November 6, 2006
Cat detection/repellant device - Timer delay circuit for motion detection system
Well here’s a cool little cat detection and repellent device using a sprinkler controller and some timer delay circuits. I think there’s a lot of timer delay circuits, especially the 555 being used for a lot of these DIYs, but I think it would be easier to do with BASIC controllers… OR you can probably just buy a ultrasonic ro ... More
October 31, 2006
Cool Robotic Chair
View This Video on You Tube Watch this robotic chair re-build itself! circuit, Cool, Cool, DoItYourself!, Electronics, engineering, hobby, rebuild, robotic_chair, Robots, robots, Robots, Video, Video, youtube, Zedomax ... More
October 18, 2006
Open Flame Physics Experiment, Ruben’s Tube
View This Video on You Tube This Ruben’s Tube will mimik your music with sine wave fireworks…awesome! Watch standing waves being seen as open flames… via wohba Audio, Audio, circuit, Cool, Cool, dave, Educational, Educational, Electronics, energetic, Entertainment, Entertainment, experiment, frequency, high_tech, jazz, live, M ... More
October 13, 2006
DIY - Controlling a DC Motor over Ethernet with the DAC Circuit
Here’s a cool diy on a DAC circuit to control a DC motor with your PC over the internet using Visual Basic Winsock. The circuit that I chose for this assignment is the motor project. The DAC circuit will be used to control the speed of a DC motor. This can be done by creating a Visual Basic program to interface with the motor and the PC. Th ... More
DIY Circuit - Blinking LEDs for eye props
Here’s a cool circuit for making your blinking eyes on holloween using the 555 timer chip. This chip is very useful for a lot of applications. The eye blink circuit consists of a timer and light emitting diodes, which function as the eyes. The timer circuit for the blinking eyes is based on the 555 timer. Figure 1 illustrates the standard t ... More
October 11, 2006
DIY Lightning strobe for Halloween projects
Lightning strobe for your Halloween projects or any scary shows! via Make cell phones, cell-phones, circuit, Circuits, Circuits, Cool, Cool, DoItYourself!, DoItYourself!, Entertainment, Entertainment, Hack, Hack, halloween, make, Online Games, Online Games, Projects, scary, Shows, Zedomax ... More
October 8, 2006
DIY Circuit - 1-Channel Light Organ for 12V Bulbs
Here’s a cool DIY circuit for those of you making party lights for your halloween show. Audio, Audio, circuit, Circuits, Circuits, Cool, Cool, DoItYourself!, DoItYourself!, Entertainment, Entertainment, light_organ, parts, radio_shack, Zedomax ... More
September 23, 2006
DIY Circuit - Car Battery Charger
Here’s a cool car battery charger diagram. This very simple circuit uses a transformer ,two diodes , a capacitor and an ammeter. To charge a battery just connect the + and - terminals of the circuit to the corresponding terminals of the battery. When the battery is not charged, the ammeter reading shows 1-3 amps. When the battery is fully c ... More
September 21, 2006
Circuit - DIY Water Level Indicator
I found some cool looking circuits at this website here’s one of them that detect levels of water by shorting…kinda nifty~ This circuit not only indicates the amount of water present in the overhead tank but also gives an alarm when the tank is full. The circuit uses the widely available CD4066, bilateral switch CMOS IC to indicate th ... More
