The Speech Playback PICtail Plus Daughter Board contains a fourth-order low-pass filter (LPF), speaker amplifier, speaker and 1Mbit SPI serial EEPROM for playback only applications. Speech playback is accomplished by using the integrated PWM module on the16-bit products and filtered into a voice waveform using the LPF.
Works with both PICtail™ and PICtail™ Plus connectors Compatible with all 16-bit products operating at 3.3V