
6
construction
T1 : BC547B
T2 : BC337
8. Transistors
Make sure that transistor T2 is
bent towards the PCB.
VR1 : UA78L05
9. Voltage regulator
LD2 : 3mm (Yellow)
10. LED. Watch the polarity!
D1 : 1N4007
12. Diode. Watch the polarity!
R1 : 100 (1 - 0 - 1 - B - 9)
R6 : 22 (2 - 2 - 0 - B - 9)
13. Vertical resistor (metal film)
LD4 : 3mm infrared diode (blue)
11. Infrared diode.
Watch the polarity!
Spacer
NOK
Spacer
OK
6
construction
T1 : BC547B
T2 : BC337
8. Transistors
Make sure that transistor T2 is
bent towards the PCB.
VR1 : UA78L05
9. Voltage regulator
LD2 : 3mm (Yellow)
10. LED. Watch the polarity!
D1 : 1N4007
12. Diode. Watch the polarity!
R1 : 100 (1 - 0 - 1 - B - 9)
R6 : 22 (2 - 2 - 0 - B - 9)
13. Vertical resistor (metal film)
LD4 : 3mm infrared diode (blue)
11. Infrared diode.
Watch the polarity!
Spacer
NOK
Spacer
OK
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