7/2/2023 0 Comments Torchlight ii engineer builds![]() It is a regular feature in air-conditioners, room heaters, and refrigerators. Thermostat for FridgeĪ thermostat is standard equipment for sensing the temperature of a system and maintaining it at a pre-defined point. This mini project is available at PIN Diode Based Fire Sensor 12. In this circuit, a sensitive PIN diode is used as a fire sensor for longer-range fire detection. Thermistor-based fire alarms work well when the thermistor is in close vicinity. This mini project is an ultra-sensitive fire sensor that activates an alarm when it detects fire. This mini project is available at Sonar Water-Level Meter 11. Whereas this next system is contactless resulting in no such problems. Earlier systems used metal which got rusted over time. This project helps you in designing a water level meter to check up on the amount of water in the tank. This project is available at Electronic Fuse 10. The given electronic fuse circuit is based on a poly-fuse application, which is a re-settable fuse by itself. The voltage drop across the sensor resistor is weighed to activate the protection circuit. Most power-supply protection circuits use a low-value, high-wattage resistor connected in series with the load for current sensing. The power supply should be regulated and protected against short circuits. Electronic FuseĪn absolute necessity of every electronics lab is a workbench power supply. The project is available at Doorbell cum visitor counter 9. This doorbell cum visitor indicator circuit can give identification of the visitor to your home in your absence. This project is available at Automatic off-timer for CD players 8. Automatic Off Timer For CD Players circuit Unlike the usual timers, you don’t have to set this timer before sleeping. In the presence of ambient light, or when you switch on the light of the room in the morning, the CD player will restart playing. This automatic off-timer starts functioning when you switch off your bedroom light and turn your CD player ‘off’ after a predetermined time. This project is available at Geyser timer 7. The circuit comprises a timer IC 555 wired as an astable multivibrator with an adjustable time period of 15 seconds. This geyser timer circuit sounds an alarm after the set timing of 22 minutes when the water is heated up. This mini project is available at Low-Cost LPG Leakage Detector 6. The next time there is a leakage, you can easily be on top of things. This mini project is for a low-cost circuit for an LPG detector that you can build easily. This project is available at Low power inverter 5. ![]() It can be used to power light loads like window chargers and night lamps, or simply give a shock to keep intruders away. ![]() ![]() Here is a simple low-power inverter that converts 12V DC into 230-250V AC. This mini project is available at: PC-Based GPS Receiver 4. This project designs a system that connects a GPS module to a PC com port, which enables you to use the navigation on a PC. If working with ATmega gets too much for you, we have an alternative as well. This mini project is available at: ATmega16A Based GPS Receiver 3. Based on ATmega 16A, this uses a GPS receiver. This electronics mini-project idea might be something to get your hands on. This mini project is available at: Make Your Own Dual-Voltage Rechargeable Torch LightLine Follower 2. Circuit Diagram for Dual-Voltage Rechargeable Torch Light Line Follower The purpose of this circuit is to create a new topology with a good power factor maintained at AC voltage input, to provide good efficiency output to the battery, and to increase its life. Battery-Discharge Measurement Circuit 43. Sequential Timer for DC Motor Control 34. This Stereo Amplifier Is Simple To Make 15. ![]()
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