Most DIY home security systems will come with sensors to detect activity in your home. These are essential devices to look for when purchasing a DIY security system. Depending on the home security system you choose, motion sensors can send alerts to your phones or a monitoring center. May 31, 2006 · Discussion DIY Air Speed Sensor DIY Electronics. Guys, how about an Ultrasonic transducer, here we have Windspeed and Wind direction Monitoring using 2 pair of Ultrasonic transducer arrange in Perpendicular to each other. 8 Great Hidden Security Sensors to Separate You From DIY Competitors Take a look at some hidden sensors that will differentiate your professional offerings from the ever-growing list of DIY security options. DIY Posture Sensor By Maker.io Staff If you ever sit in a classroom or worked in an office environment then you will know all about the importance of good posture, but maintaining your back and shoulders can be a tough habit to form. It is in ours! Installing a motion sensor light switch is something I never thought I would do. I know nothing about electrical projects and honestly, it’s not something you want to mess with unless you are a professional. However, installing a light sensor switch is really easy and doesn’t require an electrician.