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- Sat Aug 03, 2024 4:02 pm
- Forum: Hardware
- Topic: False interrupt on switching AC solenoid valve
- Replies: 1
- Views: 824
False interrupt on switching AC solenoid valve
Objective : Switch 240V AC solenoid valve using ESP32. Hardware Setup : An IR sensor (J6) to detect the input from the user, which in turn switches on a 12V operated relay (K8) via a BC547 transistor (Q1) Schematic : RelayDrive1.png Algorithm: a. Setup a "NEGEDGE" interrupt on GPIO18 b. Upon receiv...