Electronic Circuit: VHF Dip Meter Based on Transistors

Radio. - This is one of implementation transistors to build VHF Dip meter in this time. It is only need small component completed to build this project in this time.

Beside we will show you electronic design circuit and component parts need, we also will give you global description about this circuit. So, please enjoy to continue reading this article until finish and get more useful.

Electronic Circuit Design

Image Courtesy of https://www.eleccircuit.com/

Component Parts

• Transistors
• Inductor
• Capacitors
• Resistors
• Variable resistors
• Battery

Description

VHF dip meter based on transistors high voltage generator using NE555 IC for you. According Eleccircuits blog mentioned that this is a simple VHF dip meter circuit.The DIP meter is the frequency meter by use the LC resonance circuit that adjustable until the frequency show peak amplitude. The circuit include variable frequency generator circuit, rectifier and a moving coil meter.

In the oscillator include two transistors T1 and T2. The tuning circuit include C1 and coil Lx this coil will is outside the metal box. When apply the power to circuit, the voltage from the oscillator will be rectifier by diodes D1 and capacitor C2. Then, send signal to P1 that use to adjust meter.

If bring the coil Lx near the others LC circuits, that resonance same the frequency is generated. This LC circuit will pull power from Lx, cause the lower voltage drop across the meter. The adjusting frequency by C1 if the frequency resonance can read frequency by the meter.

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Electronic Circuit: High Voltage Generator using NE555

555 Circuit. - This is one of implementation NE555 IC to build high voltage generator in this time. It is only need small component completed to build this voltage generator in this time.

Beside we will show you electronic design circuit and component parts need, we also will give you global description about this circuit. So, please enjoy to continue reading this article until finish and get more useful.

Electronic Circuit Design

Figure 1. High Voltage Generator Circuit using NE555 (Source: www.circuitstoday.com)

Component Parts

• NE555
• Capacitors
• Resistors
• Transistor
• Variable resistors
• EHT Transformer

Description

The electronic circuit design like in Figure 1 above show you high voltage generator using NE555 IC for you. 

According Circuitstoday blog mentioned that this is first of all let me remind you that this circuit is a very dangerous one. The output voltage of this circuit is in Kilo volts and it can seriously injure you or kill you. Try this circuit only if you have enough experience dealing with high voltages. I have no responsibility on any hazards caused by the circuit. Be very careful. This is a humble request.

The circuit given here has three sections namely oscillator, switching stage and a step up stage. The oscillator is build around a NE555 timer operating at 25 KHz. The output of the NE555 coupled to the base of the power transistor TIP3055 which is the switching device. The power transistor drives primary of the step up transformer at 25 KHz and as a result a high voltage will be induced across its secondary.

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Electronic Project: Gesture Controlled Robot Using Raspberry Pi

Project. - This is one of implementation Raspberry Pi to build gesture controlled robot in this time. It is only need small component completed to build this project using Raspberry Pi, Accelerometer and also RF Module in this time.

Beside we will show you electronic design circuit and component parts need, we also will give you global description about this circuit. So, please enjoy to continue reading this article until finish and get more useful.

Electronic Blog Design

Component Parts

• Raspberry Pi, 
• Accelerometer, 
• RF Module, 
• Memory Card, 
• Power supply, 
• Wires, 
• Encoder, 
• Decoder, 
• Motor Driver

Description

According Circuitstoday blog mentioned that this tutorial we are going to control a robot driven by two DC motors by simply using hand movements. There are different kind of sensors to detect your hand movement like flux sensors, Accelerometers and other gravity based sensors. So for wireless transmission we are going to use RF 434 module which transmit 4 bit data. 4 bit data means you can transmit 16 different combinations i.e., 0000 to 1111. Further in this tutorial we will use an encoder and decoder to avoid interference in the air interface. A motor driver will drive the motors from using the decoder data.

We use our Raspberry pi at the transmitter end to analyze the sensor data and to transmit a data combination to the motor driver to drive the motors accordingly so that the robot can hover around. We will be using a 12 V battery on robot to power the decoder module, receiver module and the motors. At the transmitter end sensors and transmitter encoder module is powered by raspberry pi itself.

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