This shows how to use a HC4046 PLL/VCO as an adjustable clock for an SP0256A-AL2 speech chip being driven from an Arduino.
Full details here: <a href="https://diyelectromusic.com/2025/09/06/arduino-and-sp0256a-al2-part-4/" target="_blank" rel="noopener noreferrer">https://diyelectromusic.com/2025/09/06/arduino-and-sp0256a-al2-part-4/</a>
Kevin

This shows how to use a HC4046 PLL/VCO as an adjustable clock for an SP0256A-AL2 speech chip being driven from an Arduino. Full details here: https://diyelectromusic.com/2025/09/06/arduino-and-sp0256a-al2-part-4/ Kevin

This shows how to use a HC4046 PLL/VCO as an adjustable clock for an SP0256A-AL2 speech chip being driven from an Arduino.
Full details here: <a href="https://diyelectromusic.com/2025/09/06/arduino-and-sp0256a-al2-part-4/" rel="noopener noreferrer">https://diyelectromusic.com/2025/09/06/arduino-and-sp0256a-al2-part-4/</a>
Kevin

Arduino, SP0256A-AL2 and 4046 PLL Clock

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Arduino, SP0256A-AL2 and 4046 PLL Clock

Arduino, SP0256A-AL2 and 4046 PLL Clock