This Infrared Alarm Barrier Circuit show how to use light which we cannot see to make tripwire alarm. It work like beam of light for small fences. When someone walk in front of light and break it, loud alarm make big noise to warn and scare person. It is fun project to do but real […]
Simple Christmas Fairy Flashing LED Lights Circuit
With this easy guide for Simple Christmas Fairy Flashing LED Lights Circuit we are ready to jingle all way! This circuit makes fun and happy pattern with blinking LED lights which look like small Christmas bulbs. To make lights look more special we can put them in line or shape and use different color bulbs […]
Simple Christmas LED Lights Circuit
Tiny light bulbs called LEDs get control by a special Simple Christmas LED Lights Circuit. These circuits are same like fun DIY projects people try for make lights shine. To make lights blink or slowly turn ON and OFF in nice way the circuit uses things like resistors and tiny chips. By connecting LEDs in […]
Electroscope Circuit to Measure Electrostatic Charge
One tool for checking static electricity is Electroscope Circuit to Measure Electrostatic Charge. Static electricity happen when object have unbalanced electric charges. Electroscope help to know if static electricity is there and it is how much. It just simple conductor. When something touches it then electroscope charge changes and react. This movement show what charge […]
Simple Electronic Stethoscope Circuit
This Simple Electronic Stethoscope Circuit talks about how to make one type of stethoscope circuit. Normal stethoscope uses tube to listen small sound from body like heart and lung. This electronic stethoscope uses small electric parts to make sound more clear and loud. It help doctors and nurses hear better what happen inside the body. […]
Acupuncture Point Locator Circuit
Acupuncture Point Locator Circuit is small device which helps to find special point on human body. In acupuncture thin needle goes inside our body part to reduce pain. This is old medical method. These special body points called acupuncture point or just acupoints. People think energy move through body using these points. To find these […]