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This module is based on the TDA7266 dual bridge audio amplifier chip, which features an output power of up to 7 W for each channel. It is suitable for use with 5 W to 15 W speakers. Specifications
- On-board TDA7266 stereo audio amplifier chip
- Output: dual-channel 7W 7W
- On-board 5.08 mm terminal blocks for the left and right audio channels
- On-board potentiometer for volume adjustment
- DC power jack
- Operating Voltage Range: 3 V to 18 V
- Board Size: 45 x 33 mm
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General Description The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperaturecompensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The DS3231 is available in commercial and industrial temperature ranges, and is offered in a 16-pin, 300-mil SMD package.