Long-range wireless sensor based on Whisper Node capable of running for over a year on a single CR2032, transmitting data every 60 seconds.
Project showcase by Talk2
A realtime battery indicator for your project without extra components or using any analog I/Os.
Project showcase by Arduino World
What if we built a small weather station lasting for about 6 months with 2x AA, talking to Internet and working anywhere with SIGFOX?
Project tutorial by Antoine de Chassey
An Arduino powered birthday reminder device that'll wish you happy birthday for 50 years on a single CR2450 coin cell.
Project tutorial by Vishnu M Aiea
Power management for portable Arduino projects.
Project tutorial by craic
A water bottle that can keep track of your water intake and reminds you to drink enough water.
Project tutorial by Md. Khairul Alam
See how much battery you have left!
Project showcase by Arduino_Genuino
A simple and inexpensive solution is to use a 'mobile power bank'
by Giovanni Carrera
This project is all about making a power inverter using arduino. The Inverter produces 220VAC from 12V battery.
Project tutorial by Team Shailza
A functional mobile phone made with Arduino
Project tutorial by ye xiaobo
A big and heavy alarm clock made from an old tea can, a big red button and a few other parts.
Project showcase by Insight Machines Laboratory
This tester can be used for NiCd, NiMh, and all flavors of Li-Ion rechargeables.
Project showcase by sim-flynn-13
A robot which is controlled by an HC-05 module and receives commands using a Bluetooth terminal app.
Project showcase by Chandran N
This is a project for a little self-driving robot that avoids things. It roams around randomly and sleeps too.
Project showcase by Mitch K
Say goodbye to ice cubes and automatically cool your pet's water dish.
Project tutorial by Mitomon
Electric vehicles are new enough to wonder, how long will they last? This is not a simple question, because it depends on a lot of things.
Project tutorial by George Kartsonas
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