JSrobotics
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β€’ Explore the world of robotics with Arduino and more!

β€’ Learn from experienced Teachers @javoshka1 and @user_Sarvar

β€’ Sign up for individual classes - @jsrobotics24_bot

🌐website - https://jsrobotics.uz
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If you were a movie writer… πŸ’€
#electronics #arduino #engineering

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πŸ“Ή Your house guests will definitely love this πŸ’€ #electronics #arduino #engineering βž₯

Don't forget to share with your friendsπŸ’¬

πŸ–₯Visit our website for more!

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#electronics #joketime

AxxaxaπŸ˜‚πŸ˜‚
πŸ”§ Resistors: The Unsung Heroes of Electronics

Resistors are fundamental components in electronics, designed to resist the flow of electric current. They play a crucial role in controlling voltage and current within circuits, ensuring devices operate safely and efficiently.
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How Resistors Work

A resistor reduces current by converting electrical energy into heat. Its resistance, measured in ohms (Ξ©), determines how much it restricts the flow of current. The higher the resistance, the lower the current flow.
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Types of Resistors

1) Fixed Resistors: Common types include:
Carbon Film: Cost-effective, general-purpose.
Metal Film: Precision applications, low noise.
Wire-Wound: High power handling.

2) Variable Resistors (Potentiometers): Adjustable resistance, often used for volume control or sensor calibration.
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Applications in Robotics

Current Limiting: Protect LEDs and other sensitive components.
Voltage Dividers: Create reference voltages or reduce high voltages.
Signal Conditioning: Filter and stabilize input signals for sensors and microcontrollers.
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Key Facts About Resistors

Color Code: Resistors use a band system to indicate their resistance. Learn the color code: BBROYGBVGW (Black, Brown, Red...White).
Power Rating: Measured in watts (W), it indicates how much heat the resistor can safely dissipate.
Tolerances: Resistors have a percentage tolerance (e.g., Β±1%) that defines how close their actual resistance is to the labeled value.
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Quick Tips for Using Resistors

Always calculate the required resistance value using Ohm's Law: R=V/I.
When in doubt, opt for a higher power rating to avoid overheating.
Combine resistors in series or parallel to achieve desired resistance values.
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Useful Resources

Interactive Resistor Color Code Tool
Ohm's Law Calculator
Video: Resistors Explained for Beginners
Resistors may be simple, but their impact on circuit stability and functionality is immense. They're truly the backbone of every electronic device! πŸ’‘

#Electronics #Robotics #ComponentReview

@arduino_hubb
πŸ”‹ Capacitors: The Energy Storage Champions

Capacitors are essential components in electronics that store and release electrical energy in a circuit. They act as mini energy reservoirs, balancing voltage and smoothing out power fluctuations.

How Capacitors Work
A capacitor consists of two conductive plates separated by an insulating material called a dielectric. When voltage is applied, it stores energy as an electric field. The amount of energy it can hold depends on its capacitance, measured in farads (F).

Types of Capacitors

1) Electrolytic Capacitors:
- High capacitance.
- Used for filtering and power supply stabilization.

2) Ceramic Capacitors:
- Low capacitance.
- Ideal for high-frequency circuits and decoupling noise.

3) Film Capacitors:
- Stable and durable.
- Used in precision applications.

4) Supercapacitors:
- Extremely high capacitance.
- Used for energy storage in renewable energy systems.

Applications in Robotics
- Power Filtering: Smoothens out voltage fluctuations to protect components.
- Energy Storage: Provides short bursts of energy for motors or actuators.
- Signal Processing: Removes unwanted noise from signals.

Key Facts About Capacitors

- Polarity: Electrolytic capacitors have polarity (+/-), while ceramic ones are non-polar. Always connect them correctly to avoid damage!

- Voltage Rating: Never exceed the capacitor's voltage rating. A higher margin (e.g., 20%) is always safer.

- Capacitor Charging: Capacitors charge and discharge exponentially, making them useful for timing applications.

Quick Tips for Using Capacitors

- Always choose a voltage rating higher than your circuit's operating voltage.
- Use ceramic capacitors near microcontrollers to suppress high-frequency noise.
- For power circuits, combine electrolytic (bulk storage) and ceramic capacitors (noise filtering).

Useful Resources:

- Capacitor Basics Explained (All About Circuits):
https://www.allaboutcircuits.com/textbook/direct-current/chpt-13/capacitors/

- Capacitor Charging Calculator (Omni Calculator):
https://www.omnicalculator.com/physics/capacitor-energy

- Video: How Capacitors Work:
https://www.youtube.com/watch?v=CIjXUg1s5gc

Capacitors might seem simple, but they are powerful tools for creating efficient and reliable circuits. From robotics to power systems, their versatility is unmatched! ⚑️

#Electronics #Robotics #ComponentReview

@arduino_hubb
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⚠️ How NOT to fry your Arduino Uno

#microcontroller #electronics #power

@arduino_hubb
Building a Laser Security System | DIY Electronics Project

In this video, a laser security system is built using simple electronic components. The system is designed to detect intrusions by interrupting a laser beam, which causes an alarm to be triggered. This method can be used for DIY home security or for learning about laser-based sensors.

https://youtube.com/shorts/A_ylSGromRo?feature=shared