Category: Video Tutorial

This is video about acceleration sensors for medical applications. Accelerometer is one of acceleration sensor that usually used in medical application. An accelerometer has six sensing function. The sensing functions of accelerometer are shock, tilt, vibration, motion, position and free fall. This video focus on three areas, preventive method or preventive care, medical equipment in general and rehabilitation. Here is […]

This is a video about blood glucose meter with blood pressure monitor. This device has two functions, blood pressure monitor and blood glucose meter. This is really low power device but has a good performance. The features of this device are LCD display, USB connectivity, and card reader that allow transfer data to mobile phone, remote desktop or PC. Beside […]

Sometimes night vision is needed to see in the dark. This video is about a simple night vision that can be used to see in the dark. The night vision is made of Super bright LED, LED, a viewfinder, box, switch and jack. This night vision draw 9V of the power from battery. The super bright LED is built in […]

Below is video tutorial about how to make a device to hear through the wall. or called Spy Stethoscope. To make this device we only need a stethoscope and multimedia microphone. Using this device, we can heard a sound that could not be heard. To make this device, first disassemble the microphone then put the microphone into the earpeaces of […]

Below is “make a portable spy scope” video tutorial. This video explained us about how to capture an image in long distance. If your camera zoom is not big enough, this is the solution. What we need only a cellphone (have camera feature), binocular, 2 tripods, binocular holder, and belt clip. To assemble the device, put the binocular into the […]

A laser beam is a interesting stuff that can be used in many project. One of the project is a simple laser communicator that is used to transmit the voice across the room. To build a simple laser communicator, we need audio output transformer, solar cell, small amplifier, radio battery pack and regular laser pointer. First, build the battery packet. […]

The video below explains us about the load sharing issues in SMPS (switched mode power supply) design. This video tell us that load sharing connects the load with more Power Supply together to empower the load. Usually there more modules with more total power capability that required by the system. If one power module failed, remaining module continue to supply […]