555 synth - bike flashlight - supereasyDIY!

supereasy and under 2$!
just added a light resistor to the 10k resistor in paralell for the bilke flashlight sequencer...
thx, totally based on the great: http://www.scottmetoyer.com/archives/simple-555-synth
... first time using the 555 timer chip...this is the beginning of a wonderful friendship
ingredients: 1x 555 timer chip, battry, speaker, 1x 0,1uF condensator, 1x 1kohm, 1x 330ohm, 1x 10kohm (add a photocell here for fun) - voila!

Category:

Science & Technology

Tags:

• 555
• timer
• chip
• circuit
• bending
• diy
• synth
• bike
• flashlight