Portable Internet Radio with Touchscreen/Rotary Encoder, Bluetooth & Web Control

Wi-Fi Internet Radio with Touchscreen/ Rotary Encoder, Web Control and Bluetooth Support

Enjoy thousands of Internet radio stations from around the world with this compact, battery-powered Internet Radio built around the ESP32-S3 platform.

Simply connect it to Wi-Fi and start listening. Browse stations directly from the touchscreen, or manage your radio remotely from your phone, tablet, or computer using the built-in web control system.

Designed for radio enthusiasts and technology lovers, this fully assembled Internet Radio combines modern streaming technology, intuitive controls, and a unique compact design.

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✨ Key Features

🎧 Touchscreen Interface
Easily browse stations, select channels, adjust volume, and control playback directly from the built-in color touchscreen.

🌍 Thousands of Internet Radio Stations
Access thousands of online radio stations from around the world. Save and manage up to 1000 favorite stations.

🔎 Built-In Station Search
Quickly find and add stations without manually entering stream URLs.

📱 Web-Based Radio Control
Control your radio and manage your station list from any phone, tablet, or computer connected to the same Wi-Fi network.

🔋 Portable Battery Operation
Use the radio anywhere with a rechargeable battery, or power it directly through USB-C.

🔊 High-Quality Digital Audio
Includes a digital I2S audio amplifier and a 5W speaker for clear and powerful sound.

🎵 Optional Bluetooth Support
The Bluetooth version includes a transmitter for connecting wireless headphones, earbuds, or Bluetooth speakers.

🎛 Optional Rotary Encoder Control
An optional rotary encoder provides simple physical control for everyday use:

• Turn the knob to adjust volume
• Press/rotate to switch between stations
• Long press allow navigating the setting menue

🖥 Compact Custom Enclosure
A custom 3D-printed enclosure provides a unique appearance while keeping the radio compact and portable.

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📦 Available Versions

Fully Assembled Version
Ready to use straight out of the box.

Simply connect power, connect to Wi-Fi, and start listening.

No assembly, soldering, or programming required.

Bluetooth Version
Includes all features of the standard version plus Bluetooth transmission for wireless headphones, earbuds, and speakers.

Rotary Encoder Version
Includes an additional physical control knob for quick station switching and volume adjustment only.

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🌐 Language Support for Station Names

The firmware supports station names in:

• English
• Greek
• Latin-based languages (Polish, French, German, Spanish, and many more)
• Cyrillic-based languages
• Hebrew
• Arabic

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⚙️ Technical Specifications

• ESP32-S3 Wi-Fi microcontroller
• Color touchscreen display
• Supports Internet radio streams up to 320 kbps
• Supported formats: MP3, AAC and OGG/Vorbis.
• USB-C power input
• Battery compatible
• Stores up to 1000 favorite stations
• Requires a stable Wi-Fi connection
• L 10.8cm , W 2.7cm, H 6cm

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Try the Live Web Demo

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⚠️ Important Notes

• 18650 Li-ion battery not included. Due to shipping restrictions, the battery is not supplied with the radio.
• The MicroMaker is designed to use a 3.7V 18650 Li-ion rechargeable battery. Use a standard, unprotected, flat-top 18650 cell. Do not use protected batteries or batteries with a raised/button-top (+) terminal as they will not fit inside the enclosure. Recommended battery Samsung INR18650-35E 3450mAh 8A.
• The radio can also operate directly from the USB-C power connection without a battery installed.
• Do not use a fast charger or USB-C Power Delivery (PD) charger. Use only a standard 5V USB-C mobile phone power charger.
• If you choose to use a battery, please use a high-quality, compatible 18650 Li-ion cell from a reputable supplier and follow the battery manufacturer’s safety instructions.
• Some streaming services using HLS/DASH formats may not be supported.

Demo Videos

Demo videos showing the Internet Radio in operation can be found on The MicroMaker YouTube channel:

YouTube