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+971 55 881 1725 hmimthiaz @ imthi.com

MicroView – Arduino with a built-in OLED display

I am really excited about backing a new project “MicroView” – an Arduino Microcontroller with built-in OLED display.

GENERAL SPECS

  • Support for the Arduino IDE 1.0+ (OSX/Win/Linux)
  • 100% Arduino Compatible
  • Built-in 64×48 OLED display
  • Direct 3.3VDC – 16VDC power, input, no power regulator needed
  • Standard DIP Package
  • Breadboard friendly or direct solder

HARDWARE SPECS

  • Display: 64×48 OLED Display
  • Microcontroller: ATmega328P
  • Operating Voltage: 5V
  • Input Voltage: 3.3VDC – 16VDC
  • Digital I/O Pins: 12 (of which 3 provide PWM output)
  • Analog Input Pins: 6
  • Flash Memory: 32 KB
  • SRAM: 2 KB
  • EEPROM: 1 Kilobyte
  • Clock Speed: 16 Mhz
  • No other components required

This will be a great addition for projects where we have to use small display for displaying  critical information and status of the sensors if needed. It would be great if they can make an enclosure and Bluetooth BLE built in. It would be a great add-on for fast prototyping and connecting the device to your mobile devices.

Back the project and get your own Mircoview on Kickstarter.

4WD Robotic Car controlled over Bluetooth with iPhone App

After massive brain damage I finally managed to build a prototype 4WD Robotic car controlled over Bluetooth using iPhone app. This was done using serial communication between Arduino mega and Hercules motor driver. Sorry for not posting detailed pinout diagram. If anyone interested in detailed connections please drop me an email or comment. The real trick was to make the serial connections work and test without connecting the USB cable on Hercules. Hercules board should have had two serial communication pins for easy testing as it was pain to keep removing the connected Arduino serial connections for testing. Anyways its done now 😉

Parts used in this demo

You can download the source code used in this project “CarRemote” in Github. Please forgive my bad C code as it been real long time.

Arduino with Bluetooth 4.0 Shield – iPhone Controlled Relay

After searching for a while I finally found an Arduino Bluetooth 4.0 shield from RedBear. My main aim was to able to control an Arduino from iPhone using Bluetooth 4.0.

Today I used SainSmart 8 Channel DC 5V Relay to play around. This relay is very easy to use with Arduino / Raspberry Pi.

To play around with the BLE shield I used the iPhone app and the Arduino code mentioned on their website. You should be able to follow the instruction and design your needed circuits to control. In my case the final setup looked something like this

Arduino with Bluetooth 4.0 Shield - iPhone Controlled Relay

Small video demo to see the above setup in action 😉

Stay tuned for more updates as soon as get time to work on these exciting projects 😉

Qik 2s9v1 + Proximity Sensor + Gear motor with Arduino

For the past two days I have literally lost my patience with Qik 2s9v1 dual serial motor controller. I have referred so many website and I could not make this controller work. After hours of searching I found this library which was compatible with Arduino 1.0. Now I got a library which can used to communicate with the controller but the commands I send was not getting received. I posted in Pololu forum and I didn’t get a reply. Today I joined Sparkfun IRC chatroom and requested for help. @agmlego helped me in resolving the issue. I was using wrong baud rate for serial communication. Once that got the issue resolved I jumped into controlling the motor using a Proximity Sensor.

The mission was to change the motor rotation to reverse if any object is close by.

I am really happy with the progress, I hope these reference bellow helps 😉

Reference: Qik Dual Serial Motor Controller, Infrared Proximity Sensor, Micro Metal Gear motor, CompactQik2s9v1, Long Range Infrared

PS: If anyone needs help with the connection please feel free to contact me.

EasyDriver + Stepper Motor with Arduino

Today was a busy shopping day in Deira, Dubai. Finally found a location where I can buy electronic stuffs like resistors, capacitors, LED etc. The things I bought today was

  • Regulated Power Supply
  • Soldering Station

Once I was home, I started to solder the EasyDriver Stepper Motor Driver.

Basically I soldered few male header so I can fix the EasyDriver board easily to a bread board. Then connected the Stepper Motor to the driver board and needed connection to Arduino board.

Reference: Use The EasyDriver Stepper Motor Driver + Arduino, Blink

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