# LINKS
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## Timer 555 Calculator
- https://www.digikey.de/de/resources/conversion-calculators/conversion-calculator-555-timer?srsltid=AfmBOooVGYjRDR9IChxvm5S2sqknCEWSG8kwr6jI-XGZyPnTDZY9G8-c
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## Board Simulation
- https://easyeda.com
- https://www.circuitlab.com/editor/#?id=7pq5wm&from=homepage