SparkFun Forums 

Where electronics enthusiasts find answers.

Search found 15 matches

 Go to advanced search

ATTINY85 OLED library

 by tahikib ¦  Sat Mar 14, 2015 3:30 pm ¦  Forum: AVR Microcontrollers ¦  Topic: ATTINY85 OLED library ¦  Replies: 1 ¦  Views: 3421

Can someone please help me. I am looking for a smaller graphics library that will fit on am attiny85 that has a arduino bootloader on it. I have my SPI OLED display working on an atmega328pu. However when I try to compile for attiny85 I get an error that it will not fit out of region error I am usin...

Re: character LCD on usb

 by tahikib ¦  Fri Feb 20, 2015 8:44 am ¦  Forum: Projects ¦  Topic: character LCD on usb ¦  Replies: 9 ¦  Views: 923

a cr2032 will deliver 3v 220mA/H = 0,66Watt the display will do 25mA approx add step-up and cpu to it. lets say 45mA total 220/45 =4H however 100% empty won't work take 65% give you best case 2,5H approx. conclusion cr2032 is not sufficient. I am okay with 2hrs. So I should just add a USB receptacl...

Re: Tiny Lift - Similar to a car jack - SOLVED

 by tahikib ¦  Wed Feb 18, 2015 2:47 pm ¦  Forum: Projects ¦  Topic: Tiny Lift - Similar to a car jack - SOLVED ¦  Replies: 17 ¦  Views: 2203

Working video here at http://youtu.be/yJnGJPQnR-I

Re: character LCD on usb

 by tahikib ¦  Wed Feb 18, 2015 1:12 pm ¦  Forum: Projects ¦  Topic: character LCD on usb ¦  Replies: 9 ¦  Views: 923

So I bought a Small OLED 128x64 SSD1306 i2C and a SPI version. I also got attiny85 ICs The screen will run on 3.3v and the attiny at 2.7v. Could I use this SparkFun 5V Step-Up Breakout - NCP1402 or SparkFun 3.3V Step-Up Breakout - NCP1402 to run these off of CR2032 3.0V Coin Battery ? I only need to...

Re: Stepper in one direction (sort of)

 by tahikib ¦  Mon Feb 16, 2015 6:44 pm ¦  Forum: Projects ¦  Topic: Stepper in one direction (sort of) ¦  Replies: 3 ¦  Views: 570

I had the same issue briefly once I moved from breadboard to PCB. I found that my GND and DIR pins were switched. I flipped my cable to the correct positions and all is working great. I also have a problem with my one Leo board. When I use pins 2 and 3 there is a short. I cannot use pin 2 and 3 at t...

Re: character LCD on usb

 by tahikib ¦  Mon Feb 16, 2015 7:57 am ¦  Forum: Projects ¦  Topic: character LCD on usb ¦  Replies: 9 ¦  Views: 923

It will sorta of be like a business card. Only show static information.

I ordered a 128x64 OLED similiar to this one Image

I want to make it compact as possible maybe a little larger than a USB flash drive.

Re: Tiny Lift - Similar to a car jack - SOLVED

 by tahikib ¦  Mon Feb 16, 2015 6:32 am ¦  Forum: Projects ¦  Topic: Tiny Lift - Similar to a car jack - SOLVED ¦  Replies: 17 ¦  Views: 2203

Here is the lift that I have created

character LCD on usb

 by tahikib ¦  Sat Feb 14, 2015 8:04 pm ¦  Forum: Projects ¦  Topic: character LCD on usb ¦  Replies: 9 ¦  Views: 923

I want to create a pcb the can plug directly into a usb port and when it starts up with have scrolling text with a message. Could anyone help me with ICs and pieces needed

Re: Help needed. With Flange Nut

 by tahikib ¦  Fri Jan 30, 2015 5:58 pm ¦  Forum: Projects ¦  Topic: Help needed. With Flange Nut - SOLVED ¦  Replies: 10 ¦  Views: 898

codlink wrote:From the pic on the product page, it looks like an M8 with a 0.3 pitch. You may want to contact Pololu and see if you can purchase more. Didn't you get one with the purchase?
I did get one but it doesn't line up the mount I got.

Help needed. With Flange Nut - SOLVED

 by tahikib ¦  Fri Jan 30, 2015 2:51 pm ¦  Forum: Projects ¦  Topic: Help needed. With Flange Nut - SOLVED ¦  Replies: 10 ¦  Views: 898

I have recently bough Stepper Motor with Threaded Rod . I need help finding the correct flag that will fit Hub Mount - Quad (Mount C) . I think it is a 5/16 or 8mm thread rod but I cannot figure it out. Could someone please help. I was thinking of this one 5/16 Flange Nut but I just don't know. I ca...

Re: Tiny Lift - Similar to a car jack

 by tahikib ¦  Sat Jan 24, 2015 12:47 pm ¦  Forum: Projects ¦  Topic: Tiny Lift - Similar to a car jack - SOLVED ¦  Replies: 17 ¦  Views: 2203

Would someone be able to build a sketchup model for me? I have a rough idea of I want. I can't the sparkfun skp working correctly. Parts: 1x 12" C Rail 6x 7.7" Aluminum Beam Channel Slide E Side Mount C Quad Mount C Nema 17 Stepper and what ever other parts needed. I want to order everything possibl...

Re: Tiny Lift - Similar to a car jack

 by tahikib ¦  Thu Jan 22, 2015 12:14 pm ¦  Forum: Projects ¦  Topic: Tiny Lift - Similar to a car jack - SOLVED ¦  Replies: 17 ¦  Views: 2203

My last suggestion would be to use a balloon lifting a modified scissor setup like below. Hope you post a picture of your final build. :D You can purchase a 12v powered scissor car jack for $60, but to lift two quarters? Good Luck Christopher And some additional hardware. I'll need spacers and some...

Re: Tiny Lift - Similar to a car jack

 by tahikib ¦  Thu Jan 22, 2015 9:37 am ¦  Forum: Projects ¦  Topic: Tiny Lift - Similar to a car jack - SOLVED ¦  Replies: 17 ¦  Views: 2203

Hi All, This YouTube Video has some interesting stuff, like the rubber bands to help lift. Remember Erector Sets, might come out ahead purchasing one? Christopher This is what I am looking for but with only one level. I will make a drawing when I have time tonight. I am looking for a stepper or gea...

Re: Tiny Lift - Similar to a car jack

 by tahikib ¦  Tue Jan 20, 2015 6:39 pm ¦  Forum: Projects ¦  Topic: Tiny Lift - Similar to a car jack - SOLVED ¦  Replies: 17 ¦  Views: 2203

A scissor type lift is what I had been planning to use. I am using an arduino for this project as it will be doing multiple steps just not the lifting.

Tiny Lift - Similar to a car jack - SOLVED

 by tahikib ¦  Mon Jan 19, 2015 8:06 pm ¦  Forum: Projects ¦  Topic: Tiny Lift - Similar to a car jack - SOLVED ¦  Replies: 17 ¦  Views: 2203

I need help designing a tiny lift similar to a car jack. Doesn't need to be exact this is just this idea I had. I need some kind of platform to lift approx. 8" to 10" with the weight of an ounce or so. The load will be minimal such as two quarters or so. this lift need to fit in a box 12"x16"x10". S...