Powering my projects can be a challenge. This may be my future go-to solution...
In this tutorial we will learn how simple it is to use Arduino 4 channel Relay Shield to control a 12V light bulb.
How to use the ACS712 Current Sensor with Visuino and Arduino to measure both AC & DC currents and show the values in Amps on the display.
I introduced an AC-to-DC flyback Switching power supply that converts 85V-260VAC to 5VDC-2.5A
Simple do-it-yourself construction, cool features
Learn about the nPM1100 Power Management IC to see how you could lower your project's power consumption in a small footprint.
Very simple isolated linear power supply that cat be used to power up your projects.
Currently on the WE MARS student design team we have the goal of pushing the boundaries on the hardware we implement.
Simple power supply for Eurorack module prototyping
Explore our online simulation of the Simple Push-Pull Follower—a hands-on project showcasing key concepts in electronic circuits.
Learn how to use the INA219 DC Current Sensor with Visuino and Arduino to measure and display current in real time!
Charge your APPLE pencil anytime anywhere this small pocket charger. Plug and charge! With onboard charge control, boost and charge detect.
What started as a regular AA battery turned into a 470Wh giant Duracell built completely from scratch.
PFC is a technique for increasing the power of a load, making the current drawn from the utility more closely align with the voltage wavefo
PSU-EXT: open-source module that turns any bench PSU into a remote-controlled, scriptable instrument — no new hardware needed.
USB-C PD Selects the Voltage from 5V to 20V at the Press of a Button with CH224K + CH32V003 RISC-V
In this Visuino project, you will learn how to use ESP32 Deep Sleep mode to drastically reduce power consumption.
When working for the Repair Café and on electronics projects, the question always arises: How fit is this battery?
Build a ₹1, 500 capacitor-discharge spot welder powered by a reusable 3S LiPo — plug it in, weld, then unplug for your next project.
Children love surprises, e.g. a "miracle box" that plays a melody as if By magic. The Jukebox from the Wunderkiste knows many melodies.
ESP32-based smart energy monitoring system featuring real-time voltage, current, power, and energy measurement with Firebase cloud
A pocket-sized 1.25V–10V bench supply with USB output, banana jacks, and 2+ hours of battery backup — built for field electronics testing.
Humanix Tech Lab's pocket power station tests e-waste & scrap electronics on the spot — AC, variable DC, and 12V, all in one 794g device.
Controlled by LM317 & Boosted by 2N3055 Pass Transistors
