Shelly MOD1U

Shelly MOD1U - Front

A zero-code solution designed to transform real-world products into smart, connected devices. It includes lifetime support from the Shelly ecosystem, offering cloud connectivity, mobile app control, OTA updates, and integration with popular home automation platforms - no external hub required.

The module supports up to 8 digital I/O ports, UART communication, and external temperature & humidity sensors.

With Wi-Fi and an external antenna connector compatible with Hirose, I-PEX, and Amphenol for flexible placement, the module is suitable for a wide range of smart control applications.

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Key features

  • Easy to integrate into compact appliances.
  • Wi-Fi 2.4 GHz, 802.11 b/g/n.
  • Embedded web interface.
  • External antenna

Typically used for

Environmental Monitoring

  • Smart weather sensors.
  • Room temperature and humidity sensors.
  • Air quality monitors.

Smart Home & Consumer IoT

  • Smart water valves for monitoring and control of home or garden water systems.
  • Wi-Fi smart relays.
  • Smart irrigation systems.
  • Smart lighting.
  • Thermostats and climate control panels.

Lead time

  • Typical lead time: 5 weeks

Depending on availability and quantity, lead time may vary.

What's included

  • Hardware module pre-flashed with our firmware.
  • Your customizations and configurations fully installed and ready for integration into your product.

Technical specifications

Chipset ESP32-C3FH4 embedded, 32-bit RISC-V single-core processor, up to 160 MHz
Memory 400 KB SRAM (16 KB for cache), 4 MB flash in chip package
Bluetooth® LE Bluetooth 5
Wi-Fi 2.4 GHz; IEEE 802.11 b/g/n-compliant
Antenna options External antenna via a connector: W.FL Series connector from Hirose, MHF III connector from I-PEX, AMC connector from Amphenol
Operating voltage 3.3 ~ 3.6 V
Operating temperature -40 ~ 105°C
Height 12.5 mm / 0.492 in
Length 13.2 mm / 0.520 in
Width 2.4 mm / 0.095 in

Documents and downloads

📄 Shelly MOD1U datasheet 📄 Shelly MOD1U IOs layout 📄 Shelly MOD1U PCB land pattern 📄 Shelly MOD1U dimensions

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