V 200417
Musical Instruments / Accessories

Projects	Author	Submitted
Toy Piano Project	edwardholmes91	04/29/2013
Project: "Color Theremin" capacitive sensing LED toy	ebeowulf17	02/28/2015
Guitar Germanium-based Distortion Pedal	planeguy67	08/29/2015
Simplest active low voltage (< 1V, full wave rectified signal) compressor/limiter.'	MariánF	04/10/2024

 

V 200417
Oscillators

Projects	Author	Submitted
A small old antique NE555 oscillator without PCB	ScottWang	06/19/2015

 

V 200418
Oscilloscopes

Projects	Author	Submitted
Project: Oscilloscope and signal generator	arry	09/14/2010

 

V 200418
Pets

Projects	Author	Submitted
Project : Pet Water Dish Alarm Sensor	Wendy	11/25/2015

 

V 200418
Photography

Projects	Author	Submitted
Project: Mini project: ringlight for camera	bertus	05/31/2010
Project: wired remote control for digital camera	gvi70000	03/24/2011
A Camera Slider	SPQR	10/21/2012
Project: Simple High Speed Photography	FPSOutback	12/31/2015

 

V 200418
Power Supplies

Projects	Author	Submitted
Project: Double adjustable power supplies	cumesoftware	04/27/2007
Project: Regulated wall adapters	cumesoftware	07/23/2007
Project: Digitally selectable voltage voltage regulator using LM317	dileepchacko	05/21/2008
Project: ATX & Rack Mount PSU	doug3460	07/12/2009
Project: Power Supply/Prototype all scrap/spare parts	Jassper	09/12/2009
Project: Battery-operated 1 amp current source	someonesdad	07/07/2009
Project: Simple LM317 Power Supply	T.Jackson	12/08/2011
12v to 5v DC high efficiency SMPS buck converter using 34063 IC.	THE_RB	12/27/2012
Project: CMV2A virtual ground circuit	cumesoftware	07/21/2013
Two 4 kinds ±5~15V fixed power as ±5V, ±9V, ±12V, ±15V	ScottWang	09/03/2013
Project: TA1000PS - PSU for audio amplifiers	|donpetru	07/20/2014
LM317 Voltage Regulator	Wendy	09/26/2014
Finished Lab Power Supply w/pictures	Blatboy	02/22/2015
Chaney C6895 Triple Power Supply	darrough	05/10/2015
400 Watt, High Efficiency, Solar Battery Charger/Power Supply	Lestraveled	06/10/2016
Small, simple 5V to -4V converter	RichardO	04/09/2017
DC-to-AC Inverter for Powering Electroluminscent wire or tape	wayneh	01/29/2019
USB Filter	Wendy	08/18/2022
12V Battery Pack, also ± 6V	Wendy	04/05/2025

 

V 200418
Printed Circuit Boards (DIY)

Projects	Author	Submitted
Project: Improved LaserJet PCB transparencies	jpanhalt	06/20/2008
Project: Knight Rider style sweeping light.	Fenris	08/23/2009
Project: How to make PCBs	Wendy	12/29/2010
Project: LED based UV exposure box for PCBs	Markd77	05/10/2011
Project: DS-PCB UV LED exposure box.	nerdegutta	12/19/2011
Liquid agitator for PCB chemicals	SPQR	12/25/2012
Project: Photographic methods of making PCBs	Lestraveled	05/01/2015
My new etching tank	cmartinez	11/09/2015

 

V 200418
PWM

Projects	Author	Submitted
Project: Simple PWM circuit	SgtWookie	12/30/2008

 

V 200418
RF Projects (TX/RX/Radar)

Projects	Author	Submitted
Project: Mini Spy FM transmitter	chzulfiqar4	09/27/2007
Project : PLL FM Transmitter	Willen	03/22/2016

 

V 200418
Robotics

Projects	Author	Submitted
Project: Weave, Obstacle Avoiding Robot	Barnaby Walters	06/07/11

 

V 200418
Sensors

Projects	Author	Submitted
Project: Light Sensor and Charging Circuit	nomurphy	02/19/2008
Project: Biometric Projects (a sort of complete how-to)	kyroguy	10/05/2010
Project: A Cheap, Accurate Thermometer	tracecom	05/05/2011
Project: Wire break detector	wayneh	11/09/2011
Project: PIC 4-Digit DS18B20 Temperature Monitor	MMcLaren	05/06/2012
Arduino Based Whole Home Humidistat	bertz	11/11/2013
Magnetic Angle Sensors	jpanhalt	03/19/2015
Project: Arduino temperature reading / 4x Seven displays	Remembermyname	03/24/2017
Project: IoT-Controlled Air Conditioner Thermostat Mod	128ITSH	09/22/2017
AS3935 Lightning Detector	jpanhalt	04/22/2018

 

V 200418
Security

Projects	Author	Submitted
Project: Alarm Timer	nomurphy	07/27/2007
Project: PIC16F84A Code Lock	profahmet	10/14/2008
Security alarm USING 555 timer and logic gates	andreapg	05/17/2017

 

Wendy V 200418
Soldering Tools

Projects	Author	Submitted
Solder Aid	4beowulf7	07/29/2015
200°C SMT Hot Plate	Wendy	06/14/2021

 

V 200418
Solenoids

Projects	Author	Submitted
Project: I made a solenoid	Bernard	04/23/2009

 

V 200418
Storage/Inventory Control

Projects	Author	Submitted
Project: Resistor Parts Storage	Wendy	07/14/2008
Resistor Storage V2.0	Wendy	06/20/2020
Project: Protoboard storage	Wendy	01/24/2021

 

V 200418
Telephony

Projects	Author	Submitted
Project: PIC microcontroller-based DTMF phone dialer	avtanski	05/29/2008
Project: Time delay switch for mobile chargers	dileepchacko	05/12/2008

 

V 200418
Temperature Controllers

Projects	Author	Submitted
Project : 230VAC Temperature Fan Control	donpetru	07/07/2013
Project: 12F675 based Temperature Controller Project	THE_RB	11/14/2009

 

V 200418
Test Equipment

Projects	Author	Submitted
Project - Continuity tester	cumesoftware	05/21/2007
Project: Temperature and Humidity Data Logger Project	OldSpring	08/11/2008
Project: Oscilloscope AC Current Probe	jpanhalt	10/09/2008
Project: The Ubiquitous Xstr Checker	nomurphy	12/08/2008
Project: TTL Logic probe	bertus	04/12/2009
Project: Discontinuous Interference Analyzer System Test Circuit	Bill B	11/29/2009
Project: Poor Man's Calorimeter	wayneh	02/15/2011
Time Domain Reflectometer	Sparky49	03/11/2012
Inductor Ring Tester	wayneh	07/17/2012
10 ma to .01 ohm resolution DVM adapter	#12	09/14/2013
Project : Electronic Load	Wendy	09/16/2014
Homebrew Function Generator	kyle7119	10/14/2014
Simple continuity tester	Robartes	02/19/2015
Two Sets 10 channels O'scope and Multimeter Multi-Inputs Selector	ScottWang	04/26/2015
Offset-adjusted ammeter for up to 25 Amps	cmartinez	07/07/2015
Another Constant Current Load	bertz	03/23/2017
DIY Signal Generator (As seen on DIY Hacking)	Robin Mitchell	04/17/2017
UNI T UT61E DVM Auto Backlight Mod.	Dodgydave	04/25/2019
Power Supply Accessory, Shorting Box	Wendy	4/19/2021
FG-100 Output Attenuator	Wendy	7/14/2021
3D printed enclosure for frequency counter module	Wendy	09/18/22
Type K Thermocouple Thermometer	Wendy	06/22/25

 

Tools

Projects	Author	Submitted
Dremel Tool Kit	Wendy	11/30/2026