The Soundcard Oscilloscope receives its data from the Soundcard with 44.1kHz and 16 Bit resolution. The data source can be selected in the Windows mixer (Microphone, Line-In or Wave). The frequency range depends on the sound card, but 20-20000Hz should be possible with all modern cards. Soundcard Oscilloscope by Christian Zeitnitz From Hobby Hound – [...]
Bug Labs – Modular Stackable Embedded Computer BUGbase is a fully programmable computer, with a CPU, RAM, rechargeable lithium-ion battery, USB, Ethernet, micro-SD and serial interfaces, and a small LCD with button controls. BUGbee is a low-power radio module based on the 802.15.4 protocol, perfect for creating a personal area network (PAN) for machine-to-machine (M2M), [...]
Runoffgroove – Audio and Sound Effects Multi-Face – Inspired by Tim Escobedo’s “The Many Faces of Fuzz.” Build notes, photo, and PCB/perfboard layouts. Mr. EQ – A simple, yet potent DIY equalizer. Schematic, PCB/perfboard layouts, and photos. Little Gem – Two 9v battery-powered amps based on the LM386. Schematic and PCB/perfboard layouts. Eighteen – The [...]
“Fritzing is an EDA – Electronic Design Automation software with a low entry barrier, suited for the needs of designers and artists. It uses the metaphor of the breadboard..” Fritzing is Product Design or EDA in Simplicity “in the spirit of Processing and Arduino, developing a tool that allows users to document their Arduino and [...]
VeeCAD takes a schematic generated netlist and assists you to build a layout – but on stripboard (Veroboard). The usual design tools are provided: netlist import, component footprint definition, component positioning, wiring and connectivity check. VeeCAD for Stripboard with Auto Router Engineers and hobbyists use VeeCAD for prototypes and small quantity builds, saving hours planning [...]
Tuxgraphics AVR Microcontroller digital DC power supply unit – A very small an really good DC bench power supply unit for your hobby lab. It has lots of features which you normally find only in very expensive power supplies. This one is affordable, small and easy to build. Temperature and humidity measurements with the AVR [...]
Online Museum of Hewlett-Packard – Ken “This web site is devoted to the history of test equipment produced by the Hewlett-Packard Company which is now known as Agilent Technologies.” Tour of Ken’s HP Shop kennethkuhn.com Home Tour of HP Garage Agilent History Page HP History Page
DiscoverCircuits free electronic circuit links DiscoverCircuits, has 26,000 + electronic circuits or schematics cross-referenced into 500+ categories. As a vital resource for engineers, hobbyists, inventors & consultants, the site’s collection of information will help you find quick solutions to electronic design problems.
ARobot’s controller board accepts the Basic Stamp II (purchased separately) which controls motors, LED’s, buzzer, and other devices. ARobot Projects and Experiments Rugged aluminum frame (no plastic or wood) Dual front whisker sensors Rear wheel steering servo motor Front wheel DC gear drive motor Optical wheel encoder for distance measurement On-board coprocessor handles all motor [...]
TechLib – Electronic Experimenter Records A technical library for the hobbyist and experimenter. – Charles Wenzel World’s Smallest Geiger Counter Karen’s Mic. Input Telemetry Device Temperature Controlled Ovens Two-Transistor Atomic Frequency Standard Super-Sensitive Ionization Chamber Cockcroft-Walton Diode Voltage Multipliers Science Fair Ideas This will be a collection of unusual ideas for somewhat difficult science fair [...]
Small electronics modules and simple mechanical components for for robot and motion control. Web Store provides parts like small gearboxes, breadboards, servos, and robot kits too. Pololu – Electronic Modules for Robotics The Orangutan SVP robot controller is a complete control solution for small and medium-sized robots running at 6 – 13.5 V. The module [...]
A collection of information on a variety of topics. Finished projects, Some ideas, Repair tips.by San Bergmans, Oisterwijk, The Netherlands. SB-Projects – San Bergmans A pair of dice is the first small example application I present here. The interface is nothing more than 2 sets of 7 LED’s, arranged in the form of two dice. [...]