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PINIO – control, monitor, and expand!

📡 ES.PINIO

ESPINIO Logo

ES.PINIO is a ready-to-use automation module based on the ESP8266 (ESP-12F) microcontroller.
It is designed for fast and easy integration with Home Assistant and other smart home systems.

Thanks to full compatibility with open-source firmware like Tasmota and ESPHome, no programming is required to get started.

🔧 Key Features

  • 2 digital inputs (e.g. for buttons or sensors)
  • 2 relays (up to 2A)
  • 1-Wire bus (e.g. for DS18B20 temperature sensors)
  • 2.4 GHz Wi-Fi communication
  • Optional microUSB or UART connection for flashing
  • DIY GPIO access using standard crimp connectors
  • Extra soldering pads for optional extensions
  • PCB fits standard DIN rail (TH35) enclosures
  • Wide input voltage range: 8–24 V DC
  • Removable terminal blocks for easy installation and testing
  • Power connector with unique spacing to help avoid wiring mistakes
  • Outputs for status LEDs
  • Input for optional reset button

⚙️ Integration with Home Assistant

ES.PINIO can be used in two main ways:

🔹 1. Ready-made firmware

Because it uses ESP-12F, the device works with:

  • Tasmota – web-based interface, MQTT control
  • ESPHome – YAML configuration and deep Home Assistant support

📌 Tasmota and ESPHome are open-source projects. ES.PINIO is not their creator but supports them fully through compatible hardware.

🔹 2. Custom firmware

You can also write your own code using:

  • Arduino IDE
  • PlatformIO
  • ESP-IDF (C/C++)
  • NodeMCU (Lua)

💡 Use Cases

  • Controlling lights or relays
  • Door/window status monitoring
  • Simple automation based on time or temperature
  • Cloud-free Home Assistant integration

🧩 Terminal Block Layout

┌──────────────┬──────────────┬──────────────┬──────────────┬─────────┐
│    1-Wire    │   Relay 1    │   Relay 2    │    Inputs    │  Power  │
├────┬───┬─────┼────┬────┬────┼────┬────┬────┼────┬────┬────┼────┬────┤
│+5V │1W │GND  │NO  │COM │NC  │NO  │COM │NC  │IN2 │GND │IN1 │+12V│GND │
└────┴───┴─────┴────┴────┴────┴────┴────┴────┴────┴────┴────┴────┴────┘
  • 1-Wire – used to connect digital sensors (e.g. DS18B20): +5V, 1W, GND
  • Relay 1 / Relay 2 – relay terminals:
  • NO – Normally Open
  • COM – Common
  • NC – Normally Closed
  • Inputs – IN1 and IN2 for buttons or sensors (GND is shared for both)
  • Power – +12V and GND – main power input

💡 The relays and inputs are fully independent – you can use them for separate circuits.

📷 Photos

ES.PINIO front ES.PINIO left ES.PINIO right

🔧 Options (pre-soldered floating terminal blocks on the top for manual fly-wire connections, USB)

ES.PINIO option