Build DIY Arduino Based RGB Sync & Fan Controller PC Modding Part 5: Build Fan & LED Driver ULN2003

build simple fan and led driver with uln2003 uln2003an npn darlington array for driving 12v dc fan speed and led brightness and 2n2222 npn transiators for driving 5v dc toggle switch on/off led and fans

Part 1: Build DIY Arduino Based RGB Sync & Fan Controller PC Modding = https://youtu.be/zWfZrkNRgSU
Part 2: Build DIY Arduino Based RGB Sync & Fan Controller PC Modding = https://youtu.be/W0l2v3q9TgI
Part 3: Build DIY Arduino Based RGB Sync & Fan Controller PC Modding = https://youtu.be/rHWZea2wgxg
Part 4: Build DIY Arduino Based RGB Sync & Fan Controller PC Modding = https://youtu.be/jqYqyPI9exw
Part 5: Build DIY Arduino Based RGB Sync & Fan Controller PC Modding = https://youtu.be/7vw-WWFoKjw

#uln2003
#2n2222
#leddriver