{"product_id":"30v-5a-bench-dc-power-supply-for-arduino-raspberry","title":"30V 5A Bench DC Power Supply for Arduino, Raspberry Pi \u0026 ESP32 Projects — 4-Digit Dual Display","description":"\u003ch1\u003eSPPS-C305 Adjustable DC Power Supply for Arduino, Raspberry Pi \u0026amp; ESP32 Prototyping\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eKUAIQU SPPS-C305 Adjustable DC Power Supply\u003c\/strong\u003e is a compact and easy-to-use bench power supply designed for \u003cstrong\u003eArduino, Raspberry Pi, ESP32, and other embedded electronics prototyping projects\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhether you are powering a new development board, testing sensors and modules, debugging circuits, or evaluating power consumption, the SPPS-C305 provides \u003cstrong\u003eprecise voltage\/current adjustment and clear real-time readings\u003c\/strong\u003e in a compact desktop design.\u003c\/p\u003e\n\u003ch2\u003eBuilt for Electronics Prototyping \u0026amp; Development\u003c\/h2\u003e\n\u003cp\u003eFrom your first breadboard prototype to embedded system debugging, the SPPS-C305 provides a convenient power source for development work.\u003c\/p\u003e\n\u003ch3\u003eIdeal for:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eArduino prototyping and circuit development\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRaspberry Pi development and peripheral testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eESP32 \/ ESP8266 IoT prototyping\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensor and module testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBreadboard circuit development\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMicrocontroller power testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLED and small electronic device testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEmbedded electronics debugging\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDIY electronics projects and STEM education\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePrecise Voltage \u0026amp; Current Adjustment\u003c\/h2\u003e\n\u003cp\u003eThe SPPS-C305 uses \u003cstrong\u003edual-knob encoders\u003c\/strong\u003e for smooth and precise parameter adjustment.\u003c\/p\u003e\n\u003cp\u003eThe intuitive control design makes it easy to quickly set the required voltage and current during prototyping, testing, and debugging.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDual-knob encoder control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth and precise adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable voltage and current output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for repeated testing and development work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eClear 4-Digit Digital Display\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003e4-digit LED display\u003c\/strong\u003e provides clear numerical readings, allowing you to monitor the power supplied to your prototype in real time.\u003c\/p\u003e\n\u003cp\u003eThe display provides information including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eVoltage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCurrent\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes it easier to observe changes in power consumption while testing Arduino boards, Raspberry Pi peripherals, ESP32 modules, sensors, and other electronic circuits.\u003c\/p\u003e\n\u003ch2\u003eSafer Power Control for Prototyping\u003c\/h2\u003e\n\u003cp\u003eThe SPPS-C305 features independent \u003cstrong\u003ePower\u003c\/strong\u003e and \u003cstrong\u003eOutput\u003c\/strong\u003e switches.\u003c\/p\u003e\n\u003cp\u003eThe output switch allows you to turn the DC output on or off without repeatedly adjusting the power supply settings.\u003c\/p\u003e\n\u003cp\u003eThis is especially convenient when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eConnecting or replacing development boards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTesting different prototype circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDebugging wiring or components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRepeatedly powering electronic modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompact Power Supply for Your Workbench\u003c\/h2\u003e\n\u003cp\u003eDesigned with \u003cstrong\u003ehigh power density\u003c\/strong\u003e, the SPPS-C305 delivers useful bench power capability without taking up unnecessary workspace.\u003c\/p\u003e\n\u003cp\u003eIts compact and lightweight design makes it suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eElectronics workbenches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaker spaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngineering labs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSchool laboratories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePortable development setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIY electronics workstations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e5V USB Output for Development Accessories\u003c\/h2\u003e\n\u003cp\u003eIn addition to the main adjustable DC output, the SPPS-C305 provides a \u003cstrong\u003e5V \/ 2A USB output\u003c\/strong\u003e for powering compatible USB devices and development accessories.\u003c\/p\u003e\n\u003cp\u003eThis can be useful when working with development boards, USB-powered modules, sensors, and other low-voltage accessories.\u003c\/p\u003e\n\u003ch2\u003eTemperature-Controlled Cooling\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003etemperature-controlled fan\u003c\/strong\u003e automatically adjusts cooling according to the operating condition.\u003c\/p\u003e\n\u003cp\u003eThis helps maintain reliable operation while reducing unnecessary fan noise during lighter workloads.\u003c\/p\u003e\n\u003cp\u003eCombined with a low-noise design, the SPPS-C305 is suitable for longer development and testing sessions.\u003c\/p\u003e\n\u003ch2\u003eFrom Prototype to Debugging\u003c\/h2\u003e\n\u003cp\u003eThe SPPS-C305 is designed to support the complete prototyping workflow:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower → Prototype → Test → Debug → Refine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse it to provide controlled power to your development board, monitor current consumption, test different operating conditions, and troubleshoot your circuit during development.\u003c\/p\u003e\n\u003ch3\u003eExample Applications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eArduino Projects\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePower Arduino boards, sensors, motors, displays, communication modules, and other peripherals during prototype development and testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaspberry Pi Development\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProvide a controlled power source for Raspberry Pi projects and test connected peripherals, modules, and custom circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eESP32 \/ IoT Prototyping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIdeal for ESP32-based IoT projects involving sensors, wireless modules, displays, relays, and other external components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmbedded Circuit Debugging\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMonitor voltage, current, and power while testing prototype boards and troubleshooting unexpected power consumption.\u003c\/p\u003e\n\u003ch2\u003eReliable Design \u0026amp; Certifications\u003c\/h2\u003e\n\u003cp\u003eThe SPPS-C305 is designed for reliable everyday use in electronics development and testing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCE certified\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eISO 9001 certified\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature-controlled cooling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-noise operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong service life design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose SPPS-C305?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCompact. 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