二氧化碳传感器MG811应用电路原理图

112233445566DDCCBBAATitleNumberRevisionSizeBDate:2004-6-25SheetofFile:E:\\..\Sheet1.SchDrawnBy:(RESET)PC629PD0(RXD)30PD1(TXD)31PD2(INT0)32PD3(INT1)1PD4(XCK/T0)2VCC6GND3PB6(XTAL1/TOSC1)7PB7(XTAL2/TOSC2)8PD5(T1)9PD6(AIN0)10PD7(AIN1)11PB0(ICP)12PB1(OC1A)13PB2(SS/OC1B)14PB3(MOSI/OC2)15PB4(MISO)16PB5(SCK)17AVCC18AREF20GND21(ADC0)PC023(ADC1)PC124(ADC2)PC225(ADC3)PC326(ADC4/SDA)PC427(ADC5/SCL)PC528ADC619ADC722VCC4GND5ATMEGA8_TQFP32U?Vin1GND2Vout37805U?Vin1GND2Vout3LM7806U?CAPC?10KR19312A10KR20+6VRPsenserCA314010KRT9~12v6V5VPortPort100upC?5VV11KR3C3104C41KR1+6V4N25-A104901310KR?5VSW-PBS?CRYSTALY?CAPC?CAPC?100R?LEDD?5V100ufC8162738495DB9J?R1IN13R2IN8T1IN11T2IN10R1OUT12R2OUT9T1OUT14T2OUT7C1+1C1-3C2+4C2-5MAX232ACPE(16)U?1ufC?1ufC?1ufC?1ufC?1ufC?62165V15MG811CO2MODEL123487PortPortCAPC?22KR1920uHInductorL1