Power Overload Monitor
Monitor Power Lines for Excessive Current

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Materials
Component list
Component List
Resistors
(SMD 1206 if not otherwise noted)
R1 = 100 Ω
R2 = 4k7
R3 = 18 k
R4 = 1 M
R5 = 47 k
R6, R7 = 22 k
R8 = 1k2
R9 = 180 Ω
R10 = Varistor 10D391K
R11 = 22 k trimpot
R12, R13, R15, = 10 k
R14 = 2k2
R16 = 470 Ω
Capacitors
(SMD 1206 if not otherwise noted)
C1, C8 = 100 µ / 16 V, electrolytic, ø 5 mm
C2 = 330 n
C3 = 47 µ / 16 V, electrolytic, ø 5 mm
C4 = 1 n
C5 = 10 µ / 16 V, electrolytic, ø 3.5 mm
C6, C7 = 100 n
Semiconductors
D1 = 1N4007, DO213AB
D2…D6 = 1N4148, minimelf
T1 = BC337, SOT23
LED1…LED4 = LED, green, 3 mm
LED5 = LED, yellow, 3 mm
LED6 = LED, red, 3 mm
IC1 = LM358, SO8
IC2 = 7805DT, TO252 (DPAK)
IC3 = KA2284, SIP9
Miscellaneous
BUZ1 = Buzzer, Diameter 1/2″
L1 = Current transformer Talema AC1020
X1, X2 = 2 poles screw terminals
F1 = Fuse 500 mA
PSU = PCB Power Supply HLK-PM12
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