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xxx1

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  1. Like
    xxx1 reacted to reaper7 in New Chip Alert: The ESP8266 WiFi Module (It's $5)   
    I wrote to manufacturer of the ESP8266 IC request to release more detailed documentation.
  2. Like
    xxx1 reacted to bluehash in New Chip Alert: The ESP8266 WiFi Module (It's $5)   
    I've bought from Aliexpress a number of times. You are good!
     
    @@pyrosster I can organize one if interested.
     
    Contacted Aliexpress+ElectroDragon. Will see how they respond to a bulk order of 15-20 units.
     
    Looks like an interesting chip.
  3. Like
    xxx1 got a reaction from bluehash in New Chip Alert: The ESP8266 WiFi Module (It's $5)   
    I have seen this on hackaday.com http://hackaday.com/2014/08/26/new-chip-alert-the-esp8266-wifi-module-its-5/
     
    What do you think?
     
    Electrodragon $4.50 http://www.electrodragon.com/product/esp8266-wi07c-wifi-module/
    Documentation here: https://nurdspace.nl/ESP8266
     
  4. Like
    xxx1 got a reaction from Automate in New Chip Alert: The ESP8266 WiFi Module (It's $5)   
    I have seen this on hackaday.com http://hackaday.com/2014/08/26/new-chip-alert-the-esp8266-wifi-module-its-5/
     
    What do you think?
     
    Electrodragon $4.50 http://www.electrodragon.com/product/esp8266-wi07c-wifi-module/
    Documentation here: https://nurdspace.nl/ESP8266
     
  5. Like
    xxx1 got a reaction from JonnyBoats in New Chip Alert: The ESP8266 WiFi Module (It's $5)   
    I have seen this on hackaday.com http://hackaday.com/2014/08/26/new-chip-alert-the-esp8266-wifi-module-its-5/
     
    What do you think?
     
    Electrodragon $4.50 http://www.electrodragon.com/product/esp8266-wi07c-wifi-module/
    Documentation here: https://nurdspace.nl/ESP8266
     
  6. Like
    xxx1 got a reaction from cubeberg in New Chip Alert: The ESP8266 WiFi Module (It's $5)   
    @@bobnova Thanks!
    @@cubeberg 10$ including shipping? It's very good!
     
    Hey! Group buy??? I'm sure many of us we would be interested! :rolleyes:
  7. Like
    xxx1 got a reaction from bobnova in New Chip Alert: The ESP8266 WiFi Module (It's $5)   
    I have seen this on hackaday.com http://hackaday.com/2014/08/26/new-chip-alert-the-esp8266-wifi-module-its-5/
     
    What do you think?
     
    Electrodragon $4.50 http://www.electrodragon.com/product/esp8266-wi07c-wifi-module/
    Documentation here: https://nurdspace.nl/ESP8266
     
  8. Like
    xxx1 reacted to petertux in MSP430 tracker   
    here's my latest project, a fully open-source msp430f5510-based gps/gprs tracker. it's a device that wakes up every few minutes and does the following:

     - tries to get a gps fix
     - connects to the gsm network, marks the tower cell ids it talks to
     - executes sms commands received - if any
     - starts a gprs connection and sends all the info it has collected via http to my server

    it does all this only based on interrupts (zero blocking functions are used - all the similar projects I've seen are riddled with delay()s).
    functions that fail due to network unavailability are retried a given number of times.

    the data received on the server is placed into a database and gps positions of the cell towers are obtained for future triangulation. this info can be used if there is no gps coverage due to obstacles.
     


    to give a little context, I felt the need of making my own tracker because I bought something like this an year ago and quickly became dissapointed by the dubious quality of the hardware design and software of the product.

    here is the first prototype - the magnet wire was used to debug the hardware flow control-enabled UART of the sim900.



    the first assembled module is ready to be used on my trip to Greece. instead of a small flat LiPo I ended up using 2 cells from a discarded laptop battery - there was no time to wire this to my motorbike. now after ~20 days it is still tracking.



    I am pretty happy with this first revision, but I'm working on the next one that will include a small serial fram chip. I decided to use that as a buffer because of the weird way the mobile phone company is counting the gprs traffic.

    for some more eye-candy, you can see my route from home to Ouranoupoli on a google-map overlay here:
    http://www.simplex.ro/files/trips/test.html
     
    waypoints are 10 minutes apart, the trip took 10 hours and about 800km.

    project home: https://github.com/rodan/tracy
     

     
  9. Like
    xxx1 reacted to spirilis in OSHpark - Swift Service this weekend   
    Saw on oshpark's twitter, orders placed this weekend (2 layer only) will be rushed so they ship out on Friday.
     
    Sent from my Galaxy Note 10.1
  10. Like
    xxx1 reacted to Antscran in Made a couple of MSP430 tutorials   
    Hi all,
     
    I have made a couple of MSP430 Tutorials and thought I would share the links here:
     
    ADC tutorial and example code
    I did this one awhile ago and just covers the ADC with 3 example codes, multiple channels, multiple reads etc
    http://coder-tronics.com/msp430-adc-tutorial/
     
    Timer tutorial and example code
    Only posted recently and covers both timers on the MSP430G2253, again with 3 examples PWM, interrupts etc.
    http://coder-tronics.com/msp430-timer-tutorial/
     
    Programming tutorial covering the GPIO and peripheral registers
    I found this all a little confusing when I started out and had a question from someone recently, so thought I would try and break it down into simple terms.
    http://coder-tronics.com/msp430-programming-tutorial-pt1/
    http://coder-tronics.com/msp430-programming-tutorial-pt2/
     
    Switch Debouncing tutorial with several MSP430 code examples
    Just some useful information on switch debouncing as well as some code useful code examples
    http://coder-tronics.com/switch-debouncing-tutorial-pt1/
    http://coder-tronics.com/switch-debouncing-tutorial-pt2/
     
    Hopefully they are of some use  ,
     
    Cheers,
    Ant
  11. Like
    xxx1 reacted to bluehash in Ti-eStore Back to School Deals - MSP-FET + Launchpads   
    http://e2e.ti.com/blogs_/b/msp430blog/archive/2014/08/20/back-to-school-deal.aspx
     
    MSP-FET  New, fast, EnergyTrace-enabled programmer/debugger for all MSP430 MCUs   50% off  MSPSCOOL1
    MSP-EXP430FR5969 The lowest-power LaunchPad kit 35% off  MSPSCOOL2
    MSP-EXP430G2 Features a DIP for easy bread-boarding 20% off  MSPSCOOL3
    MSP-EXP430F5529LP Offers expanded memory and input/output pins 10% off  MSPSCOOL4
  12. Like
    xxx1 got a reaction from bluehash in SURPRISE!! THANK YOU! 2 Coupons   
    Texas Instruments 2 coupons codes. Enjoy!!
     

  13. Like
    xxx1 got a reaction from pine in SURPRISE!! THANK YOU! 2 Coupons   
    Texas Instruments 2 coupons codes. Enjoy!!
     

  14. Like
    xxx1 got a reaction from dubnet in SURPRISE!! THANK YOU! 2 Coupons   
    Texas Instruments 2 coupons codes. Enjoy!!
     

  15. Like
    xxx1 got a reaction from JonnyBoats in SURPRISE!! THANK YOU! 2 Coupons   
    Texas Instruments 2 coupons codes. Enjoy!!
     

  16. Like
    xxx1 got a reaction from tripwire in SURPRISE!! THANK YOU! 2 Coupons   
    Texas Instruments 2 coupons codes. Enjoy!!
     

  17. Like
    xxx1 reacted to bluehash in Newark 15% Coupon Code   
    Enjoy. Let me know if you find it handy.
     

  18. Like
    xxx1 reacted to szhao in RC Car Made with LaunchPad Box   
    Since I am working on the Robotics Boosterpack with @@HylianSavior and @@jwp071, I decided to make a prototype with the box LaunchPad comes with. I've used Firmata to send command to LaunchPad. Check out my other post here. 
     


     
    A quick overview of what's inside.
    Hardware
    - G2 LaunchPad Box 
    - MSP430F5529LP
    - Fuel Tank Boosterpack
    - DRV8833 Motor Drive Control
    - HC-06 Bluetooth
    - Pololu Gear Motor
    - Caps, wires, breadboard
     
    Software
    - Firmata over serial (enabled by Bluetooth)
    - Energia Library on LP
    - NodeJS on PC
  19. Like
    xxx1 reacted to NJC in BLE BoosterPack (BLE112)   
    Hi Everyone!
     
    Recently, I released a Bluetooth Low Energy BoosterPack based on the BLE112 module from Bluegiga. The full-featured BoosterPack is a bit expensive, but there are a few different options that can make the BoosterPack very reasonable. I wanted to create this post so that you guys can ask me any questions you may have about it.
     
      Blank PCB: $10 - The BLE BoosterPack was designed with 0805 components and other easy to solder parts making it easy to hand assemble. For $10, you get a blank BoosterPack that can you assemble yourself. The layout and bill of materials (BOM) is available on GitHub. If you need help with finding a component on Mouser or Digikey, let me know.
     
    BLE Only: $40 - This options contains all you need to use the BLE112 module with a LaunchPad. Additionally, the USB connector is included, allowing stand-alone use with your PC and USB firmware updates. This means that you don't need the CC Debugger to update the BLE112 firmware.
     
    Complete with Linear Regulator: $50 - Rather than using a switching regular, this option uses a linear regulator to reduce cost. Other than using a different regulator, this is the full-featured BoosterPack.
     
    Complete with Switching Regulator: $65 - If you care about maximizing your battery life, this is the board for you. Using the TI recommended switching regulator, this board can has unbeatable power consumption.
     
    Check out the demo video for a bit more info.
     

     
    While the full-featured board is a bit pricey, it does include all you need to make your project completely wireless: A BLE module, a lithium battery charging circuit, and low-power voltage regulator.
     
    If you have any questions, please don't hesitate to comment here.
     
    Thanks guys!

  20. Like
    xxx1 reacted to JonnyBoats in Project in QEX magazine using MSP430   
    There is a construction article "An RF Filter Evaluation Tool" in the July-August 2014 issue of QEX magazine which uses a MSP430.
     
    http://www.arrl.org/files/file/QEX_Next_Issue/2014/Jul-Aug_2014/Richardson_QEX_Jul-Aug_2014.pdf
     
     
  21. Like
    xxx1 reacted to TI_Trey in Quadcopter BoosterPack   
    Here's a little more information on how its setup:
     
    4x TMS320F28027F + DRV8312 make up the ESC.  That is the bulk of what is on the board which you can see on the first post.
    1x C2000 LP acts as the brain.  This board decodes the control signals and sends torque commands to each of the ESCs via a PWM signal.  This LaunchPad runs the open source AeroQuad firmware on top of Energia...which also means other LaunchPads could be used as the brain.
    Control Inputs come via a standard RC 2.4GHz radio and receiver.  Because the LaunchPad doesn't have 1 million capture inputs I am using a receiver which supports S.Bus.
    3 axis accelerometer, gyro, magnetometer, barometer and GPS
     
    I agree that for efficiency it would be better to integrate the "brain" microcontroller on board and do away with the headers, but part of the cool factor of this is the open source nature and the ability to share boosterpacks between the different LaunchPads.
     
    I'll post some pictures of the boards when I get them next week.
  22. Like
    xxx1 reacted to greeeg in 120 LED Ring Clock   
    I've been working on the code for the control board. Here is a quick demo.
     


     
     
    I've ordered a few more parts (accelerometer, regulator, levelshifter) which my board is running without currently.
     
    Here is a BOM (not including LEDs)
     
    Accel (MMA 8453) $1.31 level converter       $0.26 resistor/caps    14x $0.003 regulator         $0.60 32.768kHz crystal  $0.726 MSP430g2553  $2.73 Total: $5.40
     
    Since the BOM is quite low, I would have no issue populating some of these board for other members, (I would make this a donation to cover BOM+time.) but how about a flat $10USD
    If you'd like to DIY, I can ship the bare PCBs for free to members of the group-buy.
     
    Also, if you'd like a controller, but don't have any LEDs left, I have a few left.
     
    @@pyrosster @@dubnet @@t0mpr1c3 have already expressed interest, if you all drop me a PM, that would be much appreciated.
  23. Like
    xxx1 reacted to greeeg in 120 LED Ring Clock   
    Controller boards arrived!!
     
    I actually do not have some of the parts needed to make these. I am missing the level shifter, vreg, and accelerometer. 
    DK and Mouser shipping is a flat $30 for orders < $200 to AUS, so I'm still in the process of pooling up an order for multiple projects.
     
    I've soldered up the almighty MSP430, crystal, and 2 LEDs. Will get around to writing some code soon.

     
    These boards, since they were based off the ring boards, have similar minor errata as mentioned above/first post.
    The via ground connect has been fixed though.

     
  24. Like
    xxx1 got a reaction from GeekDoc in [Group Buy-18][D] WS2812 SMD RGB LEDs with integrated driver chip   
    Finally, I finished soldering those leds and I'm very happy with the result.
    Given that I have not had much free time.
     
    @@greeeg the boards are really nice.
     
    @@cubeberg I like your printed cover.


  25. Like
    xxx1 got a reaction from bluehash in [Group Buy-18][D] WS2812 SMD RGB LEDs with integrated driver chip   
    Finally, I finished soldering those leds and I'm very happy with the result.
    Given that I have not had much free time.
     
    @@greeeg the boards are really nice.
     
    @@cubeberg I like your printed cover.


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