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ROULETTE

Manual in pdf format

mk119.jpg
37 LEDs. Spinning sound. 'Winner'-tune for each color. Spins LEDs between games. Pushbutton operation. Microprocessor technology.

Specifications

auto power-off
low power consumption
power supply: 3 AA battery operation (not incl.)
dimensions: Ø3.6" x 1.3" (MK119)
 
Quantity
Price
1 – 9$14.54
10 – 99$13.50
100 +$13.05

  (Kit - Basic Soldering Required)  
  MK119  
  3  
 
 
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Roulette LED
 
Ten LEDs arranged in a circle. Pressing the switch turns one LED on in turn to simulate a roulette ball spinning in the wheel. A slowdown circuit gradually brings the ball to a stop. The circuit uses the versatile 4017 IC and a voltage controlled oscillator circuit.
Power supply: 9VDC (CPS6)
Quantity
Price
1 – 9$13.68
10 – 99$12.96
100 +$11.88

  (Kit - Basic Soldering Required)  
  CPS6  
  3  
 
 
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5 Ultra Bright LEDs flash in 7 patterns
 
Five Ultra Bright LEDs flash in seven patterns. The modes can be cycled through using an on-board tact switch. When the desired flashing pattern is found move the PCB-mounted SPDT switch. The pattern will remain flashing as long as power goes to the board & the switch remains set. COB PCB size: 3x1.5 cm. Ideal for schools.(CPS37M)
Quantity
Price
1 – 9$7.98
10 – 99$7.56
100 +$6.93

  (Kit - Basic Soldering Required)  
  CPS37M  
  17  
 
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Two LED Flasher
 
Two LED Flasher (CPS138)
Quantity
Price
1 – 9$7.98
10 – 99$7.56
100 +$6.93

  (Kit - Basic Soldering Required)  
  CPS138  
  8  
 
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1W Stereo Amplifier Module DC Volume con  (Out of Stock)
 
This is a 1 watt stereo amplifier module Kit
using the TDA 7053A from Philips. It uses
a DC voltage to control gain, hence a
single gang pot or switch can be used as a
volume control with minimal tracking error. It
will operate from 4.5 – 18 V DC and requires
no heat-sink for normal use.
TPCB size 1 1/2"x1 3/4" (CPS139)
Quantity
Price
1 – 9$7.98
10 – 99$7.56
100 +$6.93

  (Kit - Basic Soldering Required)  
  CPS139  
  0  
 
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TDA7052 Amplifier Module 1W
 
A 1W power amplifier building block designed to be part of a larger project. Ideal as a low power battery operated amplifier (from 3 to 15V) driving an 8 ohm speaker. The Philips TDA7052 is a general purpose amplifier. No heatsink needed. Short circuit protected.(CPS27)
Quantity
Price
1 – 9$9.12
10 – 99$8.64
100 +$7.92

  (Kit - Basic Soldering Required)  
  CPS27  
  22  
 
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LED Dice with Slowdown kit (inc box)
 
A kit to introduce you to electronics and circuit analysis. Seven LEDs are arranged like a real dice face. Push the switch and the dice rolls then slows down. Ingenious circuit design used to minimize components. Uses the 4017 and 555. The box is included with the kit.(CPS3)
Quantity
Price
1 – 9$11.97
10 – 99$11.34
100 +$10.40

  (Kit - Basic Soldering Required)  
  CPS3  
  6  
 
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LED 3 1/2 digit panel meter kit
 
Make this general design 3 1/2 digit LED panel meter into your own voltage or current meter. Or customize it to measure input from a transducer. Two PCB's allow low-profile end-on viewing. All instructions to assemble and operate meter are included. Meter can directly input an offset voltage, for example from a weighbridge, use non-standard voltage inputs, measure current or high voltages.(CPS61)
Quantity
Price
1 – 9$21.32
10 – 99$19.80
100 +$19.14

  (Kit - Basic Soldering Required)  
  CPS61  
  7  
 
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1W Stereo Audio Amp Module KA2209 (ver 2
 
This stereo amplifier module uses the Samsung KA2209 8-pin IC. This is equivalent to the TDA2822. The circuit is the standard text-book circuit for this chip. No heat sink is required. 2-9 volt operation. (CPS87) (version 2)
Quantity
Price
1 – 9$13.11
10 – 99$12.42
100 +$11.39

  (Kit - Basic Soldering Required)  
  CPS87  
  11  
 
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Melody Card Happy Birthday COB Module
 
Complete Card Melody Unit- 'Happy Birthday' Melody IC COB, battery and piezo all ready to play. As found in Christmas cards and books which play when you open the page. Self-adhesive backing. Tune repeats continuously while power is connected. Total of 128 notes. Cmos LSI. (SG13)
Quantity
Price
1 – 9$0.99
10 – 99$0.85
100 – 999$0.75
1000 – 9999$0.65
10000 +$0.55

  (Assembled and Tested)  
  SG13  
  704  
 
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Bidirectional DC Motor Speed Controller
 
This kit allows controlling the speed of a DC motor in both the forward and reverse direction. The range of control is from fully OFF to fully ON in both directions. Normally, switches are used to change the direction of rotation of a DC motor. Change the polarity of the applied voltage and the motor spins the other way! However this has the disadvantage that a DPDT switch has to be added to change the polarity of the applied voltage. Now you have two things to control the motor – a direction switch as well as the speed control. Also, it is not a good idea to suddenly reverse the voltage on a DC motor while it is spinning. It can cause a current surge that can burn out the speed controller. Not to mention any mechanical stress it can cause as well. PCB size: 93mm x 42mm (3.625 x 1.625 inch) (CPS166)
Quantity
Price
1 – 9$24.23
10 – 99$22.50
100 +$21.75

  (Kit - Basic Soldering Required)  
  CPS166  
  31  
 
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