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74HC157 is a high-speed multiplexer integrated circuit consisting of four 2-inputs digital multiplexers inside the chip
Hence there are 2 CPU cores that can be individually controlled or powered
Supports microphones and line-level instruments
Aluminum Heat-Sink
Dc 0 To 25v Voltage Sensor Module pcb repair tools 74HC157 is a high-speed multiplexerVoltage Detection Sensor Module 25V module is based on the principle of resistive voltage divider design, it can make the red terminal connector input voltage to 5 times smaller. Arduino analog input voltages up to 5 v. The voltage detection module input voltage not greater than 5Vx5=25V (if using 3. 3V systems, input voltage not greater than 3. 3Vx5=16. 5V). It has the limit of Arduino analog input 5 VDC only. So if you wish to measure higher
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