As on-off indicator in various types of electronic circuits. Some LED’s radiate infrared light ... The above shown circuit is LED as continuity tester. This circuit is used for checking continuity of ...

The simple Diode and LED Tester presented here ... The switch and battery should be connected to the PCB as shown on the circuit diagram. For the test leads, two short lengths of flex fitted ...

Using simple components such as oil, salt water, lipids and proteins, plus routine genetic engineering techniques, it is possible to create simple nanofluidic circuits. You have full access to ...