Circuit and lamp

The invention relates to a circuit and a lamp. The circuit comprises a control circuit, a driving circuit, a switching circuit and a plurality of LED modules, wherein the plurality of LED modules comprise a high-brightness LED module and a high-color-rendering LED module; the driving circuit is used for providing a driving signal for the LED module; the control circuit is used for controlling the switching circuit to conduct a path between the driving circuit and the target LED module so as to control the target LED module to be lightened through the driving signal; the target LED module comprises a high-brightness LED module and/or a high-color-rendering LED module. By means of the circuit, waste of lamp resources can be reduced, and the purpose that one lamp meets the requirements of different application scenes with high color rendering index or high brightness is achieved. 本申请涉及一种电路及灯具。所述电路包括控制电路、驱动电路、开关电路和多个LED模组，多个LED模组中包括高亮LED模组和高显LED模组；驱动电路，用于为LED模组提供驱动信号；控制电路，用于控制开关电路导通驱动电路与目标LED模组之间的通路，以通过驱动信号控制目标LE