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GPS distance measurement between two coordinates using Arduino

I knew the dimension of the LCD (Nokia 5110) as 43mm x 43mm but it looked smaller than I thought.  That’s good because I want to put it on top of the GPS (Holux M-1000). In my previous post, I

Posted in Arduino, Electronics, Gadgets, JeonLab mini, Modification

GPS (M-1000) with LCD (Nokia 5110)

Finally, I got the Nokia 5110 LCD that was ordered on eBay a few weeks ago. It took me a couple of days to find the best library for the LCD and quickly updated my Arduino program to display current

Posted in Arduino, Electronics, Gadgets, JeonLab mini

GPS (Holux M-1000) signal read using Arduino 1: coordinate/bearing/speed and UTC

Holux M-1000 is a GPS receiver with a Bluetooth.  I had used it for navigation with Palm TX and Treo700p (yes, I have long been a big fan of Palm PDA series) and Geocaching until I bought Android smartphone which

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Posted in Arduino, Electronics, Gadgets, JeonLab mini

Digital Car Compass and Thermometer

My car doesn’t have a compass which I wish to have one. So I started making one using my JeonLab mini v1.3 (minimalist Arduino compatible board), popular 16×2 LCD panel with a back light LED, and a 3 axis magnetometer. 

Posted in Arduino, Electronics, JeonLab mini

Wii Nunchuck hack: making an electronic level with Arduino compatible JeonLab mini v1.3

I have posted a project on using the accelerometer chip in the broken Wii Nunchuck. It was broken: the joystick did’t work. However, the accelerometer chip in the Nunchuck was intact and it also has the I2C interface which can

Posted in Arduino, JeonLab mini, Modification

MAKEFILE settings for the ATtiny45/85 programmer with JeonLab mini or Arduino

In order to program an ATtiny45 or ATtiny85 with the JeonLab mini (or Arduino) wirh the WinAVR (AVRdude), you need to change the MAKEFILE as follows. 1. MCU name MCU = attiny85 # or attiny45 2. change winavr folder location

Posted in Arduino, JeonLab mini

JeonLab mini ATtiny programmer using Arduino ISP

For relatively small (less number of pins than ATmega328) project, ATtiny series, ATtiny45 or Attiny85 are good choice in terms of its physical size (8-DIP or 8-SOIC)  and low power consumption. There are many ways to program it. One of

Posted in Arduino, JeonLab mini
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