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Stable output 5V DC voltage
Used for I2C port zero drift / bidirectional current/power monitoring sensor module
Oscillation frequency 1
(shown in blue digital potentiometer adjustment)
ISD1820 Recording voice module AB390 copper plated Stable output 5V DC voltageISD1820 Voice Recording Recorder Module With Mic Sound Audio Loudspeaker First, the main chip: ISD1820 Second, size: 38mm * 42. 5mm Third, operating voltage: DC 3 ~ 5V Fourth, the main features of 1, it is easy to use 10 seconds of voice recording 2, high quality, natural voice restored 3, can be used as a propaganda module 4, with the loop, jog playback, single pass play function 5, available microcontroller control 6, the module can directly drive 8
