Shelly Plus 2pm Firmware Jun 2026

The Shelly Plus 2PM firmware is interesting because it sits at a crossroads: with just enough openness for tinkerers, yet powerful enough to run custom open-source firmware. Whether you stay on stock + scripting or jump to ESPHome, the device becomes a building block for smart, energy-aware automation.

// Overcurrent Protection and Automated Load Shedding #define OVERCURRENT_THRESHOLD_LOAD1 10 // 10A threshold for load 1 #define OVERCURRENT_THRESHOLD_LOAD2 5 // 5A threshold for load 2 #define LOAD_SHEDDING_ORDER 2 // shed load 2 before load 1

Recent updates have added Range Extender functionality, enabling the device to act as a Wi-Fi repeater for other Shelly devices. shelly plus 2pm firmware

Here’s why the firmware for this device stands out:

If you're looking to dive deeper: check the (local REST + MQTT) or the Tasmota/ESPHome repositories for the Plus 2PM template. The Shelly Plus 2PM firmware is interesting because

This is the fastest method if you don't want to use the cloud:

// Check for overcurrent conditions if (currentLoad1 > OVERCURRENT_THRESHOLD_LOAD1) { // Switch off load 1 digitalWrite(load1Pin, LOW); } Here’s why the firmware for this device stands

The Shelly Plus 2PM firmware provides a robust and feature-rich platform for controlling and monitoring electrical devices remotely. With its Wi-Fi connectivity, 2-channel relay, and power measurement capabilities, it is an ideal solution for smart home applications. The firmware's regular updates and security features ensure a secure and reliable operation.

The is a versatile smart relay used for controlling two lighting circuits or motorized covers like roller shutters. Maintaining up-to-date firmware is critical for security, stability, and access to new features like Range Extender mode or enhanced power monitoring. Why Update Your Shelly Plus 2PM Firmware?