LED Astable

A simple LED flasher for a variety of applications.

LED Astable Circuit
LED Astable Kit
LED Astable Parts
Handy Timer PCB
LED Astable PCB pads
  • Suitable for KS2-4, ideal for KS3, 8 week project.
  • Can flash alternately or simultaneously.
  • Flashes one or two LEDs
  • Three different speeds can be set.
  • Complete kit of components and high quality PCB.
  • Bulk discount options available.

This classic astable circuit flashes 2 LEDs alternately and has a range of applications in models and projects. The kit is available with a choice of LED colours:

RED , YELLOW , GREEN , BLUE

Included are spare resistors to offer 3 different flash speeds.

Power supply requires a 9v PP3 battery (not included).

The kit contains PCB and all components including battery clip and connecting wire to extend the LEDs up to 150mm from the PCB.

Kits sold as single, packs of 10 in 4 colour options and a 50x pack with all colours.

Kits sold as single, x10 pack and x50 pack.

Project Specifications

Power Supply:

6 to 12 volts

PCB Size

50mm x 35mm

Operating Current:

25-30mA

LED Colours:

Red, Yellow, Green, Blue

Flash Speed:

1 - 3Hz, alternate or simultaneously

LED Type:

5mm Diffused

Project Support

Download Step-by-Step Assembly Instructions
PCB Assembly Step-by-step
 Flashing Alien Project
Flashing Alien
Project Page
 Creating an Astable in Liveweire Instructions
Creating an Astable in Liveweire
 Flashing Alien Project
LED Astable
Circuit Simulation

FLASHING ALIEN PROJECT SUPPORT BOOKLET

There is a Support Book available as a pdf file, containing 45 pages, including construction guidance for materials and components, teaching plans, tasksheets and a scheme of work with assessment to help teachers deliver a successful project.

Support Booklet Pages

Prices are exclusive of VAT

Description

Each

Code: Price

LED ASTABLE KIT: RED

A pack containing components and PCB for an LED Astable Kit with 2 red LEDs.

KCA01: £2.99

LED ASTABLE KIT: RED x10 pack

A pack containing components and PCB for 10 LED Astable Kits with 20 red LEDs.

Cost per Kit:
£1.79

KCA10: £17.90

LED ASTABLE KIT: YELLOW x10 pack

A pack containing components and PCB for 10 LED Astable Kits with 20 yellow LEDs.

Cost per Kit:
£1.79

KCA15: £17.90

LED ASTABLE KIT: GREEN x10 pack

A pack containing components and PCB for 10 LED Astable Kits with 20 green LEDs.

Cost per Kit:
£1.79

KCA20: £17.90

LED ASTABLE KIT: BLUE x10 pack

A pack containing components and PCB for 10 LED Astable Kits with 20 blue LEDs.

Cost per Kit:
£1.84

KCA25: £18.40

LED ASTABLE KIT x50 pack

A pack containing components and PCBs for 50 LED astable kits, with 40 red LEDs, 20 yellow LEDs, 20 green LEDs and 20 blue LEDs.

Cost per Kit:
£1.65

KCA50: £82.50

ALIEN PROJECT SUPPORT FILE

A pdf with guidance and resources for delivering the Alien Project.

 

SWA40: £9.95

Alien Project Gallery

These are examples of projects made using the LED Astable Kit. For information on how to create this project,visit the Flashing Alien project page.

Alien Project Model Alien Project Model Alien Project Model Alien Project Model Alien Project Model Alien Project Model Alien Project Model Alien Project Model
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