Technology is advancing faster than ever, transforming the way we work and innovate. With a wide range of programmable power supplies available today, why settle for outdated models? While some traditional power supplies still serve their purpose, modern smart power supplies offer greater precision, efficiency, and control. Whether you’re a hobbyist or a professional, upgrading to a programmable power supply can take your electronics projects to the next level. Let’s explore some of the most advanced options that will revolutionize your workbench! 🚀⚡
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Table of Contents
Why do we need a power supply?
A power supply is an essential tool for any electronics workbench, providing a stable and adjustable voltage and current source for testing, prototyping, and troubleshooting circuits. Whether you’re working on DIY projects, repairing electronic devices, or designing new systems, a reliable power supply ensures that your components receive the precise power they need to function correctly.
It helps prevent damage caused by unstable power sources and allows for controlled experimentation. From low-power microcontroller projects to high-power industrial applications, having a good power supply enhances efficiency, accuracy, and safety in your workbench setup.
Here are some smart power supplies that will catch your eyes. Most amazing thing is, these are PC programmable power supplies.
1. FNRSI Portable Upgraded DPS-150 DC Power Supply:
The DPS150 is a compact, well-designed, and space-saving DC power supply that outperforms traditional benchtop models in both functionality and performance. Despite its small size, it delivers powerful and precise voltage and current control, making it an excellent choice for electronics professionals and hobbyists alike.

Key Features & Specifications:
✅ Precision & Power:
- Adjustable DC output: 0-30V, 0-5A, 150W
- High accuracy display: 0.01V / 0.001A resolution
- CC/CV switchable mode for stable current and voltage control
- Ultra-low ripple (<20mV) for protecting sensitive electronics from fluctuations
✅ Versatile Input & Connectivity:
- Supports PC, QC, and DC input modes
- PC programmable with 6 preset output parameters for quick adjustments
- Multiple connection options: 4mm banana plugs, U-shaped terminals, fine copper wires
✅ Advanced Safety Protection:
Equipped with 8 safety mechanisms, including:
- Overvoltage protection (OVP)
- Overcurrent protection (OCP)
- Short circuit protection (SCP)
- Overheating protection (OTP)
✅ User-Friendly Design:
- 2.8-inch IPS color screen with a 90° flip display for easy multi-angle viewing
- Dual UI display modes: Numerical display & real-time curve display for better power status monitoring
The FNIRSI DPS150 is a powerful, reliable, and portable power supply, perfect for any electronics workbench. Whether you’re a professional engineer or an electronics enthusiast, this smart power supply ensures precision, safety, and ease of use in all your projects! 🚀🔋
2. High Precision DC Programmable Power Supply
The I8 High-Precision DC Regulated Power Supply is a programmable, high-performance lab bench power supply designed for accuracy, efficiency, and portability. Featuring a TFT 320×240 color display with a 360-degree viewing angle, it provides a clear, multi-dimensional numerical readout for precise parameter adjustments.
Integrated chip technology enhances stability and reliability, while its compact, lightweight design ensures easy handling. The dual-sided panel design optimizes both functionality and durability, making it a top-tier choice for professionals and hobbyists alike.
Key Features:
✅ Smart & Efficient Cooling
- Intelligent power control fan for low noise & temperature management
- Ensures longer fan lifespan
✅ Advanced Precision & Control
- Voltage resolution: 10mA | Current resolution: 1mA
- Rotary encoder knob for fine-tuned adjustments
- Directional buttons for precise current & voltage control
- Automatic key output for quick operation
✅ High Power & Programmable Output
- Adjustable DC output: up to 40V / 20A / 300W
- Programmable communication via RS232, RS485, USB
- Can be connected to a PC for remote programming & control
✅ Built-in Safety Protections
- Over-voltage (OVP), over-current (OCP), over-temperature, and overload protection
- Ensures maximum safety for connected devices
✅ Universal Compatibility
- Global voltage support: 110V / 220V
- Available plug types: EU, US, UK
✅ Extra Features
- 5V/2A USB charging port – ideal for mobile device repairs
- Adjustable positive & negative output terminals for flexible connections
The I8 Programmable DC Power Supply is built for precision, reliability, and versatility, making it a must-have tool for laboratories, electronics workbenches, and industrial applications. Upgrade your power supply today! 🚀🔋
3. RD DP50V5A Programmable DC Power Supply
The RD DP50V5A Programmable DC Power Supply is a high-precision, adjustable, and space-saving power source designed for electronics professionals and hobbyists. With a clear digital display, PC connectivity, and advanced safety protections, this power supply is ideal for laboratories, repair stations, and DIY electronics workbenches. Its compact form factor, combined with intelligent control features, makes it an excellent addition to any setup.
Key Features:
✅ Smart & Precise Output Control
- Adjustable DC output: 0-50V / 0-5A
- High-accuracy digital display for real-time monitoring
- Rotary encoder knob for fine voltage & current adjustments
✅ Programmable & PC Connectivity
- Supports communication via USB & PC software
- Enables remote programming & monitoring for precise control
✅ Built-in Safety Protections
- Over-voltage (OVP), over-current (OCP), short-circuit (SCP), and over-temperature protection
- Ensures safe and stable power delivery
✅ Compact & User-Friendly Design
- Lightweight and space-saving for easy workbench integration
- Intuitive button layout for seamless operation
✅ Versatile Applications
- Ideal for electronics testing, circuit debugging, and device repairs
- Perfect for hobbyists, engineers, and lab use
The RD DP50V5A Programmable DC Power Supply combines precision, efficiency, and safety in a compact, affordable package. Whether you’re a professional or a DIY enthusiast, this power supply ensures stable performance for all your projects. Upgrade your workbench today! 🚀🔋
4. KAIWEETS KPS605D Adjustable DC Power Supply
The KAIWEETS KPS605D Adjustable DC Power Supply is a high-performance, precision-regulated power source, perfect for electronics testing, circuit repairs, and laboratory use. Designed for stability, accuracy, and ease of use, this power supply delivers up to 60V and 5A with a clear digital display for real-time monitoring. Its compact, user-friendly design makes it an excellent addition to any workbench or professional lab setup.
Key Features:
✅ High-Precision Adjustable Output
- Voltage range: 0-60V | Current range: 0-5A
- Clear LED display for precise voltage & current readings
- Fine-tune adjustments for accurate output control
✅ Advanced Safety Protections
- Over-voltage (OVP), over-current (OCP), over-temperature, and short-circuit protection
- Ensures stable and safe operation for sensitive electronics
✅ Compact & Efficient Design
- Lightweight and space-saving, perfect for any workbench
- Easy-to-use rotary knobs for seamless adjustments
✅ Versatile Applications
- Ideal for DIY electronics, professional repair work, and laboratory research
- Suitable for hobbyists, engineers, and students
The KAIWEETS KPS605D DC Power Supply is designed to offer precision, reliability, and ease of use at an affordable price. Whether you’re a professional technician or an electronics enthusiast, this power supply is a must-have tool for your workbench. Upgrade your setup today! 🚀🔋
5. Wanptek Laboratory Power Supply
Compact, high-density programmable DC power supplies with adjustable voltage and current. Features include constant pressure and current regulation, over-voltage, over-current, and over-temperature protection. Ideal for various applications, from repairs to lab use, with programmable memory storage for easy settings recall.

Key Features:
- High-Precision Adjustable Output:
Voltage (0-60V) and current (0-5A) with clear LED display for precise readings and fine-tune adjustments. - Advanced Safety Protections:
Includes over-voltage, over-current, over-temperature, and short-circuit protection for safe, stable operation. - Compact & Efficient Design:
Lightweight, space-saving with easy-to-use rotary knobs for seamless adjustments. - Versatile Applications:
Ideal for DIY electronics, repair work, and laboratory research, suitable for hobbyists and professionals alike.
The KAIWEETS KPS605D is the perfect, affordable tool for your workbench.
Summary:
Power supplies are the heart of any workbench, and here are some smart power supplies that stand out as an affordable, reliable choice. With precision, safety features, and compact design, it’s perfect for both professionals and DIY enthusiasts. This versatile power supply is sure to become your go-to tool for all your electronics projects. Find the perfect fit for your needs and elevate your setup today! See you again.
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