Presets for Electronics & DIY Projects - Top Picks Online – Robocraze

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Preset Potentiometer

A preset potentiometer is a small three-terminal "set and forget" potentiometer that can be calibrated for temporary adjustments in a circuit. Cermet Preset is a compact variable resistor that can be mounted on a board with 3 pins. Rotating the preset changes the voltage across the terminals.

A Preset Potentiometer can be of 100 Ohm, 1K Ohm, 10K Ohm, 100K Ohm and even more than that.

Robocraze has a wide collection of almost all types of Preset Potentiometers in India.

Buy Preset Potentiometer Online on Robocraze

Item name	Price in INR
10K Preset Potentiometer - (Pack of 5)	19/-
100 Ohm Preset Potentiometer - (Pack of 5)	19/-
100K Preset Potentiometer - (Pack of 5)	19/-
1K Preset Potentiometer - (Pack of 5)	19/-
500E Cermet(Pack of 5)	16/-
2K Cermet(Pack of 5)	17/-
5K Cermet(Pack of 5)	18/-
20K Cermet(Pack of 5)	18/-
50K Cermet(Pack of 5)	19/-
200K Cermet(Pack of 5)	20/-
500K Cermet(Pack of 5)	19/-
1M Cermet(Pack of 5)	18/-

Applications of Preset Potentiometers

1. DIY Electronics Projects

Fine-tune voltage levels in hobby circuits
Adjust LED brightness or buzzer sensitivity
Calibrate sensors for DIY measurement devices
Set reference thresholds in analog circuits

2. Robotics Projects

Calibrate motor speed controllers
Set sensitivity for line-following and obstacle-detection sensors
Tune PID parameters in robot control systems
Adjust servo motor limits and feedback circuits

3. Automation & IoT Projects

Configure trigger points for relay-based automation
Calibrate analog input readings for microcontrollers
Tune environmental sensors in IoT nodes (temperature, gas, humidity)
Set timing intervals and RC delays in automation timers

4. Embedded & Prototyping Uses

Signal adjustment in op-amp circuits
Fine calibration in ADC/DAC interfacing
Set biasing levels in transistor circuits
Precision tuning in variable power supplies

Preset Potentiometer – Compatibility Charts

Platform	Model	Compatible?	Notes
Arduino	Uno	Yes	Direct analog input
Arduino	Nano	Yes	Breadboard friendly
Arduino	Mega 2560	Yes	Multiple ADC channels
Raspberry Pi	Pi 5	With ADC	Use MCP3008/ADS1115
Raspberry Pi	Pi 4	With ADC	No built-in analog pins
ESP	ESP8266	Yes	Single ADC pin
ESP	ESP32	Yes	Multiple ADC channels
Other	STM32	Yes	High-precision ADC
Other	Micro:Bit	Yes (via breakout)	Needs expansion board

Preset Potentiometer – Installation & Usage Tips

1. Installation Tips

Identify all three pins – VCC, GND, and the middle wiper/output pin.
Check voltage rating before connecting (commonly 3.3V or 5V circuits).
Mount securely on breadboards or PCBs to avoid accidental rotation.
Use minimal force when adjusting the screw to prevent damaging the internal track.
For Raspberry Pi, always pair with an external ADC module such as MCP3008 or ADS1115.

2. Usage Tips

Start at mid-position before powering the circuit to avoid overvoltage on analog inputs.
Turn clockwise to increase the output voltage; counter-clockwise to decrease.
Use a ceramic or plastic screwdriver for precise tuning and to avoid short circuits.
Record calibrated values during prototyping for consistent results in final builds.
Avoid over-rotating beyond the mechanical limit, which may permanently damage the wiper.
Use multi-turn potentiometers when you need finer, more accurate sensor calibration.
Recalibrate periodically in robotics and automation projects where mechanical vibrations occur.

Video Tutorials

How to Use a Trimmer Potentiometer (Trimpot): Wiring, Basics & Voltage Divider Tutorial

Potentiometers Explained: Controls, Trimmers & Trimpots for Electronics Beginners

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1. What is difference between preset and potentiometer?

A potentiometer is commonly referred to as an adjustable voltage divider that is always accessible (such as a volume control) and can change the value of the voltage divider at any time. A preset is a small adjustable voltage divider that can be adjusted with a screwdriver or special tool for tuning or presetting purposes. Used to set fixed values such as reference voltage, current, and resistance.

2. What is preset price?

The price of Preset Potentiometer on Robocraze ranges from 15/- to 20/- INR.

3. What is 10k preset?

Potentiometer values are often marked with an easy-to-read string that indicates the total resistance such as 1000k for a 1000kΩ potentiometer. So a 10k preset means a preset potentiometer with a 10k ohm resistor.

4. What types of presets are available in this collection?

This collection offers Preset Potentiometers, compact variable resistors designed for PCB mounting. Available types include Standard Preset Potentiometers (e.g., 100 Ohm, 10K Ohm, 100K Ohm) and Cermet Preset Potentiometers (e.g., 500E, 5K, 20K, 200K, 500K, 1M), known for stability and accuracy. Each type comes in various resistance values and is typically sold in packs of five.

5. Are these presets compatible with Arduino or Raspberry Pi projects?

Yes. Since these presets are fundamental electronic components (variable resistors), they are fully compatible with both Arduino and Raspberry Pi projects. They can be integrated into circuits designed for these platforms to adjust voltage, fine-tune signals, or calibrate sensor inputs. The website's navigation also explicitly lists components for both Arduino and Raspberry Pi, confirming their focus on these ecosystems.

6. Can I use these presets for DIY electronics and robotics?

Yes, these presets are ideal for DIY electronics and robotics projects. They enable precise voltage variation, fine-tuning of circuits for optimal performance (such as setting thresholds or tuning oscillators), and stable signal adjustment, especially with Cermet types. Their compact size and PCB-mountable design make them easy to integrate into custom builds.

7. Are these products ready to use out-of-the-box?

These products are electronic components and not finished consumer devices. They are ready to be used out-of-the-box in the sense that they are functioning resistors, but they are designed to be mounted on a Printed Circuit Board (PCB) and integrated into a larger electronic circuit that you design and build.

8. Do the presets come with detailed specifications?

Yes, each preset comes with detailed specifications, including the component type (Preset Potentiometer or Cermet Preset Potentiometer), resistance value (e.g., 100 Ohm, 10K Ohm, 1M Ohm), compact PCB-mountable form factor with 3 terminal pins, and its function as a variable resistor for adjustable voltage division. These details ensure clarity for selection and integration.