Display memes, cartoons, and photos to your keys or bag with eChain: a smart ePaper tag that lasts weeks on a single charge!
Long-range wireless sensor based on Whisper Node capable of running for over a year on a single CR2032, transmitting data every 60 seconds.
A realtime battery indicator for your project without extra components or using any analog I/Os.
What if we built a small weather station lasting for about 6 months with 2x AA, talking to Internet and working anywhere with SIGFOX?
An Arduino powered birthday reminder device that will wish you on your birthday for 50 years on a single CR2450 coin cell.
Turn a TI BQ9003-based intelligent battery into a useful engineering data source. This project uses a CP2112 USB-to-SMBus bridge and Python.
A water bottle that can keep track of your water intake and reminds you to drink enough water.
This battery charger monitor uses an OLED display & Blynk to show you its charge current, bus voltage, load voltage & elapsed time.
Power management for portable Arduino projects.
Twice the power, Twice the capacity to power your Pi.
Protect lithium polymer battery pack from over discharge.
Yes, yet another weather station. But this one is special! It connects to your WiFi and it can run for more than a year on 2 AA batteries!
A PCB Device that converts DC voltages to AC voltages to provide power to electronic devices.
This project is all about making a power inverter using arduino. The Inverter produces 220VAC from 12V battery.
This tester can be used for NiCd, NiMh, and all flavors of Li-Ion rechargeables.
Charge up with 5 volts then use it to power up 9v gadgets with the build-in circuit. Same capacity, same voltage, better technology...
With so many tab welders in the market, Fellow DIYers are wondering, do the cheap welders work? In this video, we will Test one and see
Introduction Hello geeks, welcome back to. In this article, we are going to teach you a very interesting project that is how to
In this project I tried to overcome a very common issue while working on a portable electronics project. That is how to power my circuits
This project demonstrates the use of MAX32620FTHR for replacement of Arduino in a smart robot car.
A big and heavy alarm clock made from an old tea can, a big red button and a few other parts.
Put together the famous NatureBytes Wildlife Cam Case so that it runs a Raspberry Pi completely off grid running off the PiJuice.
12v Solar Generator using a Victron BlueSolar MPPT 75/15 Solar Charge Regulator & Arduino-based GUI for Info Display.
Arduino Nano or ATTiny85 sounds a buzzer if the Tesla is in the garage for more than 30 minutes without being plugged in.
