fault events mean and how to clear them.

Play a sound when an alert at or above a severity arrives.

Forward telemetry to your own systems — webhook, InfluxDB, MariaDB, Kafka.

POST each reading to your own HTTP endpoint.

Write telemetry into an InfluxDB v2 bucket.

Insert telemetry rows into a MariaDB/MySQL table.

Publish telemetry to a Kafka topic.

Confirm a webhook really came from Synacl using the HMAC header.

Build your own MQTT-capable actuator that the platform can command directly, without a gateway — topics, command payloads, and th…

Issue a non-interactive credential for a script, a tool, or an AI agent, limited to exactly the permissions you tick.

Where the open Synacl gateway protocol is published, what it covers, and the five-message lifecycle every gateway follows.

Let Claude or another MCP-capable AI assistant read and act on your devices over the Model Context Protocol: what it can do, what…

What each plan tier includes and how enforcement works on a downgrade.

How the Free, Starter, Pro, Business, and Enterprise tiers differ.

How plan changes apply, and the grace period on a downgrade.

How to pay, which methods are supported, and how auto-renewal works.

See your next charge, cancel auto-renewal, and understand what happens next.

Apply a discount or free-trial code at checkout.

What "Retrying" and "Failed" mean, how long you have, and how to fix it.

Where to find your invoices, how to download a PDF, and what to do if one never arrived.

Share your link to earn rewards when friends subscribe.

How long telemetry and events are kept, and what the storage cap means.

Custom device bands, retention, and limits for large fleets.

What the publish interval and aggregate rate mean, with concrete examples.

Pick an interval and plan that fit your device count without drops.

Suspension is temporary and self-healing — here's the cycle and the fix.

Every limit field on a plan and what it controls.

Passwordless sign-in with Face ID, Touch ID, or a security key.

Invite colleagues to your account and control exactly what each can do with roles.

Add a 6-digit authenticator code on top of your password.

Update your password, or reset it if you're locked out — and sign out of every device at once.

Invite colleagues by email, assign a role, and change or remove access any time.

Build your own roles by choosing exactly which permissions to grant.

Confirm your address so account and alert emails reach you.

Update your name, contact email, and display preferences.

How account deletion works, including the 30-day grace period.

Online status is based on recent messages — here is how it works.

Dropped messages almost always mean a rate limit was hit.

How retention works and how to get your data out.

Realtime-only tiers and storage caps both stop persistence.

Yes — upgrades are instant; downgrades use a grace period.

Storage scales with devices, tags, and publish frequency.

Your isolated account space that scopes all your data.

How your data is isolated and protected.

Use the topbar report button — you'll get a notification when we close your report.

Reset your password or recover access.

Where direct MQTT devices publish and how they authenticate.

Checklist for debugging rule webhook deliveries.

Step-by-step checklist when a device won't come online.

Check your phone's permission, confirm it registered, and send yourself a test notification from the app.

Identify which limit you're hitting and how to fix it.

When a gateway won't connect after flashing.

What to do when an OTA update doesn't complete.

When widgets are blank or stale.

Browser and USB requirements for flashing a gateway.

Debug delivery failures to webhook/InfluxDB/MariaDB/Kafka.