ajoyraman

ajoyraman

Bangalore, India   Joined November 15th, 2011
42 Instructables   790,276 Views   319 Comments   470 Followers

I am a retired Electronic Systems Engineer now pursuing my hobbies full time. I share what I do especially with the world wide student community.

Instructables

Use a Classic Ding-Dong Bell With a Novel Modification to Activate Another Wireless Bell. Ringing Two Bells With One Switch and Added Range Extension

Use a Classic Ding-Dong Bell With a Novel Modification to Activate Another Wireless Bell. Ringing Two Bells With One Switch and Added Range Extension

202 Views, 2 Favorites
USB Type C-Female to USB Type A-Female Adaptor

USB Type C-Female to USB Type A-Female Adaptor

45 Views, 2 Favorites
ATtiny-85 Bi-Polar Tracking Programmable Reference Voltage Source

ATtiny-85 Bi-Polar Tracking Programmable Reference Voltage Source

171 Views, 3 Favorites
Custom Little Boxes

Custom Little Boxes

261 Views, 5 Favorites
Upgraded DDS Signal Generator From Arduino to STM32 Black-Pill Is Very Fast

Upgraded DDS Signal Generator From Arduino to STM32 Black-Pill Is Very Fast

2.1K Views, 5 Favorites
Inverted (upside-down) Bucket, Curd Incubator

Inverted (upside-down) Bucket, Curd Incubator

524 Views, 3 Favorites
Oscilloscope Booster-Pack for the TI C2000 Piccolo LaunchPad

Oscilloscope Booster-Pack for the TI C2000 Piccolo LaunchPad

1.7K Views, 13 Favorites
Linear-Feedback Shift Register

Linear-Feedback Shift Register

1.5K Views, 2 Favorites
Magnetic Horizontal Water Level Switch

Magnetic Horizontal Water Level Switch

1.3K Views, 9 Favorites
Ultrasonic Mono Pulse Tracker

Ultrasonic Mono Pulse Tracker

3.5K Views, 25 Favorites
Pinhole Reading Assist

Pinhole Reading Assist

1.7K Views, 11 Favorites
Arduino Analog Ultrasonic Radar

Arduino Analog Ultrasonic Radar

6.6K Views, 11 Favorites
FLUIDIC RATE SENSOR

FLUIDIC RATE SENSOR

1.6K Views, 7 Favorites
Android On-The-Go (OTG) LC-Meter

Android On-The-Go (OTG) LC-Meter

4.2K Views, 10 Favorites
USB Powered Electric Shaver

USB Powered Electric Shaver

3.6K Views, 1 Favorites
Android OTG Development Interface

Android OTG Development Interface

6.5K Views, 45 Favorites
Arduino Uno DDS Audio Signal Generator

Arduino Uno DDS Audio Signal Generator

10K Views, 40 Favorites
Simple DIY Electronic Enclosure

Simple DIY Electronic Enclosure

11K Views, 39 Favorites
Extend Defective Fluorescent Tube-Light Life

Extend Defective Fluorescent Tube-Light Life

70K Views, 154 Favorites
COMMUTATOR BASED DIRECTION INDICATOR

COMMUTATOR BASED DIRECTION INDICATOR

6.2K Views, 36 Favorites
Z Fold Display Board Standee

Z Fold Display Board Standee

2.4K Views, 13 Favorites
Current Pulsing Keeps Power Bank Active

Current Pulsing Keeps Power Bank Active

21K Views, 33 Favorites
DIY Double-Sided Fine-Pitch PCB's

DIY Double-Sided Fine-Pitch PCB's

2.1K Views, 26 Favorites
10 Resistor Arduino Waveform Generator

10 Resistor Arduino Waveform Generator

31K Views, 137 Favorites
Pencil Box Triple Output Power Supply

Pencil Box Triple Output Power Supply

3.8K Views, 63 Favorites
Long Range Ultrasonic Distance Sensor

Long Range Ultrasonic Distance Sensor

53K Views, 161 Favorites
HDD Circular Chart Recorder

HDD Circular Chart Recorder

6.2K Views, 36 Favorites
Kitchen Shelf Reconditioned

Kitchen Shelf Reconditioned

1.7K Views, 12 Favorites
Odds and Ends - Interlocked Shelf

Odds and Ends - Interlocked Shelf

4.5K Views, 94 Favorites
Electronic Ballast

Electronic Ballast

27K Views, 42 Favorites
Cycling Trouser Clips

Cycling Trouser Clips

8.4K Views, 45 Favorites
USB-ZRLC-TWEEZERS

USB-ZRLC-TWEEZERS

11K Views, 60 Favorites
Halogen Bounce Light

Halogen Bounce Light

1.8K Views, 11 Favorites
COMPACT-CAR-BATTERY-TESTER-ANALYZER-INDICATOR

COMPACT-CAR-BATTERY-TESTER-ANALYZER-INDICATOR

16K Views, 124 Favorites
PC Sound-Card Signal-Generator-Interface

PC Sound-Card Signal-Generator-Interface

25K Views, 45 Favorites
DIY - USB OSCILLOSCOPE IN a MATCHBOX

DIY - USB OSCILLOSCOPE IN a MATCHBOX

314K Views, 812 Favorites
Prize Cups for Kids

Prize Cups for Kids

942 Views, 1 Favorites
Analog Experiments Anywhere

Analog Experiments Anywhere

11K Views, 25 Favorites
Universal Analog Hardware Testbench

Universal Analog Hardware Testbench

23K Views, 110 Favorites
PC SOUND-CARD SCOPE INTERFACE FACILITATES DC RESTORATION

PC SOUND-CARD SCOPE INTERFACE FACILITATES DC RESTORATION

62K Views, 131 Favorites
MAKE CUSTOM INSTRUMENT LABELS

MAKE CUSTOM INSTRUMENT LABELS

15K Views, 48 Favorites
ADJUSTABLE PCB VICE

ADJUSTABLE PCB VICE

10K Views, 35 Favorites