Workshops at Olimex Training Building – 10th of January – Intel vs ARM, IoT and SMT Technology

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2014 is almost gone, New Year is coming and we will start the year with three Workshops on January 10th.

Update your agenda: Starting from 14.00 o’clock on 10th of January in Olimex Training Building there will be three interesting workshops.

First Workshop will be about Intel vs ARM. Minnowboard MAX will be compared to OLinuXino and RK3188-SOM-EVB in terms of productivity, power consumption, Linux support, etc.

Second Workshop will present ESP8266 and RT5350 OSHW boards for IoT applications.

Third Workshop will be about SMT technology, type of components, how to design PCBs for SMT, what is solder paste, how to handle solder paste, how to design stencil for solder paste, how to print solder paste, reflow profiles, how to make profile and how to trouble shoot problems with SMT technology like printing, soldering etc. There will be practical demonstrations and will be shared know-how captured for the 23+ years of experience with electronics manufacturing which cost gold :)

Everyone is invited! This is free event.

Weekend Programming Challenge – Week #71 Solutions

We got 3 solutions this weekend!

  • C# x1
  • Python x1
  • C x1

You can browse them on GitHub as usual.

Weekend Programming Challenge – Week #71 Knock Lock

cat_004_knockknock

Problem:

Make code which implements knock pattern recognition for door open/close. There must be option to learn knock sequence.

Then every time when this sequence is implemented door lock opens and you signal this.

To simplify the lock we assume between knocks there will be only two intervals short and long.

For instance your code should be able to “learn” this sequence: knock-short-knock-short-knock-long-knock-long-knock-long-knock i.e. three fast and three slow knocks and this to open the door.

For knock detecting you can use SPACE key press for instance.

The rules:

You can code the solution in any programming language during the weekend and have to submit it to info@olimex.com latest on Sunday December 7th.

On Monday we will upload the solutions on GitHub https://github.com/OLIMEX/WPC

You can play with your real name or with nick if you want to be anonymous, we will not disclosure your personal info if you do not want to.

Weekend Programming Challenge – Week #70 Math with Words Solutions

We got 6 solutions this weekend:

  • Python x4
  • Scheme x1
  • C++ x1

All solutions are on GitHub.

Sorry for the late update, but we are working these days on so many exciting and new projects that time is sliping away … :)

ESP8266-EVB is run in production, to be in stock before Christmas

ESP8266-EVB

ESP8266-EVB is complete and run in production, we hope to have it assembled and tested in stock before Christmas :)

What we got here?

  • MOD-WIFI-ESP8266-DEV module with soldered connectors
  • Base board with female connectors for accepting MOD-WIFI-ESP8266-DEV
  • Power Relay 10A/250VAC connected with driver to GPIO output
  • User Button connected to GPIO input
  • Power supply jack – 5V input
  • DCDC power converter to 3.3V to supply ESP8266 and UEXT modules with up to 1.5A current
  • UEXT connector where you can connect different modules and sensors from Olimex
  • GPIO  CON3 with 16 pins where all ESP8266 resources are available
  • 4 mounting holes

The price of ESP8266-EVB (which includes MOD-WIFI-ESP8266-DEV) will be EUR 12.00 for single quantity and will drop under EUR 10 for 50+ order.

ESP8266 update – The Ultimate Development boards for ESP8266 are in stock

MOD-WIFI-ESP8266-DEV-1 MOD-WIFI-ESP8266-DEV-2 (1)

ESP8266 already got a lot of attention, but the problem is that this chip has more to offer than just UART to WIFI module, there is C compiler, SDK which allow you to write user program and have access to all GPIOs and resources of the chip so instead to add dumb microcontroller to ESP8266 module you will be able to put all your application in the ESP8266 itself.

The problem is that most existing modules do not allow access to all ESP8266 resources… until now, you see the untilate development board for ESP8266 now, it have access to all ESP8266 resources, GPIOs, bootloader etc.

The module MOD-WIFI-8266-DEV have UEXT connector footprint on the back so it can connect to all OLIMEX boards which have UEXT connectors, two rows of 0.1″ connectors for breadboarding and split pads which could be soldered directly to PCB.

MOD-WIFI-ESP8266-1 MOD-WIFI-ESP8266-2

For these who want to use ESP8266 just as SERIAL-to-WIFI bridge MOD-WIFI-ESP8266 is the better choice with smaller size and soldered female UEXT connector it direcly will plug to any board with UEXT.

Both boards are in stockMOD-WIFI-ESP8266 cost EUR 5.00 for single quantity,MOD-WIFI-8266-DEV  cost EUR 5.50 in single quantity.

MOD-WIFI-ESP8266-EVB with Relay, button, Power supply, GPIOs access is in production and will be available in couple of weeks! It have on it MOD-WIFI-ESP8266-DEV on socket.

Weekend Prorgraming Challenge – Week #70 Math with words

math

Problem:

Make code which enters expression like “3525 + 133 =” and solve it. Easy right? Here is the catch is that numbers and operations are replaced by their words equivalents.

Please support numbers up to 1 000 000 and these operators + – * /

Example:

input: “three thousands five hundreds and twenty five plus one hundred and thirty three is equal to”
output: “3658”

The rules:

You can code the solution in any programming language during the weekend and have to submit it to info@olimex.com latest on Sunday November 30th.

On Monday we will upload the solutions on GitHub https://github.com/OLIMEX/WPC

You can play with your real name or with nick if you want to be anonymous, we will not disclosure your personal info if you do not want to.

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