Electrical device, circuit board and method for identifying a type of a housing of an electrical device

摘要

An electrical device includes a housing, a circuit board including at least one fastening means, at least one fastening element configured to fix the circuit board on the housing by the at least one fastening means, and a microcontroller arranged on the circuit board, wherein an electrical contact electrically connected to the microcontroller is arranged on the circuit board to be spaced apart from the fastening means by a specified spacing, the fastening element has a housing-specific diameter at an end facing the circuit board, and the microcontroller is configured to determine a type of the housing on the basis of whether the fastening element contacts the at least one electrical contact.