|
How I home - built an electricity producing Wind turbine. Part 1 - Several years ago I bought some remote property in Arizona. I am an astronomer and wanted a place to practice my hobby far away from the sky - wrecking light pollution found near cities of any real size. I found a great piece of property. __ Designed by Mike Davis
How I home - built an electricity producing Wind turbine. Part 2 - i managed to score one of the good 30 volt Ametek motors off of Ebay. for only $26. They don't go that cheap these days. People are catching on to the fact that they make great wind generators. Other brands will work, so don't fret about the price __ Designed by Radio LocMan
How I home - built an electricity producing Wind turbine. Part 3 - Next I needed a mounting for the turbine. Keeping it simple, I opted to just strap the motor to a piece of 2 X 4 wood. The correct length of the wood was computed by the highly scientific method of picking the best looking piece of scrap 2 X 4 off __ Designed by Radio LocMan
How I home - built an electricity producing Wind turbine. Part 4 - i never got a chance to properly test the unit before heading to Arizona. One windy day though, I did take the head outside and hold it high up in the air above my head into the wind just to see if the blades would spin it as well as I had hoped. __ Designed by Radio LocMan
How I home - built an electricity producing Wind turbine. Part 5 - in operation, the wind turbine is connected to the controller. Lines then run from the controller to the battery. All loads are taken directly from the battery. if the battery voltage drops below 11.9 volts, the controller switches the turbine __ Designed by Radio LocMan
How I home - built an electricity producing Wind turbine. Part 6 - The first order of business was setting up and bracing the tower. After arriving at my property and unloading my van, I drove to the nearest Home Depot (about 60 miles one way) and bought the 10 foot long piece of 1 1/4 inch conduit I needed for __ Designed by Radio LocMan
How I home - built an electricity producing Wind turbine. Part 7 - This photo shows the controller, battery and associated electronics all wired up. I have a 120V inverter connected to the battery and a multimeter to keep track of the battery voltage and wind turbine output voltage. Also my electric shaver and __ Designed by Radio LocMan
How I home - built an electricity producing Wind turbine. Part 8 - This web site has become very popular. Thank you all for your interest and encouragement. I am getting tons of email questions from people about all sorts wind power related (and not so related) issues. Many are the same few questions asked over __ Designed by Radio LocMan
How I home - built an electricity producing Wind turbine. Part 9 - UPDATE 05/17/07 Here is a photo of me setting up the wind turbine on my remote property during our May 2007 trip to Arizona. I had left most of the equipment on - site in Arizona. I only brought the turbine head and charge controller back home with __ Designed by Radio LocMan
Humidity & Temperature Monitoring using Arduino with the IoT - Using the internet of Things (ioT) in homes and industries it is possible to control any electrical or electronic equipment. Moreover, you can get the information from any sensor and analyse...__ Electronics Projects for You
Humidity Detector - This humidity sensor consists of 2 copper conductors that are located at small distance from each other. The relay switches as soon as the moisture makes a connection that is more or less electrically conductive between the 2 electrodes. How does the humidity detector works? When the electrical resistance between the 2 sensors __ Designed by Popescu Marian
Humidity Indicator & Controller - Presented here is a simple humidity indicator and controller. in industries such as textile, the change in moisture content has a direct impact on the properties of fabric, such as tensile...__ Electronics Projects for You
Humidty Sensor to Data Aquisition System Interface - The circuit shown in the schematic features zero drift operational amplifiers (LTC1250 and LTC1050) and a precision instrumentation switched capacitor block (LTC1043). This design will maintain excellent DC accuracy down to microvolt levels. This method was chosen over the use of a true RMS - to - DC or log converter because of __ Linear Technology/Analog Devices App Note, Mar 16th 2010
Hygrometer & hygrostat - A simple handheld relative humidity meter, complete with settable control output. __ Designed by Manfred Mornhinweg
Hygrometer WiFi ESP8266 - Arduino - This device is digital wifi hygrometer. it's a miniature arduino web server. By mapping ports of your router, you can connect to it from anywhere on the world. This hygrometer uses arduino skech and trendy vector graphics format SVG. __ Designed by © Pavel Janko
Hygrometer WiFi ESP8266 - Lua - This hygrometer is digital wifi hygrometer. it's a miniature web server.
By mapping ports of your router, you can connect to it from anywhere on the world. This hygrometer uses Lua software and
trendy vector graphics format SVG. Hygrometer is quite fast and stabil. __ Designed by © Pavel Janko
Inexpensive APRS Weather Station - There are two kits you need to get for this weather station. The first is the outdoor sensor. it costs about $80 and can be bought online from the AAG. http://www. aag. com. mxThis kit provides the sensor unit (some assembly required) and an interface that allows you to hook it up to your __ Designed by Will Beals
K2LMG/W5EUT 1 - Wire Barometer - - 5/10 Volt Design vrs 2 - This article describes details for constructing a 1 - Wire Barometer which will work on a Dallas Semiconductor Corporation 1 - Wire network. it differs from the popular Version 1.1a in that it has more than twice the resolution. __ Designed by David W. Bray
Lightening Detector - A VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp flashes in synchrony with the lightning bolts indicating the proximity and intensity of the storm. it has a superior RF section with a single resonance near 300kHz and plenty of sensitivity. The antenna is a telescopic antenna that extends to two or three feet __ Contact: Charles Wenzel of Wenzel Associates, Inc.
Lighting Storm Monitor - Schematic only __ Designed by va3iul
Lightning Activated Camera Shutter Trigger - This circuit is used to trigger a camera's electronic shutter circuit when a flash of lightning is present. This circuit would also work for photographing fireworks displays or other events involving flashes of light. __ Designed by G. Forrest Cook
Lightning Detector - Egor! Come quick! A storm approaches! Here is a VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp flashes in sychrony with the lightning bolts indicating the proximity and intensity of the storm. Figure 1 shows the simple receiver which consists of a tuned amplifier driving a modified flasher circuit. __ Designed by Kyriakos Kontakos
Lightning Modulator - Schematic + info + pictures __ Designed by Lennie Zink
Lightning Simulator - This little simulator generates short pulses at a few Hz rate and is heLPFul in designing and testing lightning detector circuits like the one at the top of the page. The output is connected to a shielded audio cable with an RCA type connector. The other end of the cable is connected to the antenna of the lightning detector through a 10 pF capacitor (not shown). The shield of the audio cable is connected to the detector's ground. The 10 pF allows the lightning detector's tuned circuit to ring and the amplitude of the ring may be observed on the collector of Q1. The circuit is built into a Home Depot gift certificate can. The circuit board slides into two card guides glued to the ends of the can. Any type of construction will probably work fine, but a metal can is recommended to keep the pulses "contained. " __ Contact: Charles Wenzel of Wenzel Associates, Inc.
Linear Wind - Power Meter Compensates for Temperature - 13 - Nov - 08 EDN Design Ideas: Using a free - spinning anemometer for wind speed and a diode - connected transistor for temperature sensing, this meter measures the wind power available for "green" power generation Design by W Stephen Woodward, Chapel Hill, NC
Liquid Barometer - Have you ever noticed how those technical - looking aneroid barometers in the stores all indicate a different pressure? And when you __ Contact: Charles Wenzel of Wenzel Associates, Inc.
Low - Cost Anemometer Fights Dust - 08/30/01 EDN Design Ideas: As higher levels of power dissipation underscore the need for cooling, andfans are finding their way into small electronic enclosures. The dust that fans pull into these enclosures can, however, cause major problems for high - reliabi Design by Jim Christensen, Maxim Integrated Products, Sunnyvale, CA
Low - cost relative - humidity transmitter uses single logic IC - 11/08/01 EDN Design Ideas: The low - cost percentage - relative - humidity radio transmitter in Figure 1 operates in a cold - storage warehouse for vegetable storage at temperatures of 1 to 5°C. it is generally difficult to collect such data from a low - temperature area with high humidity and low illumination. The transmitter design is simple it uses a readily available, capacitor - type percentage - relative - humidity se Design by Shyam Tiwari, Sensors Technology Ltd, Gwalior, India
Lua Barometer WiFi ESP8266 - Glass & Brass barometer is precise digital wifi barometer with pressure sensor BMP085 or BMP180 and wifi module ESP8266. it's a miniature web server.
By mapping ports of your router, you can connect to it from anywhere on the world. The barometer uses Lua software and
trendy vector graphics format SVG. The barometer is particularly interesting for its graphic design. in terms of program, this is simple.
Thanks to this, barometer is quite fast and stable, which was my goal. __ Designed by © Pavel Janko
Lua Hygrometer WiFi ESP8266 - This hygrometer is digital wifi hygrometer. it's a miniature web server.
By mapping ports of your router, you can connect to it from anywhere on the world. This hygrometer uses Lua software and
trendy vector graphics format SVG. Hygrometer is quite fast and stabil. __ Designed by © Pavel Janko
Measure humidity & temperature on one TTL line - 08/30/01 EDN Design Ideas: By combining the responses of an Analog Devices (www. Analog.com] AD590 temperature sensor and a Humirel (www.humirel.com] HS1101 humidity sensor, you can generate a single TTL - level signal containing information from both sensors (Figure 1). This design uses a 74HC123 monostable multivibrator, IC 1, to form a free - running oscillator Design by Shyam Tiwari, Sensors Technology Pvt Ltd, Gwalior, India
Micro wind power with a Savonius rotor. Part 1. - This wind turbine cost nothing virtually nothing to make and can produce enough power for small applications There are many situations where you might need a small amount of electricity, for instance running gate openers, safety __ Designed by Lance Turner
Micro wind power with a Savonius rotor. Part 2. - Generating the power The generator I used was actually a large permanent magnet DC motor from an old vertical computer tape drive. These are very robust, well built motors about the size of a large car starter motor. They are simple __ Designed by Lance Turner
Model Rocket Altimeter - Circuit Only__
New Lightning Detector - Especially built for the beginner __ Contact: Charles Wenzel of Wenzel Associates, Inc.
One Wire Barometer
- OWW is an application for Linux and RISC OS to drive the
1-wire weather station. . . . Designed by Simon Melhuish
One wire barometer - This is a description and the ongoing
story of my project to build a 1 wire barometer based on the
MPX4115A __ Designed by Philip Gladstone
One-Wire Barometer. Part 1 - This article describes
details for constructing a 1 - Wire Barometer which will work on
a Dallas Semiconductor Corporation 1 - Wire network. it differs
from the popular Version 1.1a in that it has more than twice the
resolution. __ Designed by David W. Bray
One-Wire Barometer. Part 2 - The design presented in the
schematic above is not the only possible barometer that can be
constructed with this printed circuit board. Not only is the
printed circuit board designed to be modified for different
voltage sources and 1 - wire networks, but the values of the
resistors can be modified for different ranges of barometric
pressure and resolutions. __ Designed by David W. Bray
One-Wire Barometer. Part 3 - Suggestions on Final
Calibration Getting your barometer accuracy calibrated will take
adjustment over several cycles of barometric pressure change.
The initial calibration will not be accurate unless your MPX4115
has the same output vs pressure __ Designed by David W. Bray
One-Wire Barometer - - 5/10 Volt Design V2 - This article
describes details for constructing a 1 - Wire Barometer which
will work on a Dallas Semiconductor Corporation 1 - Wire
network. it differs from the popular Version 1.1a in that it
has more than twice the resolution. __ Designed by David W. Bray |
