A simple and inexpensive solution is to use a 'mobile power bank'
After you read this post, your projects will never run out of power after a power outage.
First test of a separate Power Supply Module 3.3V and 5V.
This is an enclosure for the Omega that includes space for a regulator circuit and batteries.
A spiffy new benchtop power supply from a junked PC and an ATX breakout board.
Convert smbs to lab bench power supply. SMPS or switched mode power supply is an electronics device that is used to convert AC to DC.
A beginner's guide to start working on breadboard. Breadboard power stage.
A very simple 12V battery backup circuit with a 9V regulated output for powering electronics in an event of a power cut.
Hi everybody! Im sick and tired of all these small and ugly powerbanks that doesnt have capacity enough to even charge your cellphone once.
Lots of makers find themselves running out of space quite quickly, this mini power supply helps solve this issue.
AC Line frequency (50Hz / 60Hz) has small fluctuations in the short term, but is compensated daily resulting in a quite accurate reference.
An on/off switch for Raspberry Pi using a Trinket and a PowerBoost 1000 (from Adafruit).