Electronics Hobbies Projects Schematics and Parts List References

The following list below describes the projects that electronics hobbies enthusiasts can put their knowledge of electronics into practical experience by getting the materials themselves and build the projects or simply by getting some closely related projects from off the shelves products.

These projects will be useful for high school students, teachers, colleges and university students, electronics hobbyist and electronics designers. All one needs to know is basic electronics, some know-how of soldering, component identification and the determination to learn.

The following are some of the constructional projects that one can embark on :

Digital Dice Project
This Digital Dice electronic project uses a combination of 555 timer, 7490 decade counter, 7483 4-bit binary adder, 7447 BCD to 7 Segment Decoder in dispaying a random number on the seven segment display once a button is pressed and released.

120 Seconds Message Recorder Project
Record and playback messages up to 120 seconds using Winbond ISD25120 Integrated Circuit.

Alarm and Music Generator Project Using UM66TXXL
This simple electronics circuit utilizes a UM66TXXL TO92 package CMOS IC that generates song depending on the type of IC used.

Melody Music Generation Project
This project based on the M348X IC and is the electronic equivalent of a mechanical music box.

Audio Signal Tracer Circuit
This electronic project schematics function is to enable one to trace an audio signal through a maze of wires running around the house.

Variable Frequency Audio Oscillator Using MC34119 IC
This basic electronic project can be used as a low level alarm generator or a code practice oscillator. It is centred around MC34119 IC which is a low power audio amplifier.

Electronics Hobbies Four Level Voltage Detector Project
This simple circuit using LM339 Comparator can be applied as a bargraph voltmeter.

3 1/2 Digit LED Panel Meter Project
Construct a general purpose 3 1/2 Digit LED Panel Meter Using Intersil 7107 IC with LED Drivers that can be used to measure voltages, currents, and other customized applications.

3 Digit Counter Electronic Project Schematic
Construct a 3 digit counter for general applications using Binary Coded Decimal counter.

Touch Switch And Delay Circuit Project
Construct a touch switch 4 seconds delay circuit using 555 timer IC.

Touch Switch/Contact Switch Circuit
Construct a touch/contact switch using 4011 NAND Gates IC to turn ON and OFF a relay.

Touch Switch Using 4001 IC
Construct a touch/contact switch using 4001 NOR Gates IC to turn ON and OFF a LED.

TTL/CMOS Logic Probe
Construct a TTL/CMOS Logic Probe that is able to examine the logic states at a particular point in an electronic circuit. Schematic and parts list are provided.

Battery Tester Project
Build this dry cell or rechargable battery tester project that is able to determine the charge of the battery. The knowledge of using LM3914 is attained by building this project.

Color Sensor
This electronics hobbies color sensor project from Electronics Zone website is able to sense the color of objects that are placed in front of the convex lenses which in turn feed the light to the light dependent resistor or LDR.