Upgrade your Mini Radio Pocket SI4735 experience! The new firmware adds EiBi transmitter data and an eco-friendly power-saving mode for longer listening sessions.
Tag: ESP32 DSP Radio
A collection of articles, guides, firmware updates, and reviews focused on ESP32-based DSP radio receivers (such as ATS Mini and SI4732/SI4735 projects). Covers hardware builds, firmware features, web interfaces, decoding capabilities, and performance improvements for compact software-defined and DSP radios
Evolution of the ATS Mini: A Technical Deep Dive into V1 through V4
The ATS Mini series represents one of the most innovative developments in pocket-sized DSP receivers for shortwave enthusiasts and ham radio operators. Built around the Silicon Labs SI4732 DSP chip and ESP32 microcontroller, these tiny radios pack remarkable functionality into an incredibly compact form factor. Let’s explore the technical evolution across all versions, from the original V1 to the latest V4. Built around the Si4732 chip and powered by an ESP32, each iteration has addressed hardware bottlenecks, from audio quality to RF interference
Getting Started with FreeDV: A Beginner’s Guide to Digital Voice on Amateur Radio
Beginner’s guide to FreeDV digital voice on HF using an SSB transceiver, computer, and sound-card interface. Learn setup, operating basics, and how open-source Codec2 delivers clear voice communication under weak-signal conditions
ATS Mini Web Interface: Features, Setup & Browser-Based Radio Control
Explore ATS Mini, the ESP32-based DSP radio, and ats mini web interface . Learn features, spectrum analyzer, memory control, and setup guide.
Mini-Radio Firmware V3 Adds RTTY/CW Decoding and EiBi Integration
Mini Radio Firmware V3 enhances ATS-Mini DSP receivers with built-in RTTY and CW decoding plus EiBi schedule integration, enabling direct shortwave text decoding and smarter station tuning without external software.
Build Your Own High-Res FM Receiver: The DIY CYD 480×320 FM Radio Project
DIY ESP32-S3 CYD 480×320 FM radio with SI4732 DSP and touchscreen tuning. High-resolution Arduino receiver project with scan and preset features.
ATS Mini V4: The Pocket-Sized SSB Receiver Just Got a Major Upgrade
The ATS Mini receiver has long been a favorite among hobbyists and Shortwave Listeners (SWLs) for packing incredible functionality into a tiny, portable package. Now, the latest iteration, the ATS Mini V4, arrives on the scene, building on the success of its predecessors (V1, V3, and V3S) with significant enhancements that cement its status as a top-tier micro-controlled radio.
Turning the NXP TEF6686 Car-Radio Chip into a Versatile Multiband Receiver]]
From Car Dash to SDR Lab: Turning the NXP TEF6686 Car-Radio Chip into a Versatile Multiband Receiver There’s a certain magic in hearing distant AM or FM stations fade in from the noise — a reminder of how much can be done with clever design and a bit of curiosity. Recently, hobbyists have discovered that […]
Pocket SI4735 Dual Core Decoder – Latest Firmware Elevates ats Mini Radio
Pocket SI4735 Dual Core Decoder firmware upgrade adds 400 kHz waterfall, improved SSB/CW/RTTY decoding, and faster scanning — transforming the ATS Mini into a powerful DSP pocket receiver.
H.J. Berndt’s Firmware for the ATS-Mini DSP Radio
A deep dive into H.J. Berndt’s alternative firmware for the ATS-Mini. Learn about the new UI, AFC improvements, and how to flash this powerful update to your DSP receiver.