View allAll Photos Tagged oscilloscope
- I had the pleasure of play this classic arcade game Asteroid. The original arcade version is based on a vector CRT monitor, like the type used in oscilloscopes, which is essentially a glass screen that glows with graphics from the electron beam shot from behind. There is just something awesome about this type of retro graphics. Here on this "screen shot" (literally with my camera) you can see the artwork behind the screen and a shadowy reflection of me taking this photo while controlling the ship.
I take photos of my Kenwood oscilloscope with my cameras, with different lenses. This way, it's the same subject, yet seen with a different rendering. I always adjust all my photos to bring out the best of what was captured. Nothing elaborate, done in under 5 minutes - just basic white balance, contrast, saturation, and fine tuning color / luminance noise reduction - all in DPP4. Here, we are looking at the 5D classic with the Sigma ART 35mm lens, wide open at F1.4.
In the wee hours of Friday morning last, I got caught up in discussions with a friend and a lover (two different people). Two random conversations about oscilloscopes, dating and relationships, Black Box Recorder, Sarah Nixey and The Jesus & Mary Chain. Subsequently, I didn't get back to photo editing.
That afternoon, I caught up with one of those people and three other friends for our first proper reunion since well before the lockdown started in March 2020.
Of the four friends I met with, I'd only seen Sophie in the interim, and even then, on three occasions months apart.
It was a lovely afternoon and evening which lasted longer than I had expected but still felt all too short.
Here's to things getting back to normal over the coming months and us being able to catch up more regularly again.
Love you all x
Psst! I posted this photo early access for my Patreon patrons a week ago. Become a patron.
Come make your own gadget, robot or wearable art at Tam Makers!
We started a new ‘open shop’ program called ‘You Can Make It’, to help you create your own maker project with our community. This workshop for adults and teens takes place on Wednesday evenings in our makerspace at Tam High School in Mill Valley. Our first series was held on three Wednesdays in a row: June 29th, July 6th and 13th, between 6 and 9pm.
On the first night, we helped eight participants plan their projects, prepare their materials and develop new skills. They then built their projects the following weeks, with guidance from instructors and other participants.
Here are examples of projects they worked on: a garage door opener, an animated owl, an engraving, solar-powered lights, a theremin, a wooden frame, an illuminated art piece and more. They used a wide range of tools to build them, from Arduino boards to our laser cutter, oscilloscope, and radio transmitters and solar-power technology.
One of the great benefits of this open shop program is that you get a lot more than just access to tools: you join a community of makers who like to make things together and help each other. On that first night, we had three mentors on hand to coach participants: Geo Monley, Fabrice Florin and Donald Day, who also teach at Tam Makers.
Participants seemed to enjoy this ‘You Can Make It’ open shop and told us they got a lot from it. This is one of our first maker workshops at Tam Makers, and we’re really happy that it is going well; we look forward to offering more open shop sessions in the fall.
Learn more about You Can Make It:
www.tammakers.org/you-can-make-it/
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www.flickr.com/photos/fabola/albums/72157670867561896
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This is the effect an envelope generator has on an audio signal. Here I have an ADSR type envelope. (Attack, Decay, Sustain, Release) controlling the VCA (Voltage Controlled Amplifier). The yellow is the audio going in to the VCA and the blue is the audio output after the VCA.
Sweep Function Generator, built in 1994 from an Elektor magazine article. Added today (2020/02/23) an Arduino and a 0.49" LCD, to display the frequency and period of the output signal, with auto-range scale.
- Sweep Function Generator (20Hz...200kHz) Elektor PT nº70 (Oct.1990)
- XR2206 output pin 11 - trough 100KOhm
- Arduino Nano Pro - ATmega328P 5v 16MHz - Input pin D5
- OLED 0.49" 64x32 SSD1306 I2C
Arduino code on GitHub:
github.com/Mortymore/Arduino-freq.meter-for-XR2206
Library for SSD1306 display and aditional info: U8g2lib.h
Library for frequency measurement: FreqCount.h
The 5BP1 CRT was announced by RCA in November of 1938, under the pre RMA number, 1802-P1. It was designed for television and oscillographs. A white phosphor tube 5BP4/1802-P4 was intended for television only, although it did appear in at least one war time oscilloscope - its white phosphor being more grainy. The 1802-P4 was used in the RCA TRK-5 and TT-5 televisions of 1939. Meissner also had a kit with the same tube. Andrea appears to have given the option for either the P1 or P4 tube in their set.
The 1802 was popular for wartime radar and oscilloscope type instruments, and as a result was very plentiful and cheap in disposals stores post war.
With a good tube correctly focused and shielded, the 5BP1 image looks as though it's etched on the glass, it's that sharp.
See article here members.iinet.net.au/~cool386/5BP1/5%20inch%20TV%20receiv...
Master Builder Academy : Kit 1-12
Oscilloscope - instagram.com/p/gWOL3MmWTq/
Inspired by Lee Young - www.flickr.com/photos/96301917@N06/10638864943/
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One of my vintage synthesizers. It still looks as good as in the photo and has that classic Fat analog sound. IC chips inside date it to mid 1983. I have the Resonance set to almost self oscillation creating sine waves riding on a saw up waveform.
I dated it be the serial number since I posted this. It was made October 1983.
Also in the photo is my vintage Tektronix Type 434 analog storage oscilloscope. It was made in 1986. However, the 434 was introduced in 1972.
My current AVR (ATMEL) development setup.
An old hand-me-down Tektronic T935A (analog) oscilloscope on the left. An old Sony VAIO F-610 (circa 2000) running Windows 98 on the right.
The oscilloscope still works, though I find I need to let it sit for a couple of minutes after I turn it on so that the trace-line can drift down to the center line mark. ;-)
The current project is using a 16MB SD memory card to store images and sound (Roman Black's BTc [1-bit compressed] audio) which the ATmega328 can display and play.