View allAll Photos Tagged microcontrollers
I needed to dump the contents of a Mostek MK36000 series 24-pin 8Kx8 masked ROM. I kludged it up to a Texas Instruments Launchpad kit with a TM4C1294 microcontroller, which uses an ARM Cortex-M4 core. The EPROM is connected to the microcontroller's expansion bus interface, with the data bus buffered by an SN74LVC245A bus buffer because the ROM needs 5V but the microcontroller is not 5V tolerant. Code was written in C to read the ROM contents and output a hex dump over the USB serial interface.
The large red and black clips near the top left corner connect to a lab power supply set to +5.0V. The other red clip is from another output of the lab supply set to +3.3V. The multicolor ribbon jumpers connect to the expansion bus interface and ground of the microcontroller. One corner of the SN74LS245A buffer is seen under the +3.3V clip. The masked ROM, not present in the photo, goes into the breadboard near the middle, between two other sets of ribbon jumpers. The grey clips connect to a mixed-signal oscilloscope I used to verify that the bus was working correctly.
You might ask, "But Eric, why did you go to so much work?" The MK36000 is footprint-compatible with the Motorola MC68764 EPROM, but my Data I/O Unisite won't read the masked ROM, and reports a device insertion error. This is apparently because it draws less current than the EPROM. I tried putting a resistor in parallel from Vdd to GND to match the expected Idd, but wasn't able to make that work.
This has had a "new coat of paint" to misquote the Rev R.W. Awdry, and a few software revisions since the earlier photos.
Revisions to the Arduino IDE required some tweaking of the code to allow the compiler to run without errors.
I caused the original 60kHz receiver to go faulty inadvertently whist "fault" finding - this had stopped working, but it turned out that the problem that was the Time Code transmitter (MSF itself) was off the air for maintenance.
I replaced it with a different type of module (A "Canaduino" unit from Canada), and have since managed to get the original one working by running it off a much reduced supply voltage. The orignal module is now back in my "test bed" with some supplementary circuitry to allow it to work in that environment.
Simple 8 LED Microcontroller for the Ear Pucks on Daft Punk's Thomas Bangalter's helmet. Total of two and will be fitted into opaque plastic and then sandwiched between the chromed silver pucks.
This is an image of the Parallax bs2p40 BASIC Stamp microcontroller (bright orange thing at right) superimposed over a screencap of the Russian FB-sub circuit board containing nuclear warhead arming codes from episodes 20 and 21 of season 6 of "24." I will say no more, in case you're a fan, and aren't caught up to this point currently.
It looks like they added a chip over the empty space where it says "MAIN I/O" and "AUX I/O," and some kind of axial lead component across the end (top in this pic). Also, some kind of connector adapter runs down the whole AUX-side row of pins in the show version.
Arduino is een opensource-computerplatform dat is opgebouwd rond de ATmega168-microcontroller van Atmel en het softwareontwikkelplatform Processing. Dit platform is bedoeld voor hobbyisten, artiesten, kunstenaars en iedereen die geïnteresseerd is in het maken en ontwerpen van slimme en creatieve objecten die kunnen reageren op hun omgeving.
Met Arduino is het mogelijk apparaten en objecten te creëren die reageren op hun omgeving door middel van digitale en analoge inputsignalen. Op basis van deze input kan een Arduinoschakeling autonome actie initiëren door het afgeven van digitale en analoge outputsignalen. Input kan bijvoorbeeld worden gegenereerd door schakelaars, lichtsensoren, bewegingsmeters, afstandsmeters, temperatuursensoren, of op basis van commando's afkomstig van internet, een radiomodule of een ander apparaat met een seriële interface. Outputsignalen kunnen bijvoorbeeld motoren, lampjes, pompjes en beeldschermen aansturen, maar ook input genereren voor een andere Arduinomodule.
Daarnaast bestaan ook zogenaamde "shields". Deze integreren vaak verschillende sensoren en modules in één printplaat. Deze kan dan gemakkelijk op de Arduino aangesloten worden door hem te plaatsen op de input-/outputpinnen van de Arduino. Vele van deze shields worden verkocht als kit en dienen dus zelf nog gesoldeerd te worden. Veelvoorkomend zijn de wifi- en gps-kits. Naast deze kits kan ook een ProtoShield gekocht worden die dienstdoet als breadboard om op te experimenteren.
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With this X-10 Firecracker radio transmitter plugged in to the DB9 port, the BS2 microcontroller program can now turn the room lights off & on automatically before & after each exposure is made.
View or Download my updated program listing (text file) here:
bzfoto.com/WaterDropControl-v2.bs2
or PDF with line numbers here:
Product image of components from the Jennic range - www.sequoia.co.uk/components/manufacturer_list.php?m=12&a...
Jennic is a market leader in ZigBee, 6LoWPAN, IEEE802.15.4 wireless microcontrollers, modules and evaluation kits.
The PmodCLS is a character LCD module driven by the Atmel ATmega48 microcontroller. With a display size of 16x2 characters, users may display any information on the screen by communicating via SPI, I2C, or UART.
store.digilentinc.com/pmodcls-character-lcd-with-serial-i...
Sold as a pair, these clips are made from rugged injection-molded polycarbonate and have been designed to accomodate any board measuring 2.1" wide. This includes the chipKIT Uno32, Max32, uC32, and WF32.
With three mounting holes spaced ½" on center, it's easy to fasten the clips to your project with screws & nuts or whatever you choose. Then just clip in your chipKIT board and go! zUNO Clips have been used in various projects ranging from robotic platforms, mounting on belts and other clothing, and holding things in place while breadboarding.
store.digilentinc.com/chipkit-zuno-clip-mechanical-mount-...
Today I finished the first version of my grease monitor system. This
device consists of a microcontroller that monitors three temperature
sensors. The microcontroller then illuminates different LEDs to show
how warm the grease is. This can give grease users a better idea of
when to flip to veg oil while driving. It can also be used while
heating grease for filtering and de-watering. See schematic.
"new mexico"
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The chipKIT™ WF32 is a prototyping platform that adds the performance of the Microchip® PIC32 microcontroller. The WF32 is the first board from Digilent to have a WiFi MRF24 and SD card on the board both with dedicated signals. The WF32 board takes advantage of the powerful PIC32MX695F512L microcontroller, which features a 32-bit MIPS processor core running at 80 MHz, 512K of flash program memory, and 128K of SRAM data memory. The WF32 can be programmed using the Multi-Platform Integrated Development Environment (MPIDE). It contains everything needed to start developing embedded applications. The WF32 features a USB serial port interface for connection to the MPIDE and can be powered via USB or by an external power supply. In addition, the WF32 is fully compatible with the advanced Microchip MPLAB® IDE and works with all MPLAB compatible in-system programmer/debuggers, such as the Microchip PICkit™3 or the Digilent chipKIT PGM.
store.digilentinc.com/chipkit-wf32-wifi-enabled-microntro...
chipKIT™ Pi™ (designed for Raspberry Pi®) is the latest chipKIT platform from Microchip® and Element14. It features a 32-bit PIC32 microcontroller in a prototyping-friendly, low pin count SPDIP package. The PIC32's performance, memory, and integrated peripherals allow users to create applications including touch sensing, audio processing, and advanced control. The board is supported by the free chipKIT MPIDE that can be hosted on the Raspberry Pi.
store.digilentinc.com/chipkit-pi-add-on-board-for-raspber...
Final Year Projects, IEEE Projects, IEEE Projects Chennai, IEEE Projects 2011, IEEE Projects 2010, Embedded Projects, Embedded System Projects, Projects at Chennai, Projects in Chennai, Engineering College Projects, BE Projects, BTech Projects, ME Projects, MTech Projects, IEEE Projects, Projects in IEEE, Projects in INDIA, Final Year Projects in Tamil Nadu, Microcontroller Projects, VLSI Projects, MATLAB Projects, ATMEL Projects, DSP Projects, IEEE VLSI Projects, IEEE DSP Projects, IEEE Matlab Projects, IEEE Microcontroller Projects, IEEE Microcontrollers Projects, IEEE Embedded System Projects, IEEE 2011 2010 2009 Projects, IEEE on Embedded System, College Projects, Engineering Student Projects, Projects Chennai, Projects Tamil Nadu, Projects Coimbatore, Projects Madurai, Good Final Year Projects, Low Cost Final year Projects, Diploma Projects, Final Year Diploma Projects, Final Year Polytechnic Projects, ME Engineering Projects, MTech Projects, Real Time Projects, Embedded Microcontroller Kit Projects, Model Projects, IEEE Project Domains, Robotics Projects, MEMS Projects, Telecommunication Projects, Biomedical Projects, GPS Projects, GSM Projects, VLSI Projects, CPLD Projects, FPGA Projects, Blackfin DSP Projects, ADSP Projects, Power Electronics Projects, Power System Projects, Zigbee Projects, Electrical Projects, Communication Projects, RFID Projects, VOICE HM2007 Projects, RF Projects, Wireless Projects, Wireless Communication Projects, Finger Print Projects, IEEE Power Electronics Projects
a speaker for my picaxe experimenting box, with screw terminals on the back.
The speaker is from an old mobile phone and isn't the greatest, but it works
Wire wrapping a project like this makes it really easy.
www.cheaphack.net/2008/03/multi-color-lamp-from-some-reus...
The 5V 4000mA switching power supply comes with US and EU plug adapters and is for use with Digilent FPGA & Microcontroller boards.
The MPLAB PICkit 3 allows debugging and programming of PIC and dsPIC Flash microcontrollers at a most affordable price point using the powerful graphical user interface of the MPLAB Integrated Development Environment (IDE). The MPLAB PICkit 3 is connected to the design engineer's PC using a full speed USB interface and can be connected to the target via an Microchip debug (RJ-11) connector (compatible with MPLAB ICD 2, MPLAB ICD 3 and MPLAB REAL ICE). The connector uses two device I/O pins and the reset line to implement in-circuit debugging and In-Circuit Serial Programming.
Product image of components from the Jennic range - www.sequoia.co.uk/components/manufacturer_list.php?m=12&a...
Jennic is a market leader in ZigBee, 6LoWPAN, IEEE802.15.4 wireless microcontrollers, modules and evaluation kits.