Plug-and-play AC dimmer controller with UART/I2C interface. No library required — send 3-4 byte commands from Arduino, ESP32, Tasmota, ESPHome, Raspberry Pi or any MCU. Dedicated Cortex-M+ handles all timing: zero flickering, no interrupt conflicts. 18×12mm, 1.8V–5V logic, 50/60Hz auto-detect.

Module for precise AC voltage measurement with zero-cross detection.

Professional DC/AC Current Measurement Module Based on Hall Effect

Signal Conditioning Interface for SCT-013 Current Transformers

Non-Invasive Split-Core Current Transformer for Safe AC Current Measurement

Mid-power AC dimmer with real-time current sensing for heaters, fans, pumps, and motors (available in 16A or 24A versions). Built-in high-precision current sensor for accurate real-time power monitoring. Integrated temperature sensor with smart fan control for active thermal management. Smooth AC voltage regulation for fine control, not just basic on/off switching. Dynamic cooling system with intelligent fan speed management based on load temperature. Microcontroller-friendly: supports 5V/3.3V logic levels (Arduino, ESP32, STM32, and more). Direct integration with ESPHome, Tasmota, or custom automation solutions. Advanced control using Arduino libraries rbdimmerESP32 and rbpowerESP32 for energy tracking and system monitoring. Energy management features: real-time monitoring, cost tracking, scheduled operation, and current limiting. Complete electrical isolation between AC load and control electronics for safe integration.

Mid-power AC dimmer for heaters, fans, single-phase motors, and smart home automation (up to 16A or 24A depending on model). Integrated temperature sensor for real-time TRIAC temperature monitoring. Intelligent fan control system: active cooling only when necessary, saving energy and reducing noise. Smooth AC voltage regulation — fine-tuned control, not just simple switching. High-efficiency cooling with a compact heatsink and smart fan activation for extended component life. Fully compatible with Arduino, ESP32, STM32, and other microcontrollers (5V/3.3V logic supported). Ready for ESPHome (Home Assistant), Tasmota, or custom microcontroller firmware projects. Advanced Arduino/ESP32 control with the rbdimmerESP32 librariy. Supports automation scenarios like temperature-based regulation, scheduled operation, and power optimization. Full electrical isolation between high-voltage AC and microcontroller circuits for safe integration.

High-power AC dimmer with real-time current sensing for heaters, fans, pumps, and motors. Smooth AC voltage regulation for fine control, not just basic on/off switching. Built-in high-precision current sensor for accurate real-time power monitoring. Energy management features: real-time monitoring, cost tracking, scheduled operation, and current limiting. Integrated temperature sensor with smart fan control for active thermal management. Dynamic cooling system with intelligent fan speed management based on load temperature. Microcontroller-friendly: supports 5V/3.3V logic levels (Arduino, ESP32, STM32, and more). Direct integration with ESPHome, Tasmota, or custom automation solutions. Advanced control using Arduino libraries rbdimmerESP32 and rbpowerESP32 for energy tracking and system monitoring. Complete electrical isolation between AC load and control electronics for safe integration.

AC Dimmer module controls AC voltage up to 8A per channel, making it perfect for DIY projects at home or in the garage. It’s ideal for smart home systems—whether you’re dimming lights, running a fan, or powering a pump. Compatible with 5V/3.3V logic, it easily connects to Arduino, ESP32, or similar microcontrollers using the rbdimmerESP32.h lib, ESPHome component, TASMOTA

AC Dimmer module controls AC voltage up to 8A, making it perfect for DIY projects at home or in the garage. It’s ideal for smart home systems—whether you’re dimming lights, running a fan, or powering a pump. Compatible with 5V/3.3V logic, it easily connects to Arduino, ESP32, or similar microcontrollers using the rbdimmerESP32.h lib, ESPHome component, TASMOTA

High-power dimmer for heaters, single-phase motors, pumps, and ventilation systems (up to 40A ). Smooth AC voltage regulation for precise control, not just on/off switching. Efficient cooling system with a large heatsink and active fan for heat dissipation. Compatible with Arduino, ESP32, and other microcontrollers (supports 5V/3.3V logic ). Integrations: Works with ESPHome (Home Assistant), Tasmota , and custom automation projects. Arduino control via rbdimmerESP32.h library for easy implementation. Energy-saving features – schedule operations and optimize power consumption. Electrical isolation for safe microcontroller operation.

AC Dimmer module controls AC voltage up to 10A per channel, making it perfect for DIY projects at home or in the garage. It’s ideal for smart home systems—whether you’re dimming lights, running a fan, or powering a pump. Compatible with 5V/3.3V logic, it easily connects to Arduino, ESP32, or similar microcontrollers using the rbdimmerESP32.h lib, ESPHome component, TASMOTA

AC dimmer for medium-power loads such as heaters, motors, pumps, and ventilation systems ( 16A / 24A versions available ). Smooth AC voltage regulation for precise control, not just on/off switching. Effective cooling system with a heatsink (active cooling fan on 24A version). Compatible with Arduino, ESP32, and other microcontrollers (supports 5V/3.3V logic ). Integrations: Works with ESPHome (Home Assistant), Tasmota , and custom automation projects. Arduino control via rbdimmerESP32.h library for easy implementation. Energy-saving features – schedule operations and optimize power consumption. Electrical isolation for safe microcontroller operation.

AC Dimmer module controls AC voltage up to 4A, making it perfect for DIY projects at home or in the garage. It’s ideal for smart home systems—whether you’re dimming lights, running a fan, or powering a pump. Compatible with 5V/3.3V logic, it easily connects to Arduino, ESP32, or similar microcontrollers using the rbdimmerESP32.h lib, ESPHome component, TASMOTA

AC Dimmer module controls AC voltage up to 8A, making it perfect for DIY projects at home or in the garage. It’s ideal for smart home systems—whether you’re dimming lights, running a fan, or powering a pump. Compatible with 5V/3.3V logic, it easily connects to Arduino, ESP32, or similar microcontrollers using the R rbdimmerESP32.h lib, ESPHome component, TASMOTA

AC Dimmer module controls AC voltage up to 8A, making it perfect for DIY projects at home or in the garage. It’s ideal for smart home systems—whether you’re dimming lights, running a fan, or powering a pump. Compatible with 5V/3.3V logic, it easily connects to Arduino, ESP32, or similar microcontrollers using the rbdimmerESP32.h lib, ESPHome component, TASMOTA