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555-chaser

An LED chaser using 555 timers

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This LED chaser is indeed in the shape of a X-mas tree, I made it as a first experience printing a PCB, and using integrated chips.

BOM

Name Purpose Quantity Total Cost (USD) Link Distributor
PCB The board of the project 5.00 https://www.pcbway.com PCB Way
CD4017 Decimal Counter 1 0.86 https://www.micro-planet.ma/produit/cd4017-compteur-decimal/ MicroPlanet
DIP-8_W7.62mm NE555P Timer 1 0.65 https://www.micro-planet.ma/produit/ne555-temporisateur/ MicroPlanet
Potentiometer_Vishay_T93YA_Vertical Potentiometer 1 0.97 https://www.micro-planet.ma/produit/potentiometre-rotatif-6-valeurs-1k-1m%cf%89/ MicroPlanet
R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal Resistor (1kohm / 470ohms) 2 0.32 https://www.micro-planet.ma/produit/resistances-2w-66-valeurs-precision-1/ MicroPlanet
PinHeader_1x02_P2.54mm_Vertical Pin Header 1 0.65 https://www.micro-planet.ma/produit/connecteurs-jst-male-femelle-avec-cable-30cm/ MicroPlanet
LED_D3.0mm LED 10 0.65 https://www.micro-planet.ma/produit/led-3mm/ MicroPlanet
C_Disc_D7.5mm_W2.5mm_P5.00mm Capacitor 1 0.05 https://www.micro-planet.ma/produit/condensateur-ceramique-30-valeurs-2pf-0-1uf/ MicroPlanet
CP_Radial_D5.0mmP2.00mm Polarized Capacitor 1 0.11 https://www.micro-planet.ma/produit/condensateurs-electrolytique-15-valeurs-0-1uf-4700uf/ MicroPlanet

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An LED chaser using 555 timers

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