The ribbon cable tester is designed to check IDC (Insulation Displacement Connection) ribbon cables quickly for shorts to adjacent pins or opens from one end to the other. Originally, I designed this unit to test ribbon cables used on test equipment in the automotive industry. But it works for any ribbon cable. There are multiple types of sockets used with ribbon cables.
Primitive irrigation systems possess many drawbacks as it fails to conserve water and human energy. So introducing Automation in it can help us to overcome these drawbacks and pave way to conserve water. This can be done with a simple Soil moisture sensor and a Microcontroller, AVR in our case. You can try out this system to automate watering the plants in your home at affordable cost.
Model rockets are great things to play with but can be dangerous if handled without care.This Rocket Count Down Launch Controller is very useful when launching model rockets and also offers safety to the user. This launch controller circuit also has of a counter which display counts down from 9 to 0 through a 7 segment display during the launch.