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Sim, tesoura rosa, canetinha roxa e adesivos para colocar nomes em cadernos.
Minha desculpa é q peguei da minha filha. E a sua?
Sem mais.
Att.,
Circuit is powered from 5V readout circuit.
R1 sets the U1 LED current to 20mA. Photo transistor picks up reflections from items passing in front of the sensor and turns on when they do generating a positive pulse on pin 4.
R2, R3, C1 and Q1 generate a variable DC load. In this way variations in ambient light that the photo-transistor might pick up are removed. The result is the signal on U1 pin4 under static conditions is constant.
The low pass of R2 and C1 mean signals from passing reflector are not attenuated and pass on to the comparator circuit.
The combination of R21 and R39 ensure the voltage on U4 pin3 under static conditions is always slightly less than the voltage on IC4 pin 2. This ensures the comparator output is low in the absence of a signal.
C24 ensures the voltage on IC4 pin 2 does not react to fast signals but IC4 pin 3 does see these fast changes.
When an item is detected by the photo-transistor the voltage on U1 pin4 rises rapidly. IC4 pin3 sees the rising voltage which will rise above the voltage on IC4 pin 2, changing the comparator output state to a high signal.
Comparator is a push-pull output type so does not require a pull-up resistor. Pulses from comparator are passed on to the display to show speed of the sensor.
Professor Yan Li is leading the effort to design new materials for self-powering sensors that can withstand higher temperatures than conventional sensor materials.
“For sensing, energy storage, and energy harvesting capability in space, temperature tolerance is important,” says Li, adding current materials lose all functionality at more than 200 degrees Celsius.
Photo by Rob Strong
NTC008HP00- NTC SENSOR IP67 -50T50 (-50T100 ON AIR) 0.8 METER LONG
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Picnic Young | LABS 2008.
Sensor Machines
Zou het niet gaaf zijn als de muziek vanzelf reageert op jouw bewegingen? Je zou bijvoorbeeld een dansmat kunnen maken die het soort muziek aanpast op hoe jij danst. Of wat dacht je van 'magic drum sticks': als jij bewegingen met je stokjes in de lucht maakt, vul je de ruimte met een
drumsolo. Leerlingen maken in dit Lab een interactieve muziekinstallatie, waarmee ze aan het eind van de workshop een optreden geven.
Het ingraveren van eigen naam op eigen mobiel is erg populair.
Sensor from optic unit for CD-ROM player. Original size is about 1x1 mm.
First ever attempt way back in 2007.
Picnic Young | LABS 2008.
Sensor Machines
Zou het niet gaaf zijn als de muziek vanzelf reageert op jouw bewegingen? Je zou bijvoorbeeld een dansmat kunnen maken die het soort muziek aanpast op hoe jij danst. Of wat dacht je van 'magic drum sticks': als jij bewegingen met je stokjes in de lucht maakt, vul je de ruimte met een
drumsolo. Leerlingen maken in dit Lab een interactieve muziekinstallatie, waarmee ze aan het eind van de workshop een optreden geven.
Het ingraveren van eigen naam op eigen mobiel is erg populair.
This is the 5D MarkIII with the Tokina AT-X 116 11-16mm f2.8 at 11mm. It's what happens when you use it on a camera with a full-frame sensor.
I picked up a second time my old Konica-Minolta Dynax 5D (an APS-C DSLR see details below) for an extra tour of the warm-humid tropical green houses at the Botanical Garden of Lyon, France.
This time I fitted to the camera its dedicated macro lens Sigma 1:2.8 DG f=50mm (equivalent to 75mm full-frame 24X36 format) . For this tour, I used a CF card 16GB giving almost unlimited number of possible RAW files (1694 !) .
I also used a fix 200 ISO sensor sensitivity. I had in mind to limit the session to 36 images as a regular 35mm film cartridge, but I finally did about 60 … The lens was equipped with a generic Anti-UV protective 55mm filter and its original Sigma shade hood.
Whenever necessary in low-light conditions, I used the build-in small flashlight (NG 12 at 100 ISO) to complement the ambient light and to restore vivid colors. The camera was used either in the manual « M » mode or the aperture-priority « A » automated mode.
Serres Tropicales Arrides Mexique-Madagascar, December 16, 2024
Jardin Botanique de Lyon
Parc de la Tête d’Or
69006 Lyon
France
After the session, the RAW files were transferred to the computer using a USB multi-memory cards reader and processed in the latest version of Adode Lightroom Classic (LrC version 14.1.1) that uses the external module Adobe Camera Raw version 17.0.1 for the RAW files development. The files were then processed as usual using the regular functions of Lightroom. They are presented either as printed files with frame or the full-size JPEG's.
About the camera :
I bought my Konica-Minolta Dynax 5D (an APS-C DSLR see details below) brand-new in the winter 2005-2006 after using intensively a Minolta Dimage 7 that was a futuristic early mirrorless digital camera. I got the camera as a bundle kit including a AF DT Zoom 18-70 mm / f3.5-5.6 (D) lens, a tele zoom lens AF 75-300 mm / f4.5-5.6 (D) lens, and a very nice macro lens Sigma 1:2.8 f=50mm DG that I used principally for documenting small horological objects.
The Konica Minolta Dynax 5D is a Digital SLR camera announced by Konica Minolta on July 15, 2005. It is also known as Maxxum 5D in the USA and (Alpha) αSweet Digital in Japan. It became available from September 2005 and was bundled with the AF DT Zoom 18-70 mm / f4.5-5.6 (D) lens.
The camera features a 6 megapixel CCD sensor. Image files are created at a maximum resolution of 3008 x 2000 pixels and recorded in JPEG (STD, Fine, EX-fine), RAW and RAW+JPEG formats. It uses CompactFlash for storage. The back has a 115,000 2.5" TFT color display.
Main differences between the 7D and the 5D are:
* Less buttons and dials
* Fibre plastic body, as opposed to a magnesium alloy on the 7D, camera is almost 200 g lighter (970g in workin order with the AF DT Zoom 18-70 mm)
* White balance bracketing
* Newly added colour modes, including black and white
The Konica-Minolta was the last DSLR camera engineering before the cession to Sony of the whole photo camera activities of the company.