Let's Make Robots!


I found this 40-pin chip in a CPU battery. It is labeled PIC16C74B-04/P. I have the datasheet, but that's not my best language. i just want to know if its possible to use this as the ones used in LMR - if is possible to make a robot with this chip and what would i need to program it. I read something about ICSP(in-circuit serial programming), which I believe is the process used with this chip, but that's as far as I go. Thanks.

lcd-routines in avr-assembler

hi everybody

i know that not many of you are programming theit avr mcus in assembler, but i 've got something for those who do:

when i started using lcd displays, i just copy-pated or includet the file "lcr-routines.asm" and used those routines that i found on mikrokontroller.net

I found those routines very helpfoul to start working on lcd-displays.

the other attachment called "lcd_routines_advanced.asm" is something i wrote, based on the existing lcd-routines, but using the srram of the avr as a buffer.



My IR bObOT 

I am a young Algerian of 20 years…. So excuse my language

I build a robot how avoid obstacles with his IR RemoteControl , it was very difficult because I am there where there are anything to create a robot!!, so I use a lot of recovery material 

I am a member of ROBOT PASSION where I exposed my entire project in French 

smoothing servo movements

Finally I finished zezinho's hardware and now heading to the software. 

When I have it programmed to jump into random poses I would like him to move smoothly instead of quickly jump into another pose.

Someone have any tip to achieve this using Arduino code?

Robotics in movies....or at least in an upcoming movie

So this is related to the technology behind a new movie thats coming out. This was originally found on robots.net, a site I highly recommend checking out if you have never heard of it.

I was actually pretty impressed with what they had to show and how far along in the way of robotics we've already come.

In a way this movie reminds me of Ghost in the shell. 

Help with connecting Arduino clone to L298 based motor driver

I am quite new to the world of robotics, but have years of experience with basic passive components (caps, resistors, etc) so I thought this would be a fun way to start learning more.

 To start myself off, I picked up a handful of arduino clones, mostly seeeduinos.   I built some motor shields and got those programmed, and working successfully with some cheap hobby motors, I've also successfully managed to get some servo's running without a problem as well.

Servos powered by arduino board

Alright, I'm using an arduino pro mini, rated at 5v with a 328. I plan to have two GWS pico servos attached to the board. My power supply for the pro mini is 4 AAA batteries rated at about 1000mah. According to pico servo user the servos have a peak current draw of about 500-550 mah. My question is can my servos be powered directly from my board or must they have a separate power supply. I've asked a few so far and different opinions came up and they told me to start a forum. I could use a different servo with a smaller current draw. I just wanted to get your opinions.

LMR "mark all as read"?

Is there a way to mark all items as read so that the "Unread posts" page can start fresh?  (Other than actually reading all posts?)