Boost Converter

A boost converter is a DC to DC converter with an output voltage greater than the source voltage. A boost converter is sometimes called a step-up converter since it "steps up" the source voltage. Since power ( ) must be conserved, the output current is lower than the source current.

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Single 18650 LiPo Battery to 5V Boost Converter

“This small board is based on the CS5171 boost converter from ON Semiconductor. The board is configured to be used with a single 18650 LiPo battery. The circuit converts single-cell 3.7V LiPo battery voltage to 5V with a load …

Make Your Own POV LED Globe

“In this project I will show you how I combined a couple steel pieces with an Arduino, an APA102 LED Strip and a Hall effect sensor in order to create a POV (persistence of vision) RGB LED Globe. WIth it …

Transmit and Receive Morse Code Using Light With Arduino and Smartphone’s Camera

“This device allows you to send any message using morse code. (you don’t need to know morse code for this projects) In short: you send morse code with ESP8266 or Arduino and receive it with a smartphone’s camera …

Solar USB Charger

“This 3D printed solar USB charger is inexpensive and easy to make. It’s compatible with almost any device that charges via USB. In direct sunlight it is capable of charging the internal battery at about 500 mah, and can …

Portable 3,3V/5V Power Supply

“In this project I present you the power supply module I use mainly for my ARDUINO projects. Basically the circuit use a 3,7V 1800 mAh Lithium battery connected to a breadboard power supply module This configuration give us a …

Save Water & Money With the Shower Water Monitor

“Which uses more water - a bath or a shower? I was recently thinking about this question, and I realized that I don’t actually know how much water is used when I shower. I know when I’m in the …

Little Flash

“Little Flash runs for twenty minutes, charges in ten seconds. Little Flash is a 3d printed robot powered by ultracapacitors. To prevent getting stuck, she uses a bump switch, motor overcurrent detection and random path adjustments. Little Flash is powered …

Motion Controlled Timelapse

“Timelapses are great! They help us take a look into the slow-moving world which we might forget to appreciate the beauty of it. But sometimes a steady timelapse video can be boring or there are so many things happening around …

Robotic Operated Window Blinds

“This instructable was created in fulfillment of the project requirement of the Makecourse at the University of South Florida (www.makecourse.com). This project is on automated window blinds that can be controlled from your phone via Bluetooth. The system …

Homemade Electric Screwdriver 3D Printed

“Another basic tutorial. The circuit and design is very simple. We havea li-ion battery taht will supply everything. We also have a charging module for that battery. The project uses a DC motor with a high torque gear box so …