This diagram (RIGHT) shows a typical application, a QRP WSPR transmitter.
In this example, the "Ultimate Arduino shield" is plugged onto the Arduino Uno.Īll green-shaded modules are QRP Labs kits. Si5351A Synthesiser module and LPF kits are plugged into the Arduino shield. A GPS receiver module such as the QLG1 is connected to provide precise timing, and location information for WSPR.
Arduino simplesynth skecth code#
This Arduino shield kit is intended for constructors who wish to experiment with writing their own code to control QRP Labs kits and modules. QRP Labs does not provide any complete working sketch for any particular project requirement. Some example Arduino sketches are provided below. If you have written a sketch for Arduino then please email us with details, and it can be added to this page! Many of these have been submitted by constructors. People requiring a complete ready-made solution for WSPR or other modes should consider purchasing the Ultimate3S kit instead. #ARDUINO SIMPLESYNTH SKETCH DOWNLOAD#Īssembly instructionsĬLICK HERE to download the assembly instructions for the kit. The photographs below (click for larger size gallery) show: The reason for this, is to provide space to optionally accomodate the Relay-switched LPF kit if required.ĬLICK HERE for French Translation of the assembly instructions, by Gilles F1BFU - many thanks Gilles! Kit photographs Note that this Adruino shield kit PCB is slightly larger than a standard Arduino Uno PCB. Right: Kit contents (note, FT37-43 toroid is included in the kit but missing in the photo!) Middle: Arduino shield kit bag as delivered Left: top row, left to right: LPF kit, OCXO/Si5351A kit, Si5351A Synth kit, AD9850 DDS module.
The following photographs show an Arduino Uno, the Arduino shield kit, 30m LPF kit, and the three different synthesiser kits plugged in: from left to right: Si5351A Synth kit, AD9850 DDS module, OCXO/Si5351A Synth kit.ĬLICK HERE for Demo CW/QRSS/DFCW/FSKCW beacon transmitter sketch, designed to be used with an Si5351A module (standard Synth kit or OCXO version) and LPF kit appropriate to the band being used.
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