Go to advanced search

by idem
Wed May 29, 2013 8:58 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Controlling stepper motors via I2C?
Replies: 10
Views: 9055

Re: Controlling stepper motors via I2C?

UP

so..noone have ever user a stepper with an MCP23017 ?
by idem
Tue May 14, 2013 12:30 am
Forum: Automation, sensing and robotics
Topic: HELP... L298 module problems.
Replies: 13
Views: 2500

Re: HELP... L298 module problems.

Hi all,

do you have more info?
I want to use the same board, is the code correct and work?
by idem
Tue May 14, 2013 12:27 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Driving 2 DC motors using L293D
Replies: 35
Views: 35510

Re: Driving 2 DC motors using L293D

Hi all, hi cupcake,

I got the same board with L298N.
Have you solved your problem?
Have you some python code?

Thanks for all

http://www.lo-geek.fr
by idem
Mon May 13, 2013 8:54 pm
Forum: Automation, sensing and robotics
Topic: L298N
Replies: 10
Views: 7033

Re: L298N

someone got any python example ?
I got same Driver Board for L298N with on input :
VCC, GND and +5V

Thanks a lot

http://www.lo-geek.fr
by idem
Thu May 09, 2013 10:49 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Controlling stepper motors via I2C?
Replies: 10
Views: 9055

Re: Controlling stepper motors via I2C?

UP
Any examples for a begginer?
My Raspi is out of Pin, but my MCP23017 have still some free Pin.
I wanna control my stepper motor with my ULN2803A.

Thanks for all
by idem
Mon Apr 15, 2013 10:56 pm
Forum: Beginners
Topic: Raspberry Pi - Connecting MCP23017/MCP3008/ULN2803
Replies: 8
Views: 2872

Re: Raspberry Pi - Connecting MCP23017/MCP3008/ULN2803

Hi Dirk,

I used them separatly, and I know that there are howto for them on the learning.adafruit.com
I just want some feedback from people who use them together....

Regards,
idem2lyon
by idem
Mon Apr 15, 2013 3:11 pm
Forum: Beginners
Topic: Raspberry Pi - Connecting MCP23017/MCP3008/ULN2803
Replies: 8
Views: 2872

Re: Raspberry Pi - Connecting MCP23017/MCP3008/ULN2803

Reading spec, I think so...but someone had ever do it?
by idem
Mon Apr 15, 2013 2:34 pm
Forum: Beginners
Topic: Raspberry Pi - Connecting MCP23017/MCP3008/ULN2803
Replies: 8
Views: 2872

Raspberry Pi - Connecting MCP23017/MCP3008/ULN2803

Hi all, just asking if it possible to use with my raspberry Pi a MCP23017, [b]AND [/b]MCP3008 [b]AND[/b] a ULN2803 (or L293D ). The MCP23017 to extend RasPi GPIO The MCP3008 for the DAC and ... The ULN2803 (or L293D ) for my stepper motor. I had to use a DS18B20, a PIR sensor, a Magnetic Door Sensor...
by idem
Thu Mar 28, 2013 10:30 pm
Forum: Automation, sensing and robotics
Topic: DS18B20 Setup Error
Replies: 17
Views: 9696

Re: DS18B20 Setup Error

ant_thomas wrote:How is it wired up?

I have the premade boards with the resistor already fitted. Mine are wired up ....

+ to 5V
- to GND
S to GPIO4 (Pin 7)
+ to 3.3V
- to GND
S to GPIO 4

Great, plugged in 5V it works :)
by idem
Thu Mar 28, 2013 4:01 pm
Forum: Automation, sensing and robotics
Topic: DS18B20 Setup Error
Replies: 17
Views: 9696

Re: DS18B20 Setup Error

got the same error : # uname -a Linux babyroom 3.6.11+ #371 PREEMPT Thu Feb 7 16:31:35 GMT 2013 armv6l GNU/Linux # cat /etc/debian_version debconf.conf debian_version # cat /etc/debian_version 7.0 # modprobe w1-gpio && modprobe w1-therm in dmesg got : 13.336807] Driver for 1-wire Dallas network prot...
by idem
Thu Feb 28, 2013 1:55 pm
Forum: Français
Topic: GPIO 18
Replies: 1
Views: 617

GPIO 18

Bonjour a tous, Petite question concernant le GPIO 18. J'utilise un MCP3008 (digital => analog) qui utilise GPIO 18 (clock). Et comme il y en a qu'une seule, si j'ai un autre composant qui a besoin de la clock, je ne pourrais pas l'utiliser (cas du L293D)? Pareil, si je veux utiliser le PWM, je ne p...
by idem
Mon Feb 18, 2013 3:24 pm
Forum: Français
Topic: CAS en France et le manuel Raspberry Pi écrite par le CAS
Replies: 62
Views: 66033

Re: CAS en France et le manuel Raspberry Pi écrite par le CA

si besoin d’hébergement de place ou autre, je peux aider.
Me contacter en PM

Go to advanced search