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25KHz Ultrasonic Transmitter

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Details

Item Number
MA25T
Price
£3.75 (inc VAT £4.50)

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Quantity


  • 2N3906 Transistor

    2N3906 Transistor

    2N3906 PNP TO92 EBC 40V 200mA 250MHz
    2N3906
    £0.35
  • 10K ohm 1/2 Watt Resistors Pack of 10

    10K ohm 1/2 Watt Resistors Pack of 10

    Carbon Film Resistor 1/2 Watt 5% 10 Pack. 10K ohms
    H10K
    £0.40
  • 2A46 4 X AA Battery Holder 2 x 2 with PP3 Connectors

    2A46 4 X AA Battery Holder 2 x 2 with PP3 Connectors

    Battery holder for 4 X AA Batteries Arranged 2 x 2. All in series to give 6V total. PP3 Snap Connectors

    Picture shows only 2 battery compatrments, there are another two directly behind.

    2A46
    £0.75
  • PP3 9Volt Strong Hard Plastic Battery Snaps

    PP3 9Volt Strong Hard Plastic Battery Snaps

    PP3 9Volt Solid Plastic Battery Snaps with 150mm Tinned Red & Black wires coming out at one end. Water repellent body.

    PP3H
    £0.50
  • ABS Box 100 x 75 x 40mm

    ABS Box 100 x 75 x 40mm

    Black ABS Plastic Box with Screw-down lid. 100 x 75 x 40mm

    ABS20
    £2.25
  • 3 Amp Push to Make Switch with Red Button

    3 Amp Push to Make Switch with Red Button

    Push to make, release to Break Switch. 1A. 34 x 15 x 15mm. Cut-out 12mm (M12 thread) Red Button. 3A 125V AC, 1.5A 250V AC

    PTM3R
    £0.88
  • Prototype Breadboard with 400 points

    Prototype Breadboard with 400 points

    Solderless Plug-In Breadboard 0.1 inch - 2.54mm spacing. Ideal for experiments & prototyping.

    400 Points. 2 x 30 x 5 commoned points. 4 rows of 25 points. Self-adhesive backing (or can be used free-standing).

    BB400T
    £3.95
  • Quality Helping Hands with Glass Lens & Nickel Plating

    Quality Helping Hands with Glass Lens & Nickel Plating

    Helping Hands

    A useful service-aid for holding boards and equiment, whist performing intricate jobs and inspections.
    Many other useful applications.
    Real Glass Lens (x3 Magnification) with strong metal stand and attachments.
    Versatile adjustments and joints.

    HH10
    £4.75
  • Jewellers' Eyeglass with 2 Magnifications 7X & 14X

    Jewellers' Eyeglass with 2 Magnifications 7X & 14X

    Magnifier Jewellers' Loupe Magnifier 7X & 14X

    Indispensible for miniature work and for identifying small parts. Fits into the eye-socket, keeping both hands free.

    One magnifier with 2 strengths. Unscrew the device for normal, everyday use to get  7X magnification. Screw on again to get 14X for very small items. Very useful for older eyes.

    People over 30 years-old can have brightness & focusing problems

    EY14
    £3.25

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Ultrasonic Transducer - Transmitter at 25KHz. Sends piercing sound omindirectionally. Cannot be heard by normal human ears, but sends frightening sound to horses, cats, dogs, mice, rats, birds etc etc. 25KHz presents a lower frequency sound than conventional 40KHz transducers and is more effective in animal and pest control.

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