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AURSINC MMDVM Hotspot: Black Screen, Solid / Flashing Red LED, Fails to Initialize — Troubleshooting
AURSINC MMDVM Hotspot: Black Screen, Solid / Flashing Red LED, Fails to Initialize — Troubleshooting
Symptom: Red LED turns on after power-up, no screen display and the system cannot boot. Causes sorted from highest to lowest probability: 1. Power Supply Issue (Check first)Insufficient output current:... Read more...
AURSINC MMDVM Hotspot Frequently Asked Questions
AURSINC MMDVM Hotspot Frequently Asked Questions
Hotspot not working Q: Hotspot not working — OLED/display not responding, hotspot stuck initializing, red status light problems, Wi-Fi network not appearing, problems continuing after changing/reflashing SD card.A: Please download... Read more...
Fix MMDVM Hotspot "Modem Locked" Error: Complete Firmware Update Guide (Simplex & Duplex)
Fix MMDVM Hotspot "Modem Locked" Error: Complete Firmware Update Guide (Simplex & Duplex)
This guide covers simplex and both duplex board versions, with step-by-step commands to get your firmware updated successfully. Why the "Modem Locked" Error Happens Before we start, here is the... Read more...
MMDVM Duplex Hotspot Troubleshooting: Fix Duplex Failure, High BER, Modem Lock & OLED Issues
MMDVM Duplex Hotspot Troubleshooting: Fix Duplex Failure, High BER, Modem Lock & OLED Issues
If you’ve upgraded from a simplex MMDVM hotspot to a duplex board, you may run into configuration issues that don’t appear on simplex setups. Based on real support cases for... Read more...
Can’t Find STM32-DVM / mmdvm_HS-Raspberry-PiHat (GPIO) in Latest WPSD? Official Compatibility List & Setup Guide
Can’t Find STM32-DVM / mmdvm_HS-Raspberry-PiHat (GPIO) in Latest WPSD? Official Compatibility List & Setup Guide
Many amateur radio operators using MMDVM hotspots have reported the same issue recently: after upgrading to the latest WPSD release, the familiar modem option STM32-DVM / mmdvm_HS-Raspberry-PiHat (GPIO) is no... Read more...
Troubleshooting Guide: Fix MMDVM Hotspot OLED, Boot, and WiFi Connection Issues
Troubleshooting Guide: Fix MMDVM Hotspot OLED, Boot, and WiFi Connection Issues
When using your MMDVM hotspot device, you may occasionally encounter issues such as a non-functional OLED screen, boot failures, or missing WiFi networks. Many users have reported similar problems with... Read more...
TINYSA ULTRA+ ZS407: The Compact Spectrum Analyzer That Redefines Portability & Performance
TINYSA ULTRA+ ZS407: The Compact Spectrum Analyzer That Redefines Portability & Performance
If you’re an amateur radio operator, electronics hobbyist, or field technician, you know the frustration of choosing between a spectrum analyzer that’s portable and one that’s powerful.  The TINYSA ULTRA+... Read more...
AURSINC CUSTOMER SUPPORT: Ensure Valid Email Format for Timely Support
AURSINC CUSTOMER SUPPORT: Ensure Valid Email Format for Timely Support
Recently, some customers have contacted us regarding product issues, and we would like to draw your attention to the email format. Upon receiving your inquiry, we will reply via email... Read more...
How to Maximize Performance with Your AURSINC NanoVNA Antenna Analyzer
How to Maximize Performance with Your AURSINC NanoVNA Antenna Analyzer
Accurate antenna analysis begins with proper calibration and precise frequency settings. Without these, your measurements may lead to unreliable conclusions. For instance, calibration errors can result in a reprojection root... Read more...
Unveiling the TinySA Ultra+ ZS406 Spectrum Analyzer: Your Ideal Companion for Precise RF Testing
Unveiling the TinySA Ultra+ ZS406 Spectrum Analyzer: Your Ideal Companion for Precise RF Testing
The TinySA Ultra+ ZS406 Spectrum Analyzer is a portable, high - performance tool designed for professionals and enthusiasts alike. With a frequency range of 100kHz to 5.4GHz, it offers precise signal analysis... Read more...