Managing tcsh history across machines
A robust solution for maintaining command history across multiple terminals and machines.
tinkering
69 posts
Skimming Logs Faster: A Custom Vim Syntax for Verification Engineers
Laptop hinge repair guide
YouTube TV using the Raspberry Pi on Raspberry Pi OS with HDMI-CEC
Atomberg Gorilla Efficio BLDC fan IR remote codes
ECG Analog Front End Design
How to fix SE error on a Samsung Microwave Oven?
ECG Heart rate monitor using Particle Photon
Search through all pdfs in a folder using Python
List of Open Source VLSI EDA tools
How to batch convert ppt files to pdf
Time operated switch using Particle Photon
Laptop at stake!
Auto-charging for Wireless dongles
Anki LaTeX Helper using AutoHotkey
My Experiments with ROS
Emojis in Anki to enhance learning - using AutoHotkey
Unboxing the TI-MSP430F5529
Custom power supply for the Raspberry pi
Variable frequency PWM generator
A DVD player at stake!
It was time to bid goodbye to an old [Phillips DVD player](https://www.philips.com.sg/c-p/DVP3146K_98/divx-playback).
Basic Linux terminal commands
Using custom firmware on a WiFi router
SONY's flawed TV remote design
JioFi WiFi dongle range extender
Li-ion Battery Charger PCB design
Making a Li-ion battery charger
Get custom scaled ECG values
Generating ECG/EEG signals with a microcontroller
Thoughts on the Yihua 936 Soldering station
How to crop out a sub-image from the center of an image in MATLAB
3-D printed Anki Box for doing Anki flashcards
Keysight U1231A Multimeter review
Vintage CASIO Math Pet MP-500 teardown
Refilling lead acid batteries
WiFi RSSI testing
Today I'm going to test three different WiFi products and see if there is any difference between them.
Does changing the tire diameter mess up the odometer?
Electronic Junk - What to salvage and what to leave for good?
ECG references guide
Aerolve - The OSHW solution to air-pollution
An open source solution to air-pollution.
ECG sources for PSPICE, LTSPICE, TINA, Multisim
Filter design: Resources, tools, C/C++ code
ECG QRS detection C/Python/Matlab code
Todoist task tracker using Node MCU and IFTTT
 Another weekend project. This shows me the number of tasks I've pending to complete in a day. This should help me reach #TodoistZero quicker everyday. I soldered the resistors and the sevensegment display directly onto the Node MCU Amica ( just for the sake of making it compact...it does look messy though).
Essential Particle CLI commands
GATE Offline Calculator for Windows (.exe)
Transcend Storejet250 HDD at stake!
Laptop Battery at stake!
A must have root app for limiting charging
Arduino workarounds and tips
Simple Medication Tracking: using ATTINY85
 Link to the project : [https://www.instructables.com/id/Goal-Habit-Medication-Tracker-Using-ATTINY85/](https://www.instructables.com/id/Goal-Habit-Medication-Tracker-Using-ATTINY85/)
Capacitive sensing slider timer
⚠️ This is still a work in progress ⚠️
The Particle Photon
I just got a Particle Photon board to play around with.
A Tablet at stake!
There was this old broken tablet lying around and one day I decided to do a postmortal analysis on it.
Learning - the Electrical Stack Exchange way
Inventory management for all your electronic components
Have you searched hours for ICs you never bought or have the bad habit of buying components thinking that you don't have it? I've gone through both.🤷♂
Using ammonia sensor - MQ137 to detect when a toilet needs cleaning?
A simpler PSoC CapSense Proximity switch example
Playing with the Hardware connections of the CY8CKIT-043 PSoC® 4 M-Series Prototyping Kit
Internal hardware connections are still something I can't wrap my head around.
Getting started with the CY8CKIT-043 PSoC 4® M-Series Prototyping Kit
I know it sounds like a " **Getting started with Windows XP** " guide in 2018. 😅 You gotta do with the little you have (or more like..you gotta start with the primitive ones first).{{ double-space-with-newline }} So you may ask....Why this sudden urge to start using this?
The Big List of resources for every Electronics hobbyist
Making an ISP programmer for the ATTINY85
 Setting up a circuit every time you need to burn something into the Attiny85 is so cumbersome. So I decided to make a shield to get the job done easily. I sought help from a lot of online references to go about making this shield.Here the full instructions:
Screenshots aren't actually 'screen'shots
Screenshots play a vital role in our day to day lives be it in the form of stealing memes/status updates, storing evidence, getting help etc.
Basketball Score Display System
 So this is like our department's group project. As always I'll be documenting all the things that I learned from working on this project.
Adaptive Delta Modulation - PSPICE
Adaptive delta modulation is used to improve the efficiency of the delta modulator by varying the **Δ** and step duration.
Delta modulation circuit - PSPICE model
The basic modulation systems (like AM or FM) modulate the carrier signal's properties continuously based on the changing values of the message signal.
A POV data display using ATTINY85 and charlieplexing
**_This post is still a work in progress_** Our lab coursework in college requires everyone to build a simple project on any microcontroller and which uses interfacing of some I/O devices like a relay, Tx-Rx, temperature sensor etc.
Experiments with MS Excel: Effects of Bandlimiting - Triangular Waveform
I used the following expression for a triangular waveform to first generate the waveform mathematically and then try and remove the higher harmonics to band limit the signal and study the effect band-limiting had on the shape of the signal.
Experiments with MS Excel: Effects of Bandlimiting - Sawtooth Waveform
I used the following expression for a [sawtooth waveform](https://en.wikipedia.org/wiki/Sawtooth_wave) to first generate the waveform mathematically and then try and remove the higher harmonics to band limit the signal and study the effect band-limiting had on the shape of the signal.