Welcome to Critter-Devices: Where Gadgets Come to Life!
Firefly is the ultimate device for makers of all levels — a handy development board based on the popular ESP8266 microcontroller using the Wemos D1 Mini board. The Firefly firmware allows for advanced customization and offers a web interface to set up different configurations, and Firefly sparks creativity and innovation in every project.
Hardware
- 🌟 128x64 OLED display for clear status readouts
- 🔧 Screw terminals for easy sensor and actuator connections
- ⚡ Two relays with output terminals for device control
- 📡 IR receiver and buzzer for added functionality
- 🖥️ Built around the Wemos D1 Mini (ESP8266)
- 🧱 Compact PCB shield designed to stack directly onto the Wemos D1 Mini with no soldering required
critterOS
- 🖥️ Built-in web dashboard: create panels, calibrate sensors, view live values
- 🤖 Rule-based automation, e.g. IF temperature > 25 THEN heater = 0
- 🏠 MQTT with Home Assistant auto-discovery
- 📝 Sensor data logging to file
- 📶 Board-to-board panels over UDP — remote boards behave like local ones
🪄 For Beginners: Your Playful Pal for Smart Living
Firefly is the easy entry point into home automation. Built on the Wemos Mini with a 128x64 OLED, screw terminals, two relays, an IR receiver and buzzer — all controlled through a user-friendly web GUI where you create panels and automate your daily routine without coding.
🛠️ For Advanced Users: Your Gateway to Innovative Programming
Firefly is an ESP8266 development board with I2C and OneWire screw terminals, one analog input and four digital I/O pins. Load custom firmware, experiment with the OLED, and push what's possible — ideal for mechatronics projects and personal gadgets.
🛠️ For Students and DIY Enthusiasts: Your Ready-to-Use PCBs and Kits
Ready-to-use PCB shields for the Wemos Mini ESP8266 make it easy to build home-automation and IoT projects. Our kits let students expand their board's capabilities while gaining practical electronics skills — learn while building.
