Electronic Kits -> Breakout Boards -> 555 Monostable

555 Monostable breakout board "555-o-tron"

February 24th 2016

 
Overview
 
A 555 monostable oscillator breakout board. The 555 on this small breakout board is configured as a "monostable oscillator". A low signal to the "IN" pin will cause the 555 to emit a single pulse of a length determined by the capacitor C, and resistor, R1.
 
Details
 
Resistors can either be the normal fixed value type, variable resistors (trimmers or potentiometers), temperature sensors or light-sensitive devices (LDRs). The frequency of the pulsing will change as the resistor(s) value changes.
 
Experiment with various capacitor and resistor combinations (by placing them in the correct header positions. C and R1) for a very wide range of pulse lengths
 
See the documentation below for more information on the simple formula needed to calculate pulse length.
 
Educational
 
The 555 timer, in astable and monostable mode, appears in edexcel's GCSE D&T Electronic Products (2EP01) and AQA's GCSE Electronics (443) and A-level Electronics (2430) courses.
 
The 4017 also appears in AQA's GCSE Electronics (443) course.
 
Usage Suggestions
 
The onboard header allows for quick changing of resistor and capacitor, making it great for prototyping any 555 monostable project.
 
 
 
Download the latest build instructions here (PDF).
       

Features

  • Useful prototyping and testing breakout board
  • 555 timer IC
  • Slots directly in to any 2.54mm/0.1" breadboard

Kit Contents

  • High quality printed circuit board (PCB)
  • 1x 555 timer IC (datasheet)
  • 1x 8 pin DIL socket for the 555 IC
  • 1x 0.1uf capacitor
  • 1x 10k ohm resistor
  • 1x 4 pin female header (for capacitor C, and resistor R1)
  • 5 pin male header (for connecting to a breadboard or female header)

Images

 



 

 

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