Web Controlled 8-Channel Powerstrip
Greetings, fellow Raspberry Pi enthusiasts. We are about to create a multi-purpose gadget that is sure to impress! My primary reason for building this to to control my Christmas lights, …
Read MoreAuthor: Jagadesh Boopathi
555 Timer Based Water Level Controller
Water pump controller senses the level of water in a tank and drives the water pump. The circuit described here is built around timer IC1 (555). When the water level …
Read MoreRemote Control Home Appliances Via SMS using GSM/GPRS Modem
Controlling Home appliances is the interesting thing. You can easily switch ON or OFF using remote with one touch. But it has limitations within range of IR. Here we see …
Read MoreAndroid talks to Arduino via Bluetooth Communication
This project slightly modifies the Google Android sample app called “Bluetooth Chat” so you can type a message in the Android app and that same message will appear on an …
Read MoreBluetooth and 8051Microcontroller Serial (RS232) Interface
Bluetooth is used for short range wireless communication. Bluetooth is a standard wire-replacement communications protocol primarily designed for low power consumption, with a short range (power-class-dependent, but effective ranges vary in …
Read MoreBasic AT commands for GSM Modem
A GSM modem is a wireless modem that works with a GSM wireless network. A wireless modem behaves like a dial-up modem. The main difference between them is that a …
Read MoreHomemade USB interface board using a PIC
This is a USB interface board I’ve built around a PIC 18f4550 microcontroller from Microchip. As many of you probably know, I’ve used my computer’s parallel port to connect many …
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