Reminds me of the resistor color code mnemonic
Bad Boys Rape Our Young Girls But Violet Gives Willingly
Black Brown Red Orange Yellow Green Blue Grey White
0 1 2 3 4 5 6 7 8
That's for the first 3 bands.
I use BaRGeS for the fourth band
Brown Red Gold Silver
1% 2% 5% 10%
The first two bands are actual numbers. The third is the number of zeros. So red red orange gold would be 22 KOhms within 5%. If there's no fourth band, then the tolerance is + or - 20%. (Surprised I remember this. I've only ever used it once on the job.)
k
