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Item #:
140641959
100 PCS Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor 5 mm (5539)
Item #:
140641959
GHS 263
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100 PCS GM5539 PHOTORESISTORS – Bulk pack of 5mm light-dependent resistors (LDRs) for Arduino light sensors, phototransistors, and photo-sensitive timers.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Quantity Pack
This product includes 100 pieces, providing excellent value and convenience for projects requiring multiple light-sensitive resistors, ensuring you're well-equipped for any task.
Versatile Application
These 5mm photoresistors are ideal for various applications like light detection, automatic lighting systems, and electronics projects, catering to hobbyists, educators, and developers alike.
Reliable Performance
Designed for consistent sensitivity and accuracy, these components ensure reliable performance in detecting light levels, helping to optimize energy use in your applications.
Product Details
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Electronics Hobbyists
Ideal for DIY electronics projects requiring light sensing for automation, such as light-activated circuits.
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Students in STEM
Useful for educational purposes in science and technology courses, where light sensors are essential for experiments.
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Robotics Enthusiasts
Beneficial for building robots that need light detection capabilities for navigation and obstacle avoidance.
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High-Precision Applications
Not suitable for projects requiring exact light measurements, as photoresistors can have variable resistance outputs.
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Advanced Researchers
May not meet the technical specifications for professional research, where better sensors with higher accuracy are necessary.
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Non-Electronic Uses
Not recommended for applications outside electronics, where light sensing isn't involved or necessary.
Product Description
100 PCS Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor 5 mm (5539)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the main applications for the 100 PCS Photoresistor Light Dependent Resistor?
Answer: The 100 PCS Photoresistor is primarily used in various electronics projects as a light-sensing device. It is ideal for applications such as automatic lighting systems, solar garden lights, and alarm systems. These resistors respond to changes in light intensity, making them perfect for controlling devices like street lights that need to turn on at dusk. For DIY enthusiasts, incorporating these sensors into projects can enhance functionality by allowing devices to react to ambient light conditions. -
Question:
What is the sensitivity and electrical characteristics of the 5 mm Photoresistor?
Answer: The 5 mm Photoresistor typically exhibits high sensitivity to light changes, allowing it to effectively convert light into an electrical signal. Usually, it has a resistance range that varies greatly based on light exposure, being low in bright conditions and high in darkness. This property makes it suitable for use in circuits where light detection is crucial, like in automatic street lighting or in sensor-based projects, providing essential data for controlling the device's actions based on environmental lighting. -
Question:
How do you connect the Light Dependent Resistor in a circuit?
Answer: To connect a Light Dependent Resistor (LDR) in a circuit, place it in series with a fixed resistor to create a voltage divider. Connect one terminal of the LDR to a power source and the other to the fixed resistor connected to ground. The junction between the LDR and the fixed resistor can be connected to an analog input on a microcontroller. This simple setup will allow the microcontroller to read varying voltage levels based on light conditions, which can then trigger various responses or actions in your project. -
Question:
Can these Photoresistors be used in outdoor applications?
Answer: Yes, these Photoresistors can be used in outdoor applications, particularly in solar-powered devices and garden lighting. They are designed to withstand various weather conditions and can function well in direct sunlight. When placed in outdoor settings, they help automate lighting systems, ensuring that lights turn on during dark hours without manual intervention. In addition, their sensitivity can be adjusted in the circuit to adapt to varying daylight conditions, optimizing performance. -
Question:
How do I ensure accurate readings from the Photoresistor?
Answer: To ensure accurate readings from a Photoresistor, it's important to calibrate it according to the environment in which it is placed. This involves programming the microcontroller to interpret the voltage changes in response to specific light levels. Additionally, shielding the Photoresistor from direct interference (like shadows or reflective surfaces) can enhance accuracy. Using filters can also help in environments with fluctuating light, enabling your project to respond more reliably to intended light changes. -
Question:
What is the lifespan of these Photoresistors?
Answer: The lifespan of Photoresistors largely depends on the operating conditions and the quality of usage. Typically, they have a long lifespan, especially when used within recommended parameters. High-quality Photoresistors can last for years in controlled environments while maintaining consistent performance. In demanding applications, regular checks and maintenance ensure they function correctly and do not degrade from excessive light exposure or environmental factors, preserving their longevity. -
Question:
Are these Photoresistors suitable for breadboard prototyping?
Answer: Absolutely! These Photoresistors are ideal for breadboard prototyping due to their 5 mm size, which is compatible with standard breadboards. Their versatility allows them to be easily integrated into various electronic projects, making the experimentation process straightforward. Whether you are building a light-sensitive alarm, automated lighting, or other innovations, the simplicity of connecting these LDRs onto a breadboard can facilitate quick and effective testing of your ideas. -
Question:
Do I need a resistor when using a Photoresistor?
Answer: Yes, when using a Photoresistor, it's generally recommended to include a fixed resistor in series to operate effectively and safely. This configuration forms a voltage divider, allowing for a stable reading of the varying resistance of the LDR based on light exposure. The value of the fixed resistor can be selected based on the intended light sensitivity and the voltage used in the circuit, ensuring optimal performance in detecting ambient light changes. -
Question:
How do the dimensions of the 5 mm Photoresistor affect its use?
Answer: The compact 5 mm dimension of the Photoresistor makes it versatile and easy to incorporate into various electronic circuits and designs. Its small size allows for use in space-constrained projects or devices where aesthetics are essential. Despite its size, it maintains high sensitivity levels, making it well-suited for applications ranging from small-scale DIY projects to larger automation systems, where efficient light detection is required without using bulky components. -
Question:
Where can I buy 100 PCS Photoresistor Photo Light Sensitive Resistor Light Dependent Resistor 5 mm (5539) in Ghana?
Answer: You can purchase the 100 PCS Photoresistor from Ubuy in Ghana. Ubuy provides a reliable platform to acquire electronic components like these Photoresistors conveniently, ensuring access to quality products for your projects. Whether for professional or hobbyist use, Ubuy offers a wide range of electronic supplies, making it a go-to choice for fulfilling your needs.
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GHS 263
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Features & Benefits
- Bulk pack of 100 high-quality 5mm photoresistors.
- Perfect for Arduino projects and light-sensitive applications.
- Max voltage of 150V DC, with stable performance.
- Quick response times of 20ms for up and 30ms for down.
- Ideal for DIY enthusiasts and electronics repair.
- Versatile for various applications like outdoor lights and automation.
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