protues常用器件 7407驱动门1N914二极管74Ls00与非门74LS04非门74LS08与门74LS390TTL双十进制计数器7SEG4针BCD-LED输出从0-9对应于4根线的BCD码7SEG3-8译码器电路BCD-7SEG转换电路ALTERNATOR交流发电机AMMETER-MILLImA安培计AND与门BATTERY电池/电池组BUS总线CAP... 2023-06-13 Protues常用器件
