Remote GPSDO – Hardware
GPSDO = GPS Disciplined Oscillator GPSDO Web User Interface This acronym denotes a quartz oscillator whose frequency is measured using a very precise clock based on GPS signals and which…
DIY your GPS tracker
It is easy today to build a GPS tracking system for mobile applications that can be adapted to your needs. In fact, it is more accurate to speak of a…
Transmit over QO-100 satellite with a Smartphone
With version 2.1 of "Remote SDR", it is possible to use your smartphone to monitor traffic on QO-100 and even transmit. The principle of "Remote SDR" is to control a…
Remote SDR V2 – Software Architecture
Remote SDR V2 is a hardware and software set to create a radio transmitter / receiver based on SDR (Software Design Radio) that can be remotely controlled by the web.…
Orange PI Zero 2 H616 GPIO
The Orange PI Zero 2 is one of the many Orange Pi boards offering interesting features: 64-bit ARM H616 4-core processor1GB ethernetWIFI + BT512MB or 1GB RAMUSB 2Micro HDMIOS: DEBIAN.…
Orange Pi Zero 2 Setup – Debian Buster
Orange Pi Zero 2 The Orange PI Zero 2 is a powerful development board offering many possibilities with its 64-bit 4-core processor (H6), 1GB, ethernet, WIFI, Bluetooth, HDMI, USB for…
Remote SDR v2 – Orange Pi One Plus or Orange Pi Zero 2 image installation
Orange Pi One Plus Below is the detailed procedure to install Remote SDR in version 2 on an Orange Pi One Plus or an Orange Pi Zero 2. The latest…
Remote SDR V2 – Manual installation
Raspberry Pi 4 B Orange Pi One Plus Below is the detailed procedure to install Remote SDR version 2 on a Raspberry Pi 4 B (2GB), an Orange Pi One…
Remote SDR V2
Obsolete. Go here now. "Remote SDR" is a web application allowing to remotely control an amateur radio transceiver between 1 MHz and 6 GHZ. Its first application was the duplex…
Armbian – Remote access to the GPIO in non-root
With Armbian it is necessary to be 'root' to be able to access the GPIO. Here we will see how to solve this difficulty on an Orange Pi One Plus…
SDR Pluto Frequency Update
In this post we will discuss the issue of changing the frequency or gain of the Adalm-Pluto SDR in real time in a GNU Radio application. Indeed, the Pluto is…
Launch GNU Radio script at boot
GNU Radio Auto Start With a GNU Radio application (3.7) running on a Raspberry PI or an Orange PI, it may be interesting to run the Python script generated by…
NBFM Transceiver with Pluto SDR and GNU Radio
The first step consists of installing GNU Radio and the interface to Adalm-Pluto or PlutoSDR on an Orange Pi One Plus running under Armbian. Then as an example, we will…
GNU-RADIO Audio to VLC
For tests with GNU-Radio it may be interesting to have an audio output streamed to a PC or a MAC on the network. The solution proposed here is easy to…
Self Signed SSL Certificate on Intranet
Switching to https to encrypt data between a server and a client may be required to benefit from features such as accessing your PC's microphone. Self-signing is easier to implement…
Frequency extension of Pluto SDR
The 2021 version of the PlutoSDR uses the AD9363 chip which is limited to a frequency range of 325 to 3800 MHz and a bandwidth of 20 MHz. However, the…
SDR Adalm-Pluto setup
In the range of SDRs found on the market, Adalm-Pluto is an interesting solution which is capable of working in Full-Duplex (simultaneous reception and transmission). Please note that the frequency…
Web server on Orange PI
Apache - PHP - MariaDB - phpMyAdmin The power of nano-computers and the availability of optical fiber at home allow the establishment of a personal web server for private use,…
SonOff Mini – ESP Easy
Domoticz - IFTTT - Google Home SonOff mini The SonOff mini is a very useful module in home automation. It has many attractive features like: a reduced size 42 *…
Armbian – Chromium – Kiosk
To display a web page in full screen when starting up an Orange Pi, it is possible to launch the Chromium browser in kiosk mode. In kiosk mode, it is…
GPIO on Orange PI PC2 H5
The Orange PI PC2 H5 is one of the many Orange Pi boards offering interesting features: 64-bit 4-core ARM H5 processor1GB ethernet3 USB 2HDMIAudio JackCamera interfaceMicrophoneInfra redOS: ARMBIAN. See article…
Remote power supply control with SOnOff
If you need to power or cut the mains remotely on a transmitter or a relay for example, home automation solutions exist. What I am offering here is a solution…
Apache on Orange Pi Zero
Installing the Apache 2 web server Apache2 is one of the world's most widely used, robust and reliable web server applications. It runs perfectly on SBCs (Single-Board Computer) like the…
Temperature ( DS18B20) and Orange Pi Zero
TEMPERATURE MEASUREMENT OF A LIQUID Temperature measurement is possible with many sensors. Here we will use the DS18B20 sensor which is available in a waterproof version to measure for example…
Luminosity and Orange Pi Zéro
Analog Brightness Sensor The LM393, purchased from AliExpress, is a brightness sensor that can be connected to nano computers such as the Orange PI. It has a digital output providing…
BMP180 and Orange Pi Zero
BAROMETER AND TEMPERATURE Barometric pressure measurement is possible with the BMP180 or GY-68 sensor which also provides the ambient temperature via an I2c bus. Connection Connect as shown in the…
DHT22 and Orange Pi Zero
The DHT22 is a temperature and humidity sensor that can be connected to nano computers such as the Orange PI. Connection Connect the DHT22 to the + 3.3v of the…
Nextion and Orange PI Zero
Nextion 2.4" basic Nextion displays offer the possibility of having an interactive screen that can be easily controlled by a serial link. Here we connect it to an orange pi…