Projects
- AC-3 Decoder
- LED main light with section and lux controller
- Power meter
- Current meter
- Automated plant watering
- LED charging light – [Done] – As this is very small project I did not created any page for this.
- OBD for Bike
- OBD for Car
- GPS Tracking for Vehicle
- POV clock and message display board
- (Infrared)Touch Screen to fit any Size
- Clock through mirror
- LED mirror light
- Video Camera Stabilizer
- Surveillance Camera for Home
- Laser Engraver
- Digital puzzle blocks like Siftable.
- Video Door Phone
- Drawer Robot
- Wall Plotter
- …
Old projects – Some are completed, some are abandoned. These were planned and done years back, hence no pages were added.
- FM Mic – [Done]
- EPROM Emulator – [Done] – Let me post some images as I still have this.
- EPROM Programmer – [Done] – Let me post some images as I still have this.
- LED – 230v Bed lamp – [Done]
- AVR development kit – [Done] – Bought ready made kit as well.
- I2C Parallel Port adapter – [Done]
- Single chip main supply (305 Circuits – 071, 308 Circuits 173/214)
- Mains switch with timer
- Digital Mains voltage monitor
- Digital Audio Selector/Switch
- Electronics Safe locker with Digital lock
- AVR Parallel Port programmer
- CD/DVD recorder directly from Mic, Line-In
Very old projects that I have completed very long back [All are Done]
- Musical sound generators using UM356x and with multiple ICs.
- Calling bell for home with different musical sounds.
- Metronome.
- Clap Switch.
- Fixed and Regulated power supplies.
- AM and FM audio transmitters.
- AM and FM receivers with discrete components and with ICs as well.
- SSB decoder for my existing AM radio receiver.
- Audio Tape Player.
- Audio Tape Recorder.
- Audio Tone controller(Bass, Mid-range, Treble etc).
- 5-Band Audio Graphic Equalizer.
- Lot of audio amplifiers – With discrete components and with ICs as well.
- Speaker cross-over network circuits.
- Audio level indicator with LEDs and VU meter.
- Digital Frequency counter(With discrete logic gates, no Microcontroller).
- Digital Frequency generator(With discrete logic gates, no Microcontroller).
- Digital clocks with 7-Segments displays.
- Temperature display using LM35 and microcrontrolle.
- Electromechanical volume control with discrete logic gates;ex:4013, 4017, stepper motor(No Microcontroller).
- Morse code generator.
- Lot of stuff with LEDs.
- AC powered Blue colored LED lamp which consumes less than a watt. It is in active and always ON state since 2002 and still running even now in 2015.
- MCS51 development board using Static RAM as EPROM – I had also written a companion IDE in Visual Basic and Visual C++. This IDE will compile the code and burn the code into the target hardware.
- EPROM emulator using Static RAM.
- EPROM eraser.
- EPROM Reader and Burner.
- …
NOTE: Once a project is started and added respective page to Projects menu, remove the project item from the above list.
Tools to procure/DIY
- Flexible Table Lamp with Magnifier
- Flexible long arms holder for mobile
- Third Hand
- Wood cutter, polisher tool
- Metal cutter, polisher tool
- SMD Soldering Station
- Hot Air-Gun
- Digital/Laser Protractor
- Dust Respirator Mask
- Rounded Saw File
- Microscope
- Laminating machine – [Bought]
- Chisel – [Bought]
- Safety Goggles – [Bought]
- Glue Gun – [Bought]
- Hex Key Set – [Bought]
- Triangle Saw File – [Bought]
- Right Angle tool with supporting edge – [Bought]
- Vise – [Bought]
- Bosch drilling machine – [Bought]
- Vernier Caliper – [Bought]
- Carving Knife(ex: X-Acto-knife) – [Bought]
- ESD safe Tweezer – [Bought]
- Logic Analyzer – [Started – DIY – See Projects page]
- Mixed signal DSO – [Started – DIY – See Projects page]
- PCB Power Drilling Machine – [Started – DIY – See Projects page]
- Bosch Angle Grinder or Multi-cutter – [Plan dropped for now]
- …
NOTE: Once an item is procured or started DIY move the item to bottom of the list.
Awesome Harish… Great work. Keep going..