Search found 18 matches

by webmaster2
Thu Apr 19, 2018 10:50 pm
Forum: Arduino & Seeeduino
Topic: Burn booloader on Seeeduino Lotus
Replies: 1
Views: 956

Re: Burn booloader on Seeeduino Lotus

Ok... based on the fact that the CPU is the same of UNO, I tried to burn the UNO bootloader with the Arduino ISP... now the Seeeduino board seems to works right.
by webmaster2
Thu Apr 19, 2018 10:23 pm
Forum: Arduino & Seeeduino
Topic: Burn booloader on Seeeduino Lotus
Replies: 1
Views: 956

Burn booloader on Seeeduino Lotus

I've two Seeeduino Lotus v1.0, now one of this have a problem loading sketch onto; it works, but I'm unable to upload any new sketches, I get the avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x00 error . The other board it's working like a charm. So...I guess I've two options... one...
by webmaster2
Wed Apr 04, 2018 6:16 pm
Forum: Grove
Topic: Help with a grove base shield for WeMos.
Replies: 1
Views: 905

Help with a grove base shield for WeMos.

I would want to put some grove devices on top of a WeMos boards. Now I do with a pin to grove cables, but I would want to do a more stable and elegant project, in this way... anyone can help me with some advices? I think will be better making a new PCB but I'm totally new to CAD software and PCB mak...
by webmaster2
Thu May 19, 2016 6:20 pm
Forum: Grove
Topic: Electricy sensor bad reading
Replies: 1
Views: 1586

Electricy sensor bad reading

I've attached the sensor to my Arduino Uno and uploaded the example sketch posted in the Wiki. I obtain very strange and enormous value, the reading is in some ways related and to the real utilization (a 18W lamp)... when I turn OFF and ON the lamp the value change, but the value are really very big...
by webmaster2
Fri May 13, 2016 3:54 pm
Forum: Wio Series
Topic: Longer Groove Cable needed
Replies: 7
Views: 5269

Re: Longer Groove Cable needed

I've solved the problem! Now I can use upto 2.5mt of I2C and 1-Wire also... the problem (in my case) was that, using a grove shield (obviously), two digital I/O are coupled on the same cable and connector, so I've used the caution to use only one I/O per cable in the software. Now can use both flat ...
by webmaster2
Sun May 08, 2016 11:38 pm
Forum: Wio Series
Topic: Longer Groove Cable needed
Replies: 7
Views: 5269

Re: Longer Groove Cable needed

I needed 2 meters cable so... my first idea is to make it easy... cut the originale grove cable and weld in the middle another cable (as Wio say) but the simpliest idea seems to be not so good. The device will not work, I've tryed with different kind of cable, from the flat to the silicon shielded c...
by webmaster2
Fri Mar 25, 2016 11:47 pm
Forum: Grove
Topic: Grove OLED Display 1.12, error compiling the example sketch
Replies: 3
Views: 5018

Re: Grove OLED Display 1.12, error compiling the example sk

Thanks for the suggestion! :D
I changed these files: SeeedOLED.h and SeeedOLED.cpp and the line number are 94 and 349. :geek:
by webmaster2
Fri Mar 25, 2016 4:45 pm
Forum: Arduino & Seeeduino
Topic: DrawBitmap on OLED Display
Replies: 1
Views: 2034

DrawBitmap on OLED Display

Using the example schetch OLED_Draw_Bitmap with Arduino IDE 1.6.7 I got the following error: variable 'SeeedLogo' must be const in order to be put into read-only section by means of '__attribute__((progmem))' if I put SeeeLogo as const I got a new error: invalid conversion from 'const unsigned char*...