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Visual Firmware BuilderDraw flowcharts, get Zephyr C code
AppBlocks for ZephyrAll of Zephyr, none of the boilerplate
Supported HardwareTibbo devices and Zephyr boards

Connect

ModbusMaster or slave, RTU or TCP
MQTTPublish and subscribe to any broker
PLC to MQTTGet PLC data to the cloud over Modbus

Run and manage

Web ConsoleA browser UI on every device
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vs. Hand-written Zephyr
vs. Arduino
vs. AI-generated firmware
vs. a PLC

Hardware · Coming soon

MQTT Gateway
Smart Farming
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Monitoring

Temperature
Humidity
CO2
Particles
Water Quality
Liquid Level
Soil
Flood Detection
Vibration & Tilt
AC Detection
Cycle Counting
Ingress

Control

Temperature
CO2
Lighting
Water Level
Nutrient Supply
Card Access
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What is AppBlocks?
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Blocks
Modbus
Modbus Request

Modbus Request

This block sends out a modbus request.

Modbus Write Block

Modbus Write Block

See also Modbus

On Modbus Timeout

Draw your firmware as a flowchart. AppBlocks generates readable Zephyr C for hundreds of boards.

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Platform

Visual Firmware Builder
Web Console
AppBlocks Cloud
OTA Updates
Mobile App
Cloud Workflows
Modbus
MQTT
Hardware
All features →

Compare

vs. Hand-Written Zephyr
vs. Arduino
vs. AI-Generated Firmware
vs. a PLC
AppBlocks for Zephyr

Resources

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Solutions

Industrial Automation
Aquafarming
Data Centers
Fuel & Grain Depots
Hotel Management
Indoor Farming
Outdoor Farming
Production Floors
Restaurant Automation
Smart Buildings
Smart Cities
Warehouse Management

Capabilities

Temperature Monitoring
Humidity Monitoring
Flood Detection
CO2 Monitoring
Liquid Level Sensing
Water Quality Monitoring
Vibration & Tilting Detection
Soil Monitoring
All capabilities →

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