Parallax 12 Volt 2 Amp Power Supply

The Parallax 12 Volt 2 Amp Power Supply is a regulated DC power supply unit designed to deliver stable 12V DC output at up to 2 amperes of continuous current, making it ideal for powering microcontroller development boards, robotics platforms, and embedded systems projects. Electronics engineers, hobbyists, and educational institutions rely on this supply for prototyping and testing circuits that require clean, regulated power without voltage fluctuations. This power supply solves the critical problem of providing consistent power delivery to sensitive digital and analog circuits, preventing damage from voltage spikes and ensuring reliable operation of Parallax microcontroller boards and compatible peripherals.

Product Overview

The Parallax 12 Volt 2 Amp Power Supply operates on the principle of linear voltage regulation, converting AC mains input into a stable, filtered DC output. The unit incorporates a transformer to step down AC voltage, followed by a rectifier circuit that converts AC to DC, and a voltage regulator IC that maintains constant 12V output regardless of input voltage variations or load changes. The internal filtering capacitors smooth the rectified waveform, eliminating ripple voltage and ensuring clean power delivery essential for microcontroller operation. This design provides inherent short-circuit protection and thermal regulation, making it safe for continuous operation in laboratory and educational environments.

What distinguishes the Parallax 12V 2A supply is its optimized compatibility with Parallax microcontroller platforms including the BASIC Stamp, Propeller, and Arduino-compatible boards. The supply delivers sufficient current headroom for powering the microcontroller itself plus multiple I/O devices such as servo motors, sensors, and communication modules simultaneously. The compact form factor and standard barrel connector interface make it universally compatible with most hobbyist electronics platforms. Built with industrial-grade components, this supply maintains voltage regulation within tight tolerances, typically ±5 percent, ensuring reliable operation of logic circuits and analog sensors that depend on stable reference voltages.

Key Specifications

Specification	Details
Product Type	Regulated DC Power Supply
Brand	Parallax Inc.
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Output Voltage	12 Volts DC
Maximum Current	2 Amperes continuous
Voltage Regulation	±5 percent at rated load
Output Connector	Standard 5.5mm x 2.1mm barrel jack
Input Voltage	100-240 VAC, 50-60 Hz universal
Ripple Voltage	Less than 100 mV peak-to-peak

Key Features

• Regulated 12V DC output with tight voltage tolerance of ±5 percent, ensuring stable operation of microcontroller boards and digital logic circuits
• 2 Ampere continuous current capacity sufficient for powering microcontroller platforms plus multiple servo motors, sensors, and peripheral devices simultaneously
• Universal AC input 100-240V at 50-60 Hz, eliminating the need for separate power supplies in different countries or regions
• Low ripple voltage design with internal LC filtering delivering clean power without noise interference for analog signal processing and precision measurements
• Compact desktop form factor with standard 5.5mm barrel connector jack compatible with Parallax boards and most hobbyist electronics platforms
• Built-in thermal protection and short-circuit safeguards preventing damage to the supply and connected equipment from accidental overload conditions

Applications and Use Cases

• Parallax BASIC Stamp and Propeller microcontroller development boards requiring stable 12V power for educational robotics and embedded systems projects in schools and universities
• Arduino and compatible single-board computer platforms powered with servo motors, stepper motors, and sensor arrays for autonomous robot construction and testing
• Laboratory prototyping workbenches where multiple circuits require simultaneous power delivery from a single regulated supply with current capacity for expansion
• IoT sensor networks and wireless communication modules powered through 12V distribution rails with sufficient headroom for transient current spikes during RF transmission
• Educational STEM programs teaching electronics fundamentals where students build circuits requiring safe, regulated power without risk of voltage damage to sensitive components

How to Use

To set up the Parallax 12 Volt 2 Amp Power Supply, first verify that the input voltage selector is set to match your local AC mains voltage, typically 230V for India. Connect the three-pin AC power cord to the supply unit and then to a standard wall outlet with proper grounding. Allow approximately 30 seconds for the internal capacitors to charge and the output voltage to stabilize. Connect your microcontroller board or circuit to the output barrel connector, ensuring the polarity is correct with the center pin positive and outer sleeve negative. The supply is now ready to power your circuit.

For optimal performance, ensure adequate ventilation around the power supply unit and avoid blocking the cooling vents, particularly when drawing maximum current for extended periods. If powering multiple high-current devices like servo motors, use a distribution board or terminal block to safely split the 12V output rather than daisy-chaining multiple connectors. Monitor the output voltage periodically using a digital multimeter to verify regulation is maintained within specification. In case of unexpected voltage fluctuations or the supply becoming warm to touch, disconnect immediately and contact technical support for diagnosis.

Frequently Asked Questions

Is the Parallax 12V 2A power supply suitable for powering servo motors and stepper motors?

Yes, the 2 Ampere capacity is specifically designed to handle servo motors and stepper motors commonly used in robotics projects. However, high-torque servo motors drawing peak currents may momentarily exceed 2A during startup. For applications with multiple high-current motors, verify total current requirements do not exceed 2A continuous. The supply includes thermal protection that will safely shut down if sustained overcurrent is detected.

Can I use this power supply with non-Parallax microcontroller boards like Arduino?

Absolutely. While optimized for Parallax platforms, the standard 5.5mm barrel connector and 12V output are compatible with most Arduino boards, Raspberry Pi, and hobbyist electronics platforms. Verify your specific board accepts 12V input before connecting. Some boards may require different voltage levels, so always check the board's power specifications first.

What is the difference between this regulated supply and a simple battery power source?

This regulated power supply maintains constant 12V output regardless of load variations or input voltage fluctuations, whereas batteries experience voltage sag as current draw increases and voltage gradually decreases as the battery depletes. Regulated supplies are superior for sensitive digital circuits requiring stable reference voltages for accurate operation. Additionally, regulated supplies provide unlimited operational duration without battery replacement costs.

Is the power supply safe for continuous 24-hour operation?

Yes, the Parallax 12V 2A supply is designed for continuous operation with built-in thermal protection. Ensure proper ventilation around the unit and do not block cooling vents. The internal components are rated for extended duty cycles typical in laboratory and educational environments. If the supply becomes excessively warm, reduce the load current or improve ventilation around the unit.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy Parallax 12 Volt 2 Amp Power Supply Online in India

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