# Shelly Plus 2PM

> ESP32-based dual-relay WiFi/BLE smart switch with per-channel power monitoring via ADE7953, cover/shutter control mode, and 10A per channel. Flashable with Tasmota for local roller blind and dual light control.

## Quick Facts

- **Brand:** Shelly
- **Board Type:** relay-module
- **Price:** ~$21.99
- **Product Readiness:** consumer
- **CPU:** ESP32
- **CPU Architecture:** Xtensa LX6
- **CPU Cores:** 2
- **RAM:** 520KB SRAM
- **Flash:** 4MB
- **Power:** 110-240V AC
- **Operating Voltage:** 3.3V
- **Antenna:** built-in PCB antenna

## Connectivity

- **Wifi:** 802.11 b/g/n
- **Bluetooth:** BLE 4.2

## Open Source

- **Firmware:** No
- **Schematics:** No
- **PCB Layout:** No

## Certifications

CE, UL

## Compatible Firmware

Shelly OS, tasmota, esphome

## Use Cases

- home-automation
- smart-switch
- roller-blind-control
- shutter-control
- power-monitoring
- dual-light-control
- energy-monitoring

## Components

- **ESP32** (Microcontroller): Dual-core Xtensa LX6 microcontroller at 240MHz with integrated WiFi 802.11 b/g/n and Bluetooth 4.2 — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.espressif.com%2Fsites%2Fdefault%2Ffiles%2Fdocumentation%2Fesp32_datasheet_en.pdf&ref=openhardware.directory&product=shelly-plus-2pm&source=md-export)
- **2x 10A Relay** (Relay): Two independent single-pole relays each rated at 10A/240V AC for dual load switching or shutter motor control — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.shelly.com%2Fen%2Fproducts%2Fshop%2Fshelly-plus-2-pm&ref=openhardware.directory&product=shelly-plus-2pm&source=md-export)
- **ADE7953** (Sensor): High-accuracy energy metering IC providing per-channel voltage, current, active/reactive power, and energy measurement via SPI — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.analog.com%2Fmedia%2Fen%2Ftechnical-documentation%2Fdata-sheets%2Fade7953.pdf&ref=openhardware.directory&product=shelly-plus-2pm&source=md-export)
- **AC-DC Converter** (Power Supply): Integrated 110-240V AC to 3.3V DC converter powering the ESP32 and relay circuits — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.shelly.com%2Fen%2Fproducts%2Fshop%2Fshelly-plus-2-pm&ref=openhardware.directory&product=shelly-plus-2pm&source=md-export)

## Protocols

- **WiFi 802.11 b/g/n**
- **Bluetooth 4.2**
- **MQTT**
- **HTTP REST API**

## Description

# Shelly Plus 2PM

The Shelly Plus 2PM is a dual-channel smart relay with integrated power monitoring on each channel. Based on the ESP32, it's designed for controlling two independent loads or a single motorized cover/roller shutter.

## Key Features

- **ESP32** dual-core at 240MHz with WiFi and Bluetooth
- **Two independent relays** — 10A/240V each
- **Per-channel power monitoring** — voltage, current, power, energy via ADE7953
- **Cover/Shutter mode** — built-in support for roller blinds with position tracking
- **Dry contact inputs** — two switch inputs for physical buttons
- **110-240V AC** power input (neutral required)

## Tasmota Compatibility

- Flash via serial header or mgos-to-tasmota OTA
- Full dual relay control with independent switching
- Power monitoring via ADE7953 driver (auto-detected)
- **Shutter mode** via `SetOption80 1` for motorized blinds
- Supports Tasmota rules for interlock, position tracking, and automation

## Cover/Shutter Mode

The 2PM is one of the best devices for Tasmota motorized blind control:

1. Set interlock mode: relays cannot both be ON simultaneously
2. Enable shutter support: `SetOption80 1`
3. Configure open/close duration for position calibration
4. Control via MQTT, HTTP, or physical buttons
5. Reports position percentage (0-100%)

## Power Monitoring

Each channel reports independently:
- Voltage (V), Current (A), Active Power (W)
- Apparent Power (VA), Energy (kWh), Power Factor

## Where to Buy

- [Buy for $21.99](https://openhardware.directory/r?to=https%3A%2F%2Fwww.shelly.com%2Fen%2Fproducts%2Fshop%2Fshelly-plus-2-pm&ref=openhardware.directory&product=shelly-plus-2pm&source=md-export)

## Resources

- [product](https://openhardware.directory/r?to=https%3A%2F%2Fwww.shelly.com%2Fen%2Fproducts%2Fshop%2Fshelly-plus-2-pm&ref=openhardware.directory&product=shelly-plus-2pm&source=md-export)
- [wiki](https://openhardware.directory/r?to=https%3A%2F%2Ftemplates.blakadder.com%2Fshelly_plus_2PM.html&ref=openhardware.directory&product=shelly-plus-2pm&source=md-export)
- [github](https://openhardware.directory/r?to=https%3A%2F%2Fgithub.com%2Farendst%2FTasmota&ref=openhardware.directory&product=shelly-plus-2pm&source=md-export)

## Tags

`esp32`, `wifi`, `bluetooth`, `tasmota`, `esphome`, `relay`, `power-monitoring`, `shutter-control`, `home-automation`, `shelly`, `energy-meter`

## Images

![Shelly Plus 2PM](https://nbg1.your-objectstorage.com/openhardware-directory/entities/shelly-plus-2pm/2710485f0fcb.png)
![Shelly Plus 2PM](https://nbg1.your-objectstorage.com/openhardware-directory/entities/shelly-plus-2pm/73d9e125520b.png)
![Shelly Plus 2PM](https://nbg1.your-objectstorage.com/openhardware-directory/entities/shelly-plus-2pm/75bfe81c4651.jpg)
![Shelly Plus 2PM](https://nbg1.your-objectstorage.com/openhardware-directory/entities/shelly-plus-2pm/867512cc85c8.jpg)
![Shelly Plus 2PM](https://nbg1.your-objectstorage.com/openhardware-directory/entities/shelly-plus-2pm/de45ae5d42a3.jpg)
![Shelly Plus 2PM](https://nbg1.your-objectstorage.com/openhardware-directory/entities/shelly-plus-2pm/306d22f36737.jpg)

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