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555 Monostable SMD Trainer Kit

555 Monostable SMD Trainer Kit

Regular price £2.99 GBP
Regular price Sale price £2.99 GBP
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The 555 Monostable SMD Trainer by MitchElectronics is a 555 monostable circuit made entirely with SMD components, and the goal of this kit is to help teach SMD soldering. RoHS and REACH compliant, ideal for classrooms and workshops, and superb for beginners looking to improve their soldering skills!

This kit is part of the SMD Trainer range that only uses SMD parts to test out your soldering skills. This kit provides all the parts needed to create the famous 555 Monostable circuit that blinks an LED, and the on-time of the LED is controlled via the SMD potentiometer. Before making this kit, be sure to read our SMD soldering guide found in our resources page, and pay extra attention when positioning components because de-soldering SMD parts can be extremely challenging.

Product specifics

  • Component Count: 9
  • Battery Powered: Yes
  • Operating Voltage: 3V to 9V
  • Operating Frequency: N/A
  • Dimensions (PCB): 23mm x 22mm
  • Mounting Holes: 4 x M2 (19mm x 18mm)
  • Prebuilt: No – Kit form
  • Batteries Not Included

Included in this kit

  • 1 x NE555
  • 1 x 100Ω Resistor
  • 2 x 1KΩ Resistor
  • 1 x 100KΩ Potentiometer
  • 1 x 100nF Capacitor
  • 1 x 100uF Capacitor
  • 1 x Tactile Switch
  • 1 x Red LED
  • 1 x PP3 Connector


The 555 Monostable SMD Trainer is ideal for SMD solder practice, and works well with the SMD Soldering Guide found in our resources page. This kit is also ideal for those who want to get into electronics, and the small size of this kit also makes it ideal for applications that need a small, modularised board. For example, this kit can be used to control a fluid pump to deliver specific amounts of a liquid after pressing the button.


Note that product specifics such as output frequency depend on the tolerance of the components. The numbers provided here are an approximation only.

All parts sold by MitchElectronics are compliant with RoHS and REACH directives which ensure that they can be used in commercial environments as well as complying with environmental laws.


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