ITEM NAME:DC 5V Delay relay shield NE555 Timer Switch Adjustable Module 0~10S faf New 5x Descriptio n Description: 1. Turn on the power relay for delayed inhalation. Specifically, the relay does not inhale immediately after the relay is.First, the main chip: NE555. Turn on the power relay for delayed inhalation. For example: Capacitance 100uf resistance 100K T = 1.1 100000 0.0001 = 11 seconds. Relay relay protection. 7, with relay suction indicator.
