04:59

Homemade Air Compressor

05:14

Simplest and Cheapest Foot-Controlled Autocue Ever

00:12

High power,Three phase dimmer - Video #2

00:18

High power,Three phase dimmer - Video #1

05:52

High Efficiency Battery Boost Regulator using the MCP1640

04:11

LED Resistor Selector Dial

05:56

Single LED IR Transceiver circtuit (RC5 Philips protocol)

03:42

DIY USB Smartcard Lock (keyboard/mouse lock) controlled by phone-cards

07:18

Smartcard (phone-card) Reader with PIC

03:51

LED Spindicator for the PC Hard Disk Drives

05:10

High Efficiency High Current LED Buck Driver using the A6210 - 10Watts LED driver w/ PWM

11:36

LED driving and controlling methods - Episode 4 - Dual transistor constant current driver

08:29

LED driving and controlling methods - Episode 3 - Voltage Regulated Constant Current LED Driver

07:56

LED driving and controlling methods - Episode 2 - Single Transistor Constant Current LED Driver

05:25

LED driving and controlling methods - Episode 1 - LED voltage control with limiting resistor

06:43

Flexible 555 LED Pulsing (Breathing) Circuit (new version)

03:59

How cheap is a cheap power supply?

03:02

PC Fan RPM Bargraph Meter and Failure Alarm with PIC

02:49

Tiny LED Debugging Board for Breadboard Prototyping

08:33

PID K-Type Thermocouple Temperature & PC Fan Controller

03:53

PWM LCD Contrast Adjustment digital interface

03:06

555 Breathing (Pulsing) LED Circuit

04:40

DIY Servo-Actuated Door Keylock Hack with capacitance touch-pad

04:08

10 Buttons PIC Touch-Pad with BCD Output

04:18

LCD PIC Clock with the Maxim DS1307 RTC

06:04

DIY frappé machine - It Works! - Part 8

04:19

DIY coffee robot Greek style (AKA frappé) - Part 7

04:44

Automated Light Controller with adjustable Sensitivity and Hysteresis

05:54

How to salvage parts from old PCBs, even from motherboards!

01:45

DIY coffee robot Greek style (AKA frappé) - Part 6

05:50

DIY coffee robot Greek style (AKA frappé) - Part 5

05:10

DIY etching bath with heater and agitation - In action!

05:52

DIY etching bath with heater and agitation - Presentation video

06:18

Servo-Actuated Door Keylock Hack with capacitance touchpad - Part 3

08:46

Servo-Actuated Door Keylock Hack with capacitance touchpad - Part 2

02:26

Servo-Actuated Door Keylock Hack with capacitance touchpad - Part 1

06:14

DIY PIC Capacitance Sensor with 4 buttons and Multitouch Function

05:15

DIY Capacitance touch button with PIC and Frequency Change

03:15

An AC Hum Touch Button

03:36

Resistance Touch Button Circuit

09:53

How the Capacitance touch sensor (button-switch) works

04:43

How the Resistance and the AC Hum touch sensor (button-switch) works

12:08

Reverse-Engineering the Linear Guide of a DVD Head

04:26

LED Fade In Fade Out effect with simple components

13:13

Reverse engineer an LCD display - It works SWEET! [PART 3 of 3]

06:48

Reverse engineer an LCD display - The first patterns and how it works (finally) [PART 2 of 3]

13:53

Reverse engineer an LCD display - Its ALIVE! [PART 1 of 3]

03:44

Long Range (10 meters / 33 Feet or more) IR Beam Cut Detector Circuit

06:46

Acrylic Glass (Plexiglas) Folding Heater

03:55

Men Of War game console - Final presentation

08:34

Men Of War game console - First presentation

03:49

A Portable LED Head Lamp

05:02

An LED Camping Light

04:26

DIY coffee robot Greek style (AKA frappé) - Part 4

02:35

An LED Array PWM Dimmer with the 555

02:37

Full and Half Stepper Motor Controller with the Sanyo STK672-110

04:21

An LED Pushbutton

02:31

LED Off Delay Circuit with dimming effect

05:03

Fixed-time Countdown timer for -Geek- Gamers

03:53

Microstepping stepper motor controller with the Sanyo STK672-080