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Square Wave Oscillator LN/NE555 (inc box

Documentation in acrobat format (K111)

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Simple circuit to generate square waves of approximately 1Hz 10Hz 100Hz 1KHz 10KHz & 100KHz. A square wave generator is one of those pieces of equipment that has many uses in the workshop yet few hobbyists actually have. This simple kit, based on the popular 555 timer IC, generates six preset frequencies from 1Hz to 100khz. It has an operating voltage range of 5 to 18VDC and even provides visual indication of the output. The kit is constructed on a single-sided printed circuit board (PCB). The PCB size: is 78 x 50mm (3.1" x 2") and will mount on a small plastic 'Jiffy' box. (CPS111)
 
Quantity
Price
1 – 9$13.68
10 – 99$12.96
100 +$11.88

  (Kit - Basic Soldering Required)  
  CPS111  
  29  
 
 
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The PCB for CPS111 only
 
PCB for CPS111 only (BB092)
Quantity
Price
1 – 9$5.70
10 – 99$5.40
100 +$4.95

  (Component or Part)  
  BB092  
  16  
 
 
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Electronic projects 3
 
Three circuits are explained, a 555 Timer, 555 Oscillator with Light Dependent Resistor (LDR) and a light/dark switch using a LDR and 555 IC. The working of a 555 IC is also discussed. (VB052)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  VB052  
  60  
 
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Electronic Projects 12 newsletter
 
In this newsletter the principle of sensing an object over a distance is described. An optical sensor (LDR) detects the reflected light emmitted by a LED transmitter.
(AA513)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  AA513  
  2  
 
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Electronic projects 1
 
Use of breadboard to build 3 different circuits using LED's and flashing LED's:LED Tester, Flashing LED and 2 Flashing LED's. THe light Emitting Diode (LED) is discussed.(VB044)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  VB044  
  292  
 
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Electronics projects 11
 
How to buid a night rider light effect on the WS200 Workstation is described. (AA348)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  AA348  
  10  
 
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Electronic projects 2
 
Two circuits are explained, the first one is a transistor flip-flop circuit with 2 flashing LED's and the second is a coorination test game that uses a thyristor to demonstrate circuit switching. (VB049)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  VB049  
  107  
 
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Electronic projects 4
 
In this newsletter three circuits are explained: a 555 LED flasher, a running light effect using the 4017B and 555 micro chip and an electrodice. (VB054)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  VB054  
  77  
 
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Electronic projects 5
 
In this circuit a LM358 IC is used to form two oscillators. The one has a low frequency (1Hz) while the other oscillators at a high frequency (1KHz). The low frequency socillator modules the high frequency to form a two tone siren. (VB056)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  VB056  
  77  
 
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Electronic projects 6
 
Two circuits are described in this newsletter: a sound switch and a zener diode regulated power supply. (VB058)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  VB058  
  82  
 
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Electronic Projects 7
 
The newsletter describes how to construct your own 12V battery tester, the circuit uses a LM358 operational-amplifier as a voltage comparator. (VB062)
Quantity
Price
1 – 9$0.09
10 – 99$0.08
100 +$0.07

  (Book)  
  VB062  
  16  
 
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