Edexcel GCSE Design and Technology · 1DT0
Specification 5.2.2 · Paper 1
Revise: Control Devices and ComponentsAn on/off rocker switch is operated by pressing either end of a rocking button. It stays in the selected position, making it suitable for a product’s main power control: the user does not have to keep pressing it. However, it requires deliberate manual operation rather than automatically detecting a condition.