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Ir Heat-Controlled Kitchen Fan – Circuit Schematic
Ir Heat-Controlled Kitchen Fan
Ql senses IR from heat sources, causes U1 to switch, activates optocopuler Ul, and triggers TR1. This contro...
Telephone-controlled-night-light – Circuit Schematic
Telephone-controlled-night-light
When the telephone rings. or when the handset is lifted, ~the night light is turned on and remains on while the conversation takes place. When the handset is r...
Telephone Light Ringer – Circuit Schematic
Telephone Light Ringer
The circuit shown here is used to switch on a lamp when the tele- phone rings, if the ambient light is insufficient. The circuit uses only two ICs and it can be...
PC interfaced Security System – Circuit Schematic
PC interfaced Security System
Creating a modular, networked, home control system was greatly simplified by using common 4-wire phone cable with stake-on connectors. The cable feeds both powe...
Home Theater with PIC16F870 – Circuit Schematic
Home Theater with PIC16F870
This unit is designed to interface: TV sound, videotape sound, and 5.1 dvd sound to a 4 channel home theater system. It provides the following functions/options...
Door Chime with ATtiny12 – Circuit Schematic
Door Chime with ATtiny12
The device described here does just that. The circuit connects to the doorbell circuit - taking power from the 18 VAC from the doorbell transformer and switchin...
MCU controlled Bluetooth automation – Circuit Schematic
MCU controlled Bluetooth automation
The microcontroller used is 0822 zilog encore! 8k series (soic,28pin) as shown on the figure. Is a programmable microcontroller, the functions used are the GPIO...
Motorized Remote control with ATMEGA328 – Circuit Schematic
Motorized Remote control with ATMEGA328
The project is "Motorized Curtain" with Remote control. It is made up of MCU ATMEGA328 with Arduino BootLoader, motor driver L293D ( i used L293B with external ...
Remote Control Through Internetwith AT89S52 – Circuit Schematic
Remote Control Through Internetwith AT89S52
This project entitled Remote Control Through Internet allows us to monitor, control and automate our home from remote locations. In existing system home automa...
PC home light control system – Circuit Schematic
PC home light control system
This project describes a new economical solution of home light control systems. The presented home light control system can be used for different sophisticated ...
Heating System Thermostat – Circuit Schematic
Heating System Thermostat
This circuit is intended to control a heating system or central heating plan, keeping constant indoor temperature in spite of wide range changes in the outdoor ...
Miniature Real-time Controller – Circuit Schematic
Miniature Real-time Controller
This is my long history the device that controls my home`s night light, air-conditioner,etc. The device is a Miniature Real-time Controller. The circuit uses on...
PC controls light dimmer – Circuit Schematic
PC controls light dimmer
Using the simple circuit in Figure 1, you can control the light intensity in your room or work area from your PC. The heart of the circuit is a low-power D/A co...
Computerize Your Room/House – Circuit Schematic
Computerize Your Room/House
So you`ve read about my Computerized Room or have seen those nifty home automation products advertised in the back of electronics magazines? Or perhaps someone ...