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45-Seconds Voice Recording Circuit with HK828

Electronics Projects, 45-Seconds Voice Recording Circuit with HK828 article "audio control circuits, " tagged with


Voice Recording Circuit HK828 and LM358 based on the supply voltage 9-14 volt DC Microphone with 45 seconds voice recording can be done recording the sound level rises to the outlet to an amplifier can connect a record eight separate section hiding the corresponding button with the records can be accessed

Voice Recording Circuit

45 Seconds Voice Recording Circuit with HK828  hk828 ses diagram

45 Seconds Voice Recording Circuit with HK828  hk828 voice recording playback

Single-chip, high-quality voice recording and playback solution User-friendly, easy-to-use operation – No external ICs required – Programming & development systems not required – Minimum external components -Level-activated recording & edge-activated playback Non-volatile Flash memory technology switches – No battery backup required

Low power consumption User-Selectable messaging options – Operating current: 25 mA typical – Random access of multiple fixed-duration messages – Standby current: 1µA typical – Sequential access of multiple variable-duration messages -Automatic power-down Chip Enable pin for simple message expansion

Source: http://www.siliconchip.com.au/cms/A_109626/article.html

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