espSignalGenerator

A signal generator using AD9833 and esp8266

Features

• Signal generation from 0.1Hz to 5MHz
• Sine, Triangle and square waves
• Amplitude set by digital potentiometer (0-127) and switched attenuators (0, -20dB, -26dB, -40dB)
• Can playback files holding sequence of frequencies and amplitudes
• Web based GUI allowing control from PC, phone, tablet
• Wifi Management to allow easy initial router set up
• OTA software update

Build and use

• Install MD_AD9833 library
• Install BaseSupport library (https://github.com/roberttidey/BaseSupport)
• Needs WifiManager library
• Edit passwords in BaseConfig.h
• Compile and upload in Arduino environment
• Set up wifi network management by connecting to AP and browsing to 192.168.4.1
• upload basic set of files from data folder using STA ip/upload
• further uploads can then be done using ip/edit
• normal interface is at ip/