Velleman - Kits Tools and Equipment

"VELLEMAN nv has been a major distributor of electronics for more than 35 years. Our warehouses contain over 18,000 different products from 50 brands."

Velleman - Kits Tools and Equipment

• Velleman kits & oscilloscopes
• Transformers, coils & motors
• Semiconductors & sensors
• Passive components
• Batteries & chargers
• Adapters & power supplies
• Enclosures

They have the Test bench tools, parts and also all the prototyping materials.

A Velleman Power Supply for the Test bench

Velleman Inc. 7354 Tower Street, Fort Worth, Texas 76118

RED Free Circuit Designs

RED Free Circuit Designs

Very good diy audio and music circuit archive, well documented projects. Uses many discrete devices.

Home related Circuits -o- Music related Circuits

Robot Building for Beginners - David Cook

Robot Building for Beginners - David Cook

• Wireless Video and Speech Telepresence Robot
• Combination Handheld Tachometer, Thermometer, and Counter
• Pulse-Width Modulation (PWM) for Motors and LED Displays
• Bipolar Transistor H-Bridge Motor Driver
• Jet, the Ultra-Fast Line-Following Robot

David Cook - Robot Room - More Robots

Complete Microwave Oven Troubleshooting

Complete Microwave Oven Troubleshooting

"Here is the ultimate microwave oven troubleshooting and repair resource with do-it-yourself help and instruction by the experts. If you are an appliance technician, perhaps you've found that microwave ovens develop very unique problems which are often quite perplexing ........" Microwave FAQ or/and Q&A.

Troubleshooting (For Qualified Technicians Only)

• How To Test the High Voltage Capacitor
• How To Test the High Voltage Diode
• How To Test the Triac

How To Test the Interlock Switches, Output Power (wattage), Magnetron too.