Nguyenvanbientbd47@gmail.com Dau vao tu cam bien SO DO CHI TIET MACH DO TOC DO DONG CO Duong tin hieu xoa dem Gnd Trg Out Rst Ctl Thr Dis Vcc 555 +V V2 5V C2 0.1uf + C1 10uF VR 100k 40% I I O 74LS00 I I O 74LS00 I I O 74LS02 I I O 74LS02 MS1 MS2 MR1 MR2 CP0 CP1 Q3 Q2 Q1 Q0 74LS90 I I O 74LS00 I I O 74LS00 abcdefg. V+ DISP1 MS1 MS2 MR1 MR2 CP0 CP1 Q3 Q2 Q1 Q0 74LS90 A3 A2 A1 A0 test RBI g f e d c b a RBO 74LS47 A3 A2 A1 A0 test RBI g f e d c b a RBO 74LS47 MS1 MS2 MR1 MR2 CP0 CP1 Q3 Q2 Q1 Q0 74LS90 abcdefg. V+ DISP2 abcdefg. V+ DISP3 MS1 MS2 MR1 MR2 CP0 CP1 Q3 Q2 Q1 Q0 74LS90 A3 A2 A1 A0 test RBI g f e d c b a RBO 74LS47 A3 A2 A1 A0 test RBI g f e d c b a RBO 74LS47 MS1 MS2 MR1 MR2 CP0 CP1 Q3 Q2 Q1 Q0 74LS90 abcdefg. V+ DISP4 abcdefg. V+ DISP5 MS1 MS2 MR1 MR2 CP0 CP1 Q3 Q2 Q1 Q0 74LS90 A3 A2 A1 A0 test RBI g f e d c b a RBO 74LS47 +V V1 5V R 47k