Resistors and Color Code

Resistors with 4 rings

Color 1. Ring 2. Ring 3. Ring – Multiplier 4. Ring – Tolerance
black 0 1 x 1
brown 1 1 x 10 1 %
red 2 2 x 100 2 %
orange 3 3 x 1.000
yellow 4 4 x 10.000
green 5 5 x 100.000 0.5%
blue 6 6 x 1.000.000 0.25%
purple 7 7 x 10.000.000 0.1%
grey 8 8
white 9 9
gold x 0,1 5%
silver x0,01 10%

Resistors with 5 rings

Color 1. Ring 2. Ring 3. Ring 4. Ring – Multiplier 5. Ring – Tolerance
black 0 0 0 x 1
brown 1 1 1 x 10 1 %
red 2 2 2 x 100 2 %
orange 3 3 3 x 1.000
yellow 4 4 4 x 10.000
green 5 5 5 x 100.000 0.5%
blue 6 6 6 x 1.000.000 0.25%
purple 7 7 7 x 10.000.000 0.1%
grey 8 8 8
white 9 9 9
gold x 0,1 5%
silver x0,01 10%

Calculator for Resistor Values

Calculator for 4 rings

1. Ring 2. Ring 3. Ring 4. Ring Value Tolerance
0Ω 0%

Calculator for 5 rings

1. Ring 2. Ring 3. Ring 4. Ring 5. Ring Value Tolerance
0Ω 0%

Bosch IXO Repair

In 2006 I bought my first Bosch IXO. It did a wonderful job over the last years and helped a lot assemble and disassemble mostly furniture. (I moved 3 times in the last ten years)

But when we started to renovate our  bureau at home the switch for changing directions started to get a slack joint. Here You can see the misery:

After a bit of a web search I finally found a replacement part and soldered it in:

Works like a charm!

Next steps:

  • Replace battery
  • Replace LED with brighter one