Multiple Output Power Source – Dual 10V (+/-10V), 5V DC, 3.3V DC from 9V Battery

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https://www.electronics-lab.com/multiple-output-power-source-dual-10v-10v-5v-dc-3-3v-dc-from-9v-battery/

This is a multiple output power converter module that provides +/-10V (Dual 10V), 5V DC, and 3.3V DC from a 9V PP3 battery. This is a very useful project that has been designed for low-load current applications. Dual +/-10V output from a 9V battery is a key feature of the project. The battery holder can […]

5V Regulator Cap for 9V battery

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https://www.electronics-lab.com/5v-regulator-cap-9v-battery/

David Cook built a 5V regulator to sit atop a 9V battery: For quick portable projects and temporary hacks, it is often faster to reuse a simple 5V regulator circuit than to integrate a power supply into the device design. My toolbox has an LED tester and magnifier light, so why not add a convenient […]

snapVCC – A snap-on regulated 3.3 V/5 V power supply

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https://www.electronics-lab.com/snapvcc-snap-regulated-3-3-v5-v-power-supply/

by Mahesh Venkitachalam @ hackaday.io: I use 9 V batteries for a prototyping a lot of my electronics projects. I was inspired by the Sparkfun breadboard power supply board, and wanted to create something similar, but with a more convenient form factor for use with a 9V battery. The design I came up with, is […]

9 VDC Regulated Power Supply

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https://www.electronics-lab.com/9-vdc-regulated-power-supply/

Tiny low current 9 VDC Regulated Power supply designed around bipolar transistor and zener diode. The circuit is known as series voltage regulator or emitter follower voltage regulator. The unregulated supply fed to input and the circuit regulate the voltage and provide constant 9V DC, 250mA. The zener diode provides the reference voltage to the […]