In this post we will be learning how to interface Nokia 5110 display with arduino microcontroller and how to display some text, we will also be constructing a simple digital clock and finally we will be exploring graphical capabilities of the Nokia 5110 display. Nokia was the most popular mobile phone brand across the globe […]
Cellphone
Cellphone Controlled Dog Feeder Circuit
A cellphone controlled dog feeder is feeding system for pets and animals which allows a remote controlled refilling of food in the container of the feeder by the owner, without physically attending the place. A GSM module and Arduino based dog feeder circuit is discussed in this post. The system can be used for operating […]
Cellphone RF Triggered Car Amplifier Auto-Mute Circuit
The following article presents a circuit design which would mute your car amplifier music the moment it detects a cellphone call inside the car, enabling an automatic muting during the situations, and saving the user from the manual hassles. A loud music could be a nuisance while a phone call is being attended or dialed. […]
Charging a Cellphone battery with a Laptop Battery
The post presents a simple circuit that may be used for charging a cellphone battery with a laptop battery. The idea was requested by Mr. Gyashuddin. Recharging Cellphone Battery with Laptop Battery hello sir my self md gyashuddin I want to know that it is passible to built a circuit which can ,recharge my cell […]
Solar Cellphone Charger Circuit
The article comprehensively discusses a MPPT based smart solar cell phone charger circuit. The idea was requested by one of the avid readers of this blog. Technical Specifications I am an electric and electronics final year student. My final year project title is smart solar charger for cellular phones. i was hoping sir can help […]
Cellphone Charger Circuit Using Pendulum Generator
This pendulum electricity generator can be used in villages for charging cellphones free of cost just by applying momentary pushes to the pendulum frequently or as desired throughout the day. Pendulum as Free Electricity Generator In one of my previous articles I explained about the high efficiency value of a pendulum mechanism, and how it […]