Voltage control devices create stable supply rails from fluctuating sources and are essential for powering microcontrollers, sensors, actuators and small motor drivers in robotics and embedded projects. They’re designed to work with common power sources such as batteries, USB, and regulated rails, and they come in compact formats suitable for dense boards or breadboard prototyping.
Regulators fall into step-up, step-down, or buck-boost topologies, with outputs that can be fixed or adjustable. Many units include protections and indicators for reliable operation, while switching types prioritise efficiency and thermal performance and linear types favour simplicity. Packages range from tiny surface‑mount modules to larger through‑hole styles, making integration straightforward on power rails and boards.
Projects value matching input and load conditions with compatible voltages, reliability under varying temperatures, and straightforward integration. Differentiation comes from topology, protection features, efficiency, size, and how easily they integrate with existing rails and controllers.
Code: SKU-004152
This Digital LED Voltmeter measures the voltage at a particular point of the system it has been hooked up to and then provides a readout on its three 7-segment LEDs. This voltmeter is able to provide a readout of voltages from 2.5VDC to 30VDC within a 1% accuracy. More Details...
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Code: SKU-005574
The SparkFun Nano Power Timer will run while only consuming minimal power (approximately 35nA) and turn your project on after a set amount of time. More Details...
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Code: SKU-010710
The SparkFun Soft Power Switch is a passive, hard on/off switch with software feedback and control via USB-C connectors. More Details...
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Code: SKU-000066
This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. More Details...
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Code: SKU-000067
This is the LM317TG voltage regulator a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This adjustable regulator provides a local regulation internal current limiting thermal shut-down control and safe area protection for your project. More Details...
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Code: SKU-011153
The IRF7509 is a very common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with most 5V microcontroller or mechanical switches. This allows you to control high-power devices with very low-power control mechanisms. More Details...
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Code: SKU-011072
This is a common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with any 3-5V microcontroller or mechanical switch. More Details...
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Code: SKU-011260
A 30V, 3.8A logic-level P-Channel MOSFET in a SOT-23 package, featuring low on-resistance and direct compatibility with 3.3V/5V microcontrollers. More Details...
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Code: SKU-011171
This is a common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with any 3-5V microcontroller or mechanical switch. This allows you to control high-power devices with very low-power control mechanisms. More Details...
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Code: SKU-010289
This is a common MOSFET with very low on-resistance and a control voltage (aka gate voltage) that is compatible with any 3-5V microcontroller. More Details...
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