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Kerry D. Wong

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Tag: 555

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Dual Purpose Spot Welder With Pulse Duration Control

June 18, 2017 kwong49 Comments on Dual Purpose Spot Welder With Pulse Duration Control

I had wanted to make a spot welder for a while. Most of the DIY spot welders use a momentary […]

Electronics 555, BTA41, MOC3061, Spot Welder, Tab Welder, TRIAC

Datum/Symmetricom 8040 Rubidium Standard Modifications

March 11, 2017 kwong2 Comments on Datum/Symmetricom 8040 Rubidium Standard Modifications

Last time, I did a teardown of the Datum 8040 Rudidium standard. As I discussed, the 8040 has a 1PPS […]

Electronics 555, 74HC123, 8040, Datum, monostable, Multivibrator, Symmetricom

Hacking Your Mouse for Rapid Firing

December 24, 2016 kwong3 Comments on Hacking Your Mouse for Rapid Firing

In this blog post, I will show you a simple hardware hack to make your mouse capable of rapid firing […]

Electronics 555, Continuous Click, Hack, Mod, Mouse, Rapid Firing

VFD Filament Driver Using 555

June 5, 2013June 13, 2013 kwong32 Comments on VFD Filament Driver Using 555

I recently salvaged a vacuum fluorescent display (VFD) from a piece of old test gear. The VFD is a 13 […]

Electronics 13-MT-54NA, 555, Filament Driver, Vacuum Fluorescent Display, VFD

Advanced Slave Camera Flash Controller

November 23, 2012 kwong9 Comments on Advanced Slave Camera Flash Controller

Simple slave camera flash (or synchronous flash, like this one I built earlier) works great with older film cameras, but […]

Electronics 555, Camera Flash, IGBT, LM339, Pre-flash, SCR

Digital Metronome — Revisited

June 21, 2012 kwong8 Comments on Digital Metronome — Revisited

Last year, I wrote about a simple digital metronome project. While the device worked pretty well there are a few […]

AVR/Arduino 555, 7 Segment, 74HC595, Arduino, Atmega328P, Metronome

Categories

  • AVR/Arduino (98)
  • Coding (133)
  • Electronics (218)
  • Linux/BSD (34)
  • Miscellaneous (190)
  • MSP430G2 (10)
  • PIC (4)
  • Product Reviews (21)
  • Raspberry Pi (5)
  • Teardowns (59)
  • Technology (57)

Tools & Libraries

  • MCP2210 Library
  • BCalc — A Hex/Bin/Dec Converter And Calculator

Most Popular Posts

  • A Sensitive DIY Ultrasonic Range Sensor (286)
  • Building a Constant Current/Constant Power Electronic Load (237)
  • AVR LC Meter With Frequency Measurement (210)
  • A Digitally Controlled Dual Tracking Power Supply -- II (88)
  • AD7705/AD7706 Library Revisited (87)
  • Hacking DTM0660L Based Multimeters (72)
  • A Self-Balancing Robot – III (62)
  • Reverse Engineering the Syma S107G IR Protocol (56)
  • Arduino Development Using NetBeans (51)
  • Dual Purpose Spot Welder With Pulse Duration Control (49)

Archives

My Favorite Sites

  • Arduino Forum
  • Circuit Diagram
  • Dangerous Prototypes
  • EEVBlog
  • Electrical Engineering Forum
  • Electronics Lab
  • Electroniq.net electronics projects and circuit diagrams
  • Hack A Day
  • Hacked Gadgets

Recent Comments

  • kwong on Teardown of a Keithley 230 Programmable Four-Quadrant Voltage Source
  • Donal Botkin on Teardown of a Keithley 230 Programmable Four-Quadrant Voltage Source
  • kwong on Teardown of a Keithley 230 Programmable Four-Quadrant Voltage Source
  • Gary Shum on Teardown of a Keithley 230 Programmable Four-Quadrant Voltage Source
  • Mikhail Tokarev on BJT In Reverse Avalanche Mode
  • kwong on Teardown and Testing of a 1500W Pure Sine Inverter
  • kwong on Teardown of an 8-10 GHz RF Isolator
  • Vincent Jacobs on BJT In Reverse Avalanche Mode
  • Dan Ni on Teardown of an 8-10 GHz RF Isolator
  • Dario on Teardown and Testing of a 1500W Pure Sine Inverter

Tags

74HC595 555 Accelerometer AD/DA Algorithm Arduino ASP.Net ATMega328 Atmega328P AVR C++ C Sharp (C#) DAC dasBlog Data Logging DS3232 Electronic Load GridView High Voltage HP 8566B I2C Keithley 196 LCD Linux MCP2210 MSP-EXP430G2 MSP430 LaunchPad MSP430G2 MSP430G2231 Multi-threading Open Source Physical Computing Q9450 Reflection Security SHT21 Signal Generator SPI Teardown Temperature Sensor Ubuntu Ubuntu Server VMWare Windows Vista WordPress
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