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Some of the circuits operate from potentially lethal voltages, so BE CAREFUL!
A small universal PCB for Power Amplifiers based on the well-known EL84/6BQ5 Tube
Small Project ideally suited for beginners, but also very rewardigng for HIFI Enthusiasts
|Mosfet Power Supply||A MOSFET stabilized High Voltage PSU for Tube Circuits.
Suited especially well for Headphone Amps, Preamps and small power amps
|Indicator Tube PCB||
Multi Purpose PCB for Indicator Tubes EM84/EM800/6FG6 .
|EL84/6BQ5 Compact||Complete Stereo EL84/6BQ5 SE Power Amp with preamp stage and MOSFET-stabilized, channel sepeated Powersupply, easy to build with PCB
Also makes a great Headphone Amplifier
|Function Generator XR2206||Easy to build function generator circuit based on the industry standard XR2206|
|FM Miniature Transmitter||An introduction on constructing small RF Transmitters|
|78XX Universal PSU||Multi Purpose PCB for Voltage Regulators 78XX (7805,7812) Family|
|RF High Power Oscillator||Push-Pull High Power RF Oscillator with MOSFET Transistors|
|EM800 Indicator Tube||Controlled by an Atmel Tiny85|
|Geiger Counter Data Logger||With Atmel controller and LND712 Counter Tube|
|Atmel Tiny Board||Ultra Low Cost Development board for Atmel Tiny 12/15 Microcontrollers|
|Atmel Micro Board||Thumbnail size Controllerboard for RC Model , Case Modding and the like|
Softwareprojects for Microcontroller
|Heartbeat LED||A LED is pulsing like a Heartbeat. Nice Optical effect|
|LED Dimmer Soft ON-OFF||PWM Pushbutton Dimmer for LED's with Soft ON / Off|
|Voltage Controlled RGB LED||A RGB Led is controlled from a Voltage 0..2.5V.
6 different modes to choose from
|Moodlight Color Magic||Crazy Color Cycling effects|
|RGB Dimmer||3 LED's can be controlled independently for many many colours|
|Magic Engine RPM||An application for the Voltage Control Software
Change your Dashboard Background Light Color with your Engine RPM
Additional Information,Basics,DIY Kit, Links for Schematic