The Tupperware Turret circuit is as simple as things can get whilst still maintaining full functionality. The main parts seen in the schematic below are the: 18F4520, Servo Motors, IR Receiver and TIP120. The batteries used for this project are 4 standard AA type batteries. A 100uF capacitor is connected to power and ground to act as a DC filt
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er. This is a bare-bones basic power circuit, it doesn`t get any simpler. The PIC 18F4520 is the brains of this system. It takes in sensor data from the IR receiver module, which will receive commands from the TV remote control. After translating the IR commands, the PIC sends the proper signals telling the servos to move to a correlating position, or if the command to fire the airsoft gun is received, that trigger is set. This circuit differs a little from the Infrared IR Receiver tutorial`s circuit in that a different receiving module is used that filters and amplifies the 38 KHz IR signal all in one device. This means less work for us, less space used and more functionality. The airsoft gun is little more than a motor that moves some gears to push against a spring, causing the gun to fire. To control the firing mechanism, we must only control a motor by turning it off or on. Electrically speaking, this is a very easy thing to do and that is why only 1 high power TIP120 transistor is required to turn the motor off and on.
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of....
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is....
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to....
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This....
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the....
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,....
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the....
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power....
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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