Saturday, April 06, 2019
LamdbaSpeak 3 - Audio Playback over CPC Speaker & Serial Interface
Published on Apr 6, 2019 Michael Wessel
"LambdaSpeak 3 audio output can now also be sent back into the CPC to be played over the CPC's internal speaker, using mono SND pin of the expansion port. Hence, the final version of LambdaSpeak 3 will have 2 more DIP switches (one for left audio channel, one for right audio channel) that allow turning audio loop back on and off.
Also, the new serial mode seems to be working! LambdaSpeak 3 will have a new "serial" mode and 4 PIN headers (VCC, GND, TX, RX). In this mode, the hardware USART0 of the ATmega 644 will be used.
So far, there is a little test that initializes the USART, and then communicates with the Emic 2 speech synthesizer board on the little breadboard, connected over the 4 yellow wires (VCC, GND, TX, RX). The Emic 2 is connected to an amplifier. It uses a simple serial protocol (plain ASCII) which is being sent over the USART / serial connection. Seems to work!"
See more here
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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