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This is a very simple digital sound sensor (Arduino Sound Sensor Module for Sensor Shield, SKU 74446) from Goodluckbuy. It’s either triggered because there’s a sound loud enough or not. The sound level threshold can be set by adjusting the pot on the PCB and the red surface mounted LED can visually show you when the device is being triggered. Much like the light sensor an op-amp is used (LM393).
The only down side is I would have liked the choice of either a digital or an analogue value much like the light sensor and it’s switch.
First small stack of the samsung KC73129 chip with the mitutoyo 10x lens and the new led module with 12 x power cree leds.
The lichting time is now shorter, 3ms, and the resolution is better. I hope to be ready end this year with the hole unit and the new controlbox.
This is a 100% crop from the Nikon D7100.
Left side with the old setup, right side with the new setup.
This light sensor works reasonably well. Goodluckbuy list it as “Electronic Brick Light Sensor Brick Module” (SKU: 75283). That’s right brick is in there twice.
From what I could find I think made by Itead. The A-D switch lets you pick the type of output from the sensor. An analogue voltage or digital high/low. The switch point for digital is adjustable via the pot and the board uses an LM358 op-amp.
Programming and working out how to apply an analogue input value to automatically adjust an output brightness value for my series of 7-segment displays proved annoying and I had little success. I believe a lot more trial and error would be needed to make this and other displays adjust with the brightness of the room. Or perhaps I’m just a bit crap.
[iteadstudio.com/store/index.php?main_page=product_info&am...]
Sensor part of the FreeStyle Libre blood glucose monitoring system. This dedicated sensor is integrated on the main board inside the monitoring system. 42 photos are stacked using Zerene Stacker. The full width of the photo is approx. 15mm.
Camera: Nikon D850, ISO 64. Lens: AF Micro-Nikkor 60mm f/2.8D @ f/11 + 68mm Kenko extension tubes. Manual controlled microrail @ step-size 200um. Natural light.
At one time, I would take my digital cameras to a technician to clean my sensors. When the cost became prohibitive, I started cleaning my own.
Here are two Youtube videos that I found helpful :
Aerial Drone Panorama! Million Dollar Highway U.S. 550 Silverton to Ouray Colorado Autumn Colors Snow Stormy Moody Weather! Fall Foliage Aspens Fine Art Landscape Nature Photography DJI Mavic 2 Pro Drone Hasselblad L1D-20c Camera 20MP 1” CMOS Sensor! Elliot McGucken Master Fine Art Aerial Drone Photography Colorado Fine Art US 550!
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Season of mists and mellow fruitfulness
Close bosom-friend of the maturing sun
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With fruit the vines that round the thatch-eves run;
To bend with apples the moss'd cottage-trees,
And fill all fruit with ripeness to the core;
To swell the gourd, and plump the hazel shells
With a sweet kernel; to set budding more,
And still more, later flowers for the bees,
Until they think warm days will never cease,
For Summer has o'er-brimm'd their clammy cells. --To Autumn. by John Keats
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QRD1114 Infra red sensors embedded in milliput, to get the infrared emitter diode and infrared phototransistor separated enough to have the fit either side of the sleepers on z-scale track.
This is my old Agfa Optima 1035 Sensor, a 1960's era point-and-shoot with a simple sensor that tells you if you're doing it right...or it tries to, anyways. I found it at a thrift store--a case of them not knowing what it is and tossing it in with everything else. This enabled me to get it for $4. The rewinder is broken, so I have to lock myself in the dark bathroom and rewind rolls by hand. Am thinking about trying to use a drill to do it way faster next time.
It has since been cleaned up.
New sensors. More intelligent apps. Mobile-connected smart objects. Wearables. LTE. Augmented reality. Multi-platform development tools. Precision indoor location sensing. Ultra HD. Flexible screens. The list of anticipated future mobile technologies goes on and on.
On April 23, NYC Media Lab and Razorfish presented an evening of demos and discussion on Mobile Futures to learn what’s on the verge of commercialization, what’s still in the lab, and what advances will change the nature of media and communications in the future.
Learn more at www.nycmedialab.org.
The HOBOnet TEROS 12 is a wireless sensor that works with the HOBOnet system to not only provide advanced soil moisture (volumetric water content) measurements with better accuracy and precision but also measure soil temperature and electrical conductivity. Designed to withstand harsh environmental conditions, these durable sensors last up to 10 years, so you can leave them in the field for extended periods of time. Sharpened stainless-steel probe tips make installation easy, even in hard soil, and a large volume of influence provides more accurate results.
The HOBOnet system is a cost-effective and scalable wireless sensor network for web-enabled monitoring of field conditions for applications such as crop management, research, and greenhouse operations. And because it’s wireless, you can deploy a network of sensors to easily monitor multiple points with a single system, while avoiding the risk of long cables that can interfere with field operations and are potentially vulnerable to nearby lightning strikes.
Sensors are easily linked to the network, and data can be accessed through HOBOlink®, Onset's innovative cloud-based software platform.
Highlighted Features
• Soil moisture (volumetric water content), soil temperature, and electrical conductivity measurements with one device
• Sensor lasts up to 10 years in the field
• Largest volume of influence (1010 mL) relative to sensor size, resulting in more accurate soil moisture measurements
• Easy installation with sharpened stainless-steel probes that are more resistant to damage/deterioration
• Less sensor-to-sensor variability
First results of the new line sensor TSL1401CL 128 pixels at 400 dpi resolution. This signal show the piek level of the green laser on a white surface reflection. The signal is here is saturated due to the white surface.The intergration time is 47.5 us and the scan time is 70 usec. Even on a black surface the signal is about 1V. The readout of the analog signals are done by 2 ADC convertors type ADS7885 here at 32 MHz clock. The line sensor is more sensive compared to the previous version TSL202R at 200 dpi.
For the optic see:
All soldered together, working, and sealed up in a nice box. Now just to write software to do something interesting with it.
It's been awhile since I've been able to work on any fun projects but this weekend I dug an old Raspberry Pi out of the junk box. Flashed the OS. Adding an ADC hat and non-invasive current sensor to monitor 240v power usage by the Bitcoin miners
Agfamatic Sensor 100, Germany, 1971.
What must be the best, most minimalist case ever designed for a camera.
The Agfamatic 100 is a viewfinder camera for Pak-Film 126 cassettes. It has an Agfa Colorstar lens with fixed focus and fixed aperture. Two shutter speeds are selectable with the ring around the lens barrel, the scale showing a cloud and a sun symbol. The camera has a single stroke advance lever that advances the film, cocks the Parator shutter and turns the flash cube holder on which magicubes can be fired as flash. On the axis of the advance lever is the red "sensor", the shutter release button hidden under a round piece of red foil.
-Camerapedia