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toy chip voice doorbell chip development and design AC8040-OTP40 seconds OTP voice chip product Information Product Description: Semi-ring guide ring body AC8040 is a support PWM and DAC output 40 seconds of OTP voice chip, sound effects, and a total of eight I / O ports, including 2 Input, 6 simple I / O, simple I / O can be used to trigger single-stage motor and speech or flashing lights, just a 104 peripheral capacitance, low cost product solutions product advantages: 1, Otp-AC8040 built-in resistors, no peripheral components, peripheral circuits only need to be 104 capacitors. The cost of the entire program to save you 30% -50% AT @ CHIP 2,
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