a rajib kumar gupta Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 7, 2015 at 9:13 am in reply to: Ultrasonic sensor #12570 a rajib kumar guptaParticipant yes you are right.I read somewhere that ultrasonic sensors are widely used for detecting water level. Thanks btw April 12, 2013 at 9:46 pm in reply to: Interfacing LDR with IC555 #9478 a rajib kumar guptaParticipant wysiwyg_imageupload:8207: Author Posts Viewing 2 posts - 1 through 2 (of 2 total)