Building IoT Switch with ESP01 and TASMOTA Building an IoT Base Switch with ESP01 and TASMOTA In this article, we'll explore how to build a beginner-friendly IoT base switch that can handle up to 10A of AC current. This project requires only a few components and is powered by the popular ESP01 microcontroller, running on the TASMOTA operating firmware. Introduction The IoT base switch is an excellent project for those new to IoT and home automation. With its simplicity and versatility, it can be used in various applications, from controlling lighting systems to automating exhaust fans based on temperature and humidity readings. Components Required The following components are needed for this project: ESP01 microcontroller TASMOTA operating firmware Relay module (capable of handling up to 10A of AC current) Power supply (e.g., wall adapter or USB cable) Jumper wires Optional: toggle switch, DHT11 temperature and humidity sensor Circuit Assembly The circuit assembly is straightforward. Connect the ESP01 microcontroller to the relay module, and then connect the power supply to the relay module. Use jumper wires to connect the peripherals (if using) to the ESP01. Configuring TASMOTA Once the circuit is assembled, configure the TASMOTA firmware on the ESP01. This will allow you to control the relay module remotely using a web interface or mobile app. Adding Peripherals You can add two peripherals to this circuit: a toggle switch and a DHT11 temperature and humidity sensor. The toggle switch allows you to manually control the relay, while the DHT11 sensor enables automation based on temperature and humidity readings. Automation Possibilities The IoT base switch offers endless possibilities for automation. For example, you can use it to control lighting systems based on ambient light levels or automate an exhaust fan to run according to temperature and humidity readings. Conclusion In conclusion, the IoT base switch is a beginner-friendly project that showcases the versatility of ESP01 and TASMOTA. With its simple circuit assembly and endless possibilities for automation, this project is an excellent starting point for those new to IoT and home automation. IoT Switch The IoT Switch is an innovative device that enables users to control and monitor their smart home devices remotely using a smartphone app. It acts as a central hub, connecting various IoT devices and allowing for seamless integration and automation. Background The concept of the IoT Switch emerged from the growing need for a simple and user-friendly way to manage the increasing number of smart devices in homes. With the proliferation of IoT technology, users were faced with multiple apps and interfaces, leading to complexity and fragmentation. The IoT Switch was designed to address this issue by providing a single, intuitive interface to control and monitor all connected devices. Building an IoT Switch with ESP01 and TASMOTA In this article, we will explore how to build a simple IoT switch using the ESP01 module and TASMOTA firmware. This project is perfect for those who want to dip their toes into the world of Internet of Things (IoT) and home automation. Hardware Requirements ESP01 module Breadboard and jumper wires Relay module (optional) Power source (USB cable or battery) Software Requirements TASMOTA firmware ESPTOOL software (for flashing firmware) Web browser (for accessing TASMOTA web interface) Step 1: Flashing TASMOTA Firmware Download the TASMOTA firmware and use ESPTOOL to flash it onto your ESP01 module. Follow the instructions on the TASMOTA website for specific flashing instructions. Step 2: Configuring TASMOTA After flashing the firmware, connect to your ESP01 module using a web browser. Configure TASMOTA by setting up your Wi-Fi network, device name, and other settings as desired. Step 3: Connecting the Relay Module (Optional) If you're using a relay module, connect it to your ESP01 module according to the manufacturer's instructions. This will allow you to control external devices with your IoT switch. Step 4: Testing Your IoT Switch Use the TASMOTA web interface to test your IoT switch. Turn devices on and off, and verify that they respond correctly. Conclusion With these steps, you've successfully built a simple IoT switch using the ESP01 module and TASMOTA firmware. This project is just the starting point for exploring the world of IoT and home automation. Q1: What is ESP01 and what is its role in building an IoT switch? The ESP01 is a low-cost, low-power system-on-chip (SoC) microcontroller developed by Espressif Systems. It plays a crucial role in building an IoT switch as it provides the necessary processing power and Wi-Fi connectivity to control and monitor the switch remotely. Q2: What is TASMOTA and how does it relate to ESP01? TASMOTA is an open-source firmware for ESP-based devices, including the ESP01. It provides a simple and intuitive way to control and monitor IoT devices using MQTT, HTTP, or other protocols. Q3: What are the benefits of using ESP01 and TASMOTA in building an IoT switch? The benefits include low cost, ease of use, Wi-Fi connectivity, remote control and monitoring capabilities, and a large community of developers and users for support. Q4: What are the basic components required to build an IoT switch with ESP01 and TASMOTA? The basic components include the ESP01 module, a relay module, a power supply, and a breadboard or PCB for connecting the components. Q5: How do I flash TASMOTA firmware onto my ESP01 module? TASMOTA can be flashed onto the ESP01 using a USB-to-TTL serial adapter and the esptool or pyflasher tools. Detailed instructions are available on the TASMOTA website. Q6: Can I use other firmware instead of TASMOTA with my ESP01 module? Q7: How do I configure my IoT switch with TASMOTA? TASMOTA can be configured using the web-based interface or mobile app. You will need to set up your Wi-Fi network, MQTT broker, and other settings as desired. Q8: Can I integrate my IoT switch with popular home automation platforms? Q9: How do I ensure security when building an IoT switch with ESP01 and TASMOTA? Security measures include using a secure password for the web interface, enabling HTTPS encryption, setting up a firewall, and regularly updating the firmware to patch vulnerabilities. Q10: Can I customize my IoT switch with ESP01 and TASMOTA to suit specific needs? Rank Pioneers/Companies Description 1 Espressif Systems Developed the ESP01 module, a low-cost Wi-Fi enabled microcontroller. 2 Theo Arends (Tasmota) Created Tasmota, an open-source firmware for ESP-based devices. 3 ITEAD Studio Developed the Sonoff series of smart switches using ESP01 and Tasmota. 4 Allterco Robotics (Shelly) Created Shelly, a line of smart home devices using ESP01 and Tasmota. 5 Tuya Smart Developed a range of IoT products, including smart switches, using ESP01 and Tasmota. 6 ESP8266 Community A community-driven project providing support for the ESP01 module. 7 openHAB Foundation An open-source home automation platform supporting Tasmota and ESP-based devices. 8 Home Assistant A popular open-source home automation platform compatible with Tasmota and ESP-based devices. 9 Mosaic A platform providing a suite of tools for developing IoT applications, including support for ESP01 and Tasmota. 10 Blynk A platform offering a range of tools for IoT development, including support for ESP01 and Tasmota. Hardware Components ESP01 Module (ESP8266 Microcontroller) TASMOTA Compatible Relay Module (e.g. Sonoff SV) Micro USB Cable for Programming Software Requirements TASMOTA Firmware (latest version) Arduino IDE or PlatformIO for ESP8266 development Python or other programming language for scripting (optional) Circuit Connection Details ESP01 Pin TASMOTA Relay Module Pin Description VCC (3.3V) VCC Power supply for the ESP01 module GND GND Ground connection between the two modules GPIO0 (D3) SW1 ( Button 1) Connection for button press detection GPIO2 (D4) RELAY1 Connection for relay control TASMOTA Configuration Set the "Module Type" to "Generic" Configure the "Relay1" pin as an output (GPIO2) Configure the "Switch1" pin as an input (GPIO0) Save and reboot the module ESP01 Programming Details Install the Arduino IDE or PlatformIO on your computer Create a new project and select the ESP8266 board Paste the TASMOTA example code into the sketch area Modify the code to match your specific setup (e.g. pin numbers) Compile and upload the code to the ESP01 module using a micro USB cable Example Use Cases Home automation: Control lights, fans, or other appliances remotely using TASMOTA and the ESP01 module Industrial control: Use the relay module to control high-voltage devices in an industrial setting Agricultural monitoring: Monitor temperature, humidity, and light levels in a greenhouse or agricultural environment