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1. #Retero speech synthesizer online how to#
2. #Retero speech synthesizer online software#
3. #Retero speech synthesizer online code#

SMD soldering Iron (with liquid flux pen and flux cored solder),.Molex connector crimping tool (for JST connectors),.Microscope at least x3 (for SMT soldering),.Python v3.5.2 if you wish to use the automated test capability, details here.

#Retero speech synthesizer online software#

Then configure the IDE as indicated in the detailed description provided in the software sketch here, Arduino IDE configured to programme the ESP8266-07 (same as this).

#Retero speech synthesizer online code#

The device is also capable of reading local temperature and humidity so further extends the ambient instrumenting of my existing IoT infrastructure hooking into the MQTT/OpenHAB based IoT network detailed in this series on home automation (HA), building on reused code taken from here.Īt it's heart is an ESP8266-07 which is responsible for MQTT communications and controlling all system functionality (SD card access, led control, temperature/humidity sensing, volume control, speech synthesis).The device is fully configurable via text files stored on a local SD card, though calibration and network security parameters can also be programmed via remote MQTT publications. Oh, and not to mention I also have a 'bag load' of 'SP0256-AL2' ICs lying around. I much prefer the challenge of trying to figure out what on earth is being said by this Dalek sounding voice than listening to the dulcet tones of a hipster Amazon echo or Siri. Why 'old school' you may ask? Well, because I was around in the 80's when these things were first manufactured and I interfaced one to my BBC Micro so for me there's some degree of nostalgia surrounding the SP0256-AL2. It's primary purpose is add 'old school' voice synthesis to an IoT network.

#Retero speech synthesizer online how to#

The video shows the device in action (during testing).Īs mentioned above this Instructable details how to make an IoT Retro Speech Synthesis Device and is based around the General Instruments SP0256-AL2. Picture 1 shows the completed IoT speech synth device and Picture 2 shows all the component parts used in the prototype which were form factor reduced to go into the final product. This article is the 12th in a series on home automation Instructables documenting how to create and integrate an IoT Retro Speech Synthesis Device into an existing home automation system including all the necessary software functionality to enable the successful deployment within a domestic environment.