Circuitmess MAKERbuino Build Manual page 11

Electronics 101: reading resistor's color code is quite easy, you just have to follow a color code table like this one over here.
Alternatively, you can also use a resistor color code calculator tool like this one: color code calculator.
Every pro maker has to know this resistor table by heart, and it's quite easy using this interesting technique from resistorguide.com – you just
have to remember this sentence: Bad Beer Rots Our Young Guts But Vodka Goes Well Get Some Now!