[FIDOCAD]
FJC B 0.5
RV 25 65 45 85 0
TY 30 65 4 3 0 0 0 * PIR
TY 20 75 4 3 0 0 0 * HC-SR501
LI 45 75 60 75 0
TY 50 65 4 3 0 0 0 * Vout= 0-3.3 V
TY 85 5 4 3 0 0 0 * Val 4.5 - 20 V
MC 30 90 0 0 ey_libraries.refpnt4
LI 35 85 35 90 0
LI 35 65 35 15 0
MC 65 75 0 0 ey_libraries.pasres0
MC 75 80 0 0 ey_libraries.pascap1
MC 70 90 0 0 ey_libraries.refpnt4
MC 90 75 0 0 ey_libraries.trnbjt1
MC 100 80 0 0 ey_libraries.trnbjt1
MC 105 90 1 0 ey_libraries.pasres0
LI 75 75 85 75 0
SA 75 75 0
MC 105 65 1 0 ey_libraries.didled0
MC 105 50 1 0 ey_libraries.didled0
LI 20 15 155 15 0
SA 105 15 0
SA 35 15 0
MC 100 100 0 0 ey_libraries.refpnt4
LI 95 70 105 70 0
SA 105 70 0
TY 110 90 4 3 0 0 0 * R
LI 100 50 100 65 0
FCJ 2 0 3 2 0 0
TY 85 55 4 3 0 0 0 * ILed
MC 105 20 1 0 ey_libraries.didled0
LI 105 30 105 45 0
FCJ 0 0 3 2 1 0
TY 115 65 4 3 0 0 0 * Led_1
TY 115 50 4 3 0 0 0 * Led_2
TY 115 20 4 3 0 0 0 * Led_n
TY 42 110 4 3 0 0 0 * R=
TY 52 105 4 3 0 0 0 *  3.3 - 2*Vbe
TY 62 115 4 3 0 0 0 * ILed
LI 53 113 89 113 0
TY 44 125 4 3 0 0 0 * Vbe = 0.7 V
TY 104 127 4 3 0 0 0 * VLed= 3.4 V
TY 107 135 4 3 0 0 0 * Val < 20 V
TY 18 135 4 3 0 0 0 * (3.3 - 2*Vbe) + 1 + n*Led <