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Uploads
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Homemade Air Compressor - Duration: 4 minutes, 59 seconds.
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Simplest and Cheapest Foot-Controlled Autocue Ever - Duration: 5 minutes, 14 seconds.
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High power,Three phase dimmer - Video #2 - Duration: 12 seconds.
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High power,Three phase dimmer - Video #1 - Duration: 18 seconds.
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High Efficiency Battery Boost Regulator using the MCP1640 - Duration: 5 minutes, 52 seconds.
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LED Resistor Selector Dial - Duration: 4 minutes, 11 seconds.
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Single LED IR Transceiver circtuit (RC5 Philips protocol) - Duration: 5 minutes, 56 seconds.
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DIY USB Smartcard Lock (keyboard/mouse lock) controlled by phone-cards - Duration: 3 minutes, 42 seconds.
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Smartcard (phone-card) Reader with PIC - Duration: 7 minutes, 19 seconds.
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LED Spindicator for the PC Hard Disk Drives - Duration: 3 minutes, 52 seconds.
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High Efficiency High Current LED Buck Driver using the A6210 - 10Watts LED driver w/ PWM - Duration: 5 minutes, 11 seconds.
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LED driving and controlling methods - Episode 4 - Dual transistor constant current driver - Duration: 11 minutes.
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Popular uploads
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DC motors - how is it made? How it works? - Duration: 8 minutes, 33 seconds.
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How to salvage parts from old PCBs, even from motherboards! - Duration: 5 minutes, 54 seconds.
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How the Brushless motors are made (BLDC) - Duration: 7 minutes, 43 seconds.
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The simplest way to reduce fan speed - Duration: 2 minutes, 54 seconds.
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How the Stepper motors are made and how they operate - Part 2 - Duration: 7 minutes, 29 seconds.
- CC
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How the Stepper motors are made and how they operate - Part 1 - Duration: 5 minutes, 19 seconds.
- CC
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How the Capacitance touch sensor (button-switch) works - Duration: 9 minutes, 53 seconds.
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Acrylic Glass (Plexiglas) Folding Heater - Duration: 6 minutes, 47 seconds.
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How cheap is a cheap power supply? - Duration: 3 minutes, 59 seconds.
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How Thermocouple work? How hot is a lighter flame? - Thermocouple experiments (1st) - Duration: 6 minutes, 14 seconds.
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Homemade Air Compressor - Duration: 4 minutes, 59 seconds.
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LED Fade In Fade Out effect with simple components - Duration: 4 minutes, 26 seconds.
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Some Projects
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DIY USB Smartcard Lock (keyboard/mouse lock) controlled by phone-cards - Duration: 3 minutes, 42 seconds.
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DIY Servo-Actuated Door Keylock Hack with capacitance touch-pad - Duration: 4 minutes, 40 seconds.
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DIY frappé machine - It Works! - Part 8 - Duration: 6 minutes, 4 seconds.
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DIY etching bath with heater and agitation - Presentation video - Duration: 5 minutes, 52 seconds.
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Acrylic Glass (Plexiglas) Folding Heater - Duration: 6 minutes, 47 seconds.
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Men Of War game console - Final presentation - Duration: 3 minutes, 56 seconds.
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Homemade pro-like soldering station for under $40 - Duration: 9 minutes, 57 seconds.
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Function generator project presentation - Duration: 8 minutes, 44 seconds.
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UV Artwork transfer box presentation - Duration: 10 minutes.
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MAME Arcade console in action! - Duration: 4 minutes, 29 seconds.
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MAME Arcade homemade console conflict free - Duration: 2 minutes, 36 seconds.
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Homemade Air Compressor - Duration: 4 minutes, 59 seconds.
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LED Linear Constant Current Drivers Tutorial
Link to page: http://www.pcbheaven.com/userpages/LED_driving_and_contro...
Here is a set of 4 videos explaining some very basic linear constant current LED Drivers. You can find the complete theory of these LED drivers with schematics in the link above.-
LED driving and controlling methods - Episode 1 - LED voltage control with limiting resistor - Duration: 5 minutes, 25 seconds.
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LED driving and controlling methods - Episode 2 - Single Transistor Constant Current LED Driver - Duration: 7 minutes, 56 seconds.
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LED driving and controlling methods - Episode 3 - Voltage Regulated Constant Current LED Driver - Duration: 8 minutes, 30 seconds.
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LED driving and controlling methods - Episode 4 - Dual transistor constant current driver - Duration: 11 minutes.
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