Yl105 Datasheet Better Jun 2026

void setup() // Initialize hardware serial for monitoring Serial.begin(9600);

Without this, a user might confidently switch a 6A fridge compressor, only to find the relay contacts welded shut after a month. The better approach is to apply a safety factor of 0.4x the AC rating for inductive loads—a rule of thumb that no cheap datasheet will print. yl105 datasheet better