Tools

Quick calculators for the questions that come up while building.

Resistor colour code

Band 1

Band 2

Multiplier

Tolerance

220 Ω ±5%

Supply voltage (V)

LED colour

Current (mA)

220 ΩUse the standard value · Calculated: 200 Ω · 41 mW

Number of servos

Servo type

Your 5V supply (A)

2.8 APossible peak draw · Your supply has enough headroom.

Rough stall-current estimates. Real servos vary; check your servo's datasheet.