| 摘要 |
Systems and techniques to control of delivery of current through one or more lamps include, in at least one aspect, a method comprising: receiving an electric signal from a resistor in a circuit, where the resistor is selected based on a lamp; determining that a value associated with the electric signal falls in a preset range of values, the preset range having one or more parameters that correspond to the lamp; and outputting the one or more parameters to operate the lamp.
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