SMD 555 Monostable electronics kit featuring a potentiometer for variable frequency, LED for indication, and external contact pad for use in other circuits. In this kit, you will learn how to solder surface mount components and make a 555 monostable circuit which is one of the most common uses for the 555 timer IC. This kit is a perfect introduction for beginners soldering and configuring a 555 timer IC which can be constructed in under an hour. The small size of the kit 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. * Battery: 9V PP3 (not included) * Operating voltage: 3-9V * PCB dimensions: 23 x 22mm * RoHS and REACH compliant Instructions / documentation What's in the 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 https://elecena.pl/product/27297346/variable-frequency-smd-555-monostable-electronics-kit 2024-11-19 https://elecena.pl/product/27297346/variable-frequency-smd-555-monostable-electronics-kit 2025-01-04 https://elecena.pl/product/27297346/variable-frequency-smd-555-monostable-electronics-kit 2025-02-06 https://elecena.pl/product/27297346/variable-frequency-smd-555-monostable-electronics-kit 2025-02-18 https://elecena.pl/product/27297346/variable-frequency-smd-555-monostable-electronics-kit 2025-02-21 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