background image

 
 
 
 
 
 

 



R1  :  4M7 

(4 - 7 - 5 - B) 



R2  :  4M7 

(4 - 7 - 5 - B) 



R3  :  8K2 

(8 - 2 - 2 - B) 



R4  :  47K 

(4 - 7 - 3 - B) 



R5  :  470 

(4 - 7 - 1 - B) 



R6  :  3K3 

(3 - 3 - 2 - B) 



R7  :  330 

(3 - 3 - 1 - B) 



R8  :  330 

(3 - 3 - 1 - B) 



R9  :  27K 

(2 - 7 - 3 - B) 



R10  :  330K  (3 - 3 - 4 - B) 



R11  :  1M5 

(1 - 5 - 5 - B) 



R12  : 4M7 

(4 - 7 - 5 - B) 



R13  :  1K 

(1 - 0 - 2 -B) 



R14 : 10K 

(1 - 0 -3 - B) 

1. Resistors

 

R...

Construction 

 
 
 
 
 

 

 



C1 : 

10nF (103) 



C2 : 

10nF (103) 



C3 : 

10nF (103) 

c...

3. Capacitors

 

 

 

 



ZD1 : 

3V9

 

2. Zenerdiode. Watch the 
polarity !

 

CATHODE

ZD...

 

 

 

 

 

 

 

 

 

 



C4 : 

10µF

 



C5 : 

33µF

 

4. Electrolytic Capacitors. 
Watch the polarity !

 

C...

 

 

 



T1 : 

BC547 



T2 : 

BC547 



T3 : 

BC547 



T4 : 

BC547 



T5 : 

BC557 

5. Transistors

 

T1

Summary of Contents for K7101

Page 1: ...K7101 H7101IP 1 With this device wires can be very easily checked for mains voltage MAINS VOLTAGE DETECTOR...

Page 2: ...VELLEMAN NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com...

Page 3: ...s how close one is to the wiring For those wanting an audible signal space is provided on the print for connecting a buzzer type SV4 12 The small PCB has been specially designed to be incorporated int...

Page 4: ...he eyes Needle nose pliers for bending leads or to hold components in place Small blade and Phillips screwdrivers A basic range is fine For some projects a basic multi meter is required or might be ha...

Page 5: ...B R10 330K 3 3 4 B R11 1M5 1 5 5 B R12 4M7 4 7 5 B R13 1K 1 0 2 B R14 10K 1 0 3 B 1 Resistors R Construction C1 10nF 103 C2 10nF 103 C3 10nF 103 c 3 Capacitors ZD1 3V9 2 Zenerdiode Watch the polarity...

Page 6: ...refully solder the leads 2 Make sure the solder joints are cone shaped and shiny 3 Trim excess leads as close as possible to the solder joint REMOVE THEM FROM THE TAPE ONE AT A TIME DO NOT BLINDLY FOL...

Page 7: ...7 Construction RV1 470 7 Trim potentiometer RV1 SW1 1p 8 Push button LD1 5mm red 6 LED Watch the polarity 17mm...

Page 8: ...ut dimmed The circuit is now adjusted and in its most sensitive position If one wishes to decrease the circuit s sensitivity one must turn the potentiometer back to the left The small PCB can be incor...

Page 9: ...9 Diagram 10 DIAGRAM...

Page 10: ...10 11 PCB PCB...

Page 11: ......

Page 12: ...5 4 1 0 3 2 9 0 7 1 0 1 1 Modifications and typographical errors reserved Velleman nv H7101IP 2 2014 rev3 VELLEMAN NV Legen Heirweg 33 B 9890 GAVERE Belgium Europe...

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