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Computer controlled shutter for the Automatic 100 series packfilm cameras with manual exposure control. See www.chemie.unibas.ch/~holder/shutterpic/index.html
Photos from our craft room. This is a dump of photos from my phone. Many may be duplicates or similar angles.
Microchip today announced a new series of its low-cost, high pin count 32-bit PIC32 microcontrollers (MCUs). By blending the key features of Microchip’s existing PICM32MX1/2 and PIC32MX5 MCU families, this latest PIC32MX1/2/5 MCU series delivers designers the benefits of a rich peripheral set for a wide range of cost-sensitive applications that require complex code and higher feature integration at a lower cost. With up to 83 DMIPS performance and large, scalable memory options from 512/64 KB Flash/RAM to 64/8 KB Flash/RAM, these new PIC32MX1/2/5 MCUs are ideal for executing the Bluetooth® audio software required for low-cost Bluetooth audio applications, such as speakers, consumer music-player docks, noise-cancelling headsets and clock radios. Flexible, easy-to-use CAN2.0B controllers are also integrated into these MCUs, with DeviceNet™ addressing support and programmable bit rates up to 1 Mbps, along with system RAM for storing up to 1024 messages in 32 buffers. This feature allows designers to easily employ CAN communication schemes for industrial and automotive applications. For more info, visit www.microchip.com/PIC32MX-Page-110314a
My first look at the circuitry of the YN-460 flash.
This is the inverter board that drives the flash tube.
BTW thanks TC. for being the first to risk it!
PS see this discussion for more info
Detail of a single chip calculator IC from 1971, arguably one of the first microprocessors or microcontrollers having a RISC instruction set in ROM and with RAM. This complex IC was drawn by hand on Mylar film and photo-reduced 400X. Calculators became the largest market for ICs by the mid 1970s.
Physical loopback: USB to serial. On the left of the screen is the USB port, where I'm catting a big file into /dev/ttyUSB0; on the right side of the screen is picocom, receiving the file off /dev/ttyS0. To the left of the computer you can see the silver USB cord, going to a bog-standard FTDI232 translator board, then through a Dallas DS275 ttl-to-RS232 voltage converter, and then through the rainbow-colored cabling to the serial port. This is a proof-of-concept version of the front end of an Arduino, allowing me to do tiny embedded Arduino boards consisting of just the processor and clock circuitry, while still using the Arduino software interface framework.
This is to connect a microcontroller and an audio device via BT. Credits are going Frank Zhao for his design of BT headphones.
This is a snapshop of a TV/VGA monitor displaying the output of my simple circuit to display music on a VGA monitor like on an oscilloscope.
It is quite difficult to take a picture of a thin line without overexposing...
For more details go to :
See the blog post: rasterweb.net/raster/2011/07/14/terrible-photos/
(Or this one: rasterweb.net/raster/2011/04/21/diavolino/ )
Arduino Nano based with Adafruit RTC, MicroSD Datalogger and BMP085 Temperature & Pressure Sensor. Plus LED beacon and optional Camera Interval Timer Shutter Trigger.
All finished! Hook the servo up to your microcontroller and give it a test.
When told to go to position 0 (1500µs), it should stop. Less than 1500µs, it should move backwards, and more than 1500µs will move it forwards.
If you find your potentiometer has slipped, test different centre positions until it's completely stopped - you should find it will be stopped at three different microsecond times. Use the central one. Then, the servo will generally go full backwards at centre-200 and full forwards at centre+200.
Attach wheels and have fun!
This is to connect a microcontroller and an audio device via BT. Credits are going Frank Zhao for his design of BT headphones.
I'm getting a Lily Pad wearable open source arduino microcontroller in the mail soon and i can't wait to get going with it!
Microchip’s April 2010 acquisition of Silicon Storage Technology, Inc. (SST) included a legacy 80C51 MCU business, which Microchip has continued to support. For more information, visit Microchip’s Web site at www.microchip.com/8051legacy.
Two Nikon SB800 flash units controlled by an Arduino microcontroller. Triggered by a piezo sensor on the air gun.
Thx for assistance and location to Jürgen Stemper // Bloemche
The Wi-Fi® Comm Demo Board combines Microchip’s best-in-class 32-bit PIC32 microcontroller family with its low-power MRF24WB0MA agency-certified, IEEE 802.11, embedded Wi-Fi radio transceiver module. Additionally, Microchip provides a free and full-featured TCP/IP stack, which is available today for download at www.microchip.com/TCPIP. This compact and cost-effective demo board is easy to integrate with existing embedded designs, to evaluate Wi-Fi connectivity and 32-bit performance with minimal effort. For more info, visit: www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&...
An Arduino being used to measure the speed of a 12V computer fan. An IR light emitter and photodetector are placed on either side of the fan. As the fan blades spin, they break the beam of light coming from the IR emitter from being seen by the detector. By counting how often this happens, we can figure out how fast the fan is spinning. In this picture, the LCD display says the fan is spinning at approximately 5040 RPM. This was programmed in C++.
This project was interesting because it is a very direct way to see how fast computers really are. The fan is spinning so fast that it just looks like a blur to the human eye, but even this tiny, not-so-powerful microcontroller had no problem keeping up with it and counting the rotations. Very cool.