as a light sensor you can use | Miscellaneous › Others › model for automatic rain, moisture and light controlling system for garden › as a light sensor you can use February 27, 2015 at 6:52 am #12655 Ashutosh BhattParticipant as a light sensor you can use LDR for moisture or humidity you have to use readily available humidity sensor. rain sensor you can build ur self using IC555 in monostable mode
