Search found 19 matches

by Irene
Thu Aug 07, 2014 9:28 am
Forum: Open Hardware
Topic: GPRS Shield does not work
Replies: 26
Views: 44716

Re: GPRS Shield does not work

Dear friend, We are sincerely sorry for the inconvenience caused you. But I have to tell you that all our products are 100% tested before shipping out. We are always on your side and trying our best to help you to solve it because we are serious sellers.Your satisfaction is our pursuit. Let's get to...
by Irene
Tue Aug 05, 2014 3:15 pm
Forum: Control Board
Topic: Printboard several problems
Replies: 11
Views: 22069

Re: Printboard several problems

Dear friend, 1.Please make sure the firmware is not revised.I have sent it to your email box,you can check it again. 2.Did you always press the button "HOME"?You can try to disconnect and reconnect it again. 3.Please check the endstop is well connnected with the board. 4.Please check the chip is nor...
by Irene
Mon Aug 04, 2014 2:50 pm
Forum: Firmware
Topic: Geeetech Rostock Mini 3D Printer
Replies: 6
Views: 14750

Re: Geeetech Rostock Mini 3D Printer

Dear friend, Please be a little patient and try the following steps: 1.Please confirm that you are using a computer of windows system. 2.Click the following link to upload 0023ide:http://www.arduino.cc/en/Main/OldSoftwareReleases (Please note:If you can't find sanguinololu1284 in the ide,click the f...
by Irene
Wed Jul 30, 2014 1:38 pm
Forum: Open Hardware
Topic: GPRS/GSM SIM900 Shield development board not working at all
Replies: 5
Views: 12366

Re: GPRS/GSM SIM900 Shield development board not working at

Dear friend,
Our customer service will contact you.
Wish you a nice day!
Best regards
by Irene
Mon Jul 28, 2014 2:37 pm
Forum: Control Board
Topic: Printboard several problems
Replies: 11
Views: 22069

Re: Printboard several problems

Dear friend,
Our customer service will contact you.
Wish you a nice day!
Best regards
by Irene
Mon Jul 28, 2014 2:05 pm
Forum: Open Hardware
Topic: GPRS/GSM SIM900 Shield development board not working at all
Replies: 5
Views: 12366

Re: GPRS/GSM SIM900 Shield development board not working at

Dear friend, Now we have confirmed that there is no problem with the PWRKEY. Then please be a little patient and test if there is some problem with the sim chip and the LED module. 1.Test the voltage between the pin52 and GND,pin66 and GND. 2.Test if there is 5V voltage output from the led. Test the...
by Irene
Fri Jul 25, 2014 6:12 pm
Forum: Open Hardware
Topic: GPRS/GSM SIM900 Shield development board not working at all
Replies: 5
Views: 12366

Re: GPRS/GSM SIM900 Shield development board not working at

Dear friend, We are sincerely sorry for the inconvenience caused you. But I have to tell you that all our products are 100% tested before shipping out. We are always on your side and trying our best to help you to solve it because we are serious sellers.Your satisfaction is our pursuit. As you know ...
by Irene
Wed Jul 16, 2014 5:32 pm
Forum: Control Board
Topic: Printboard several problems
Replies: 11
Views: 22069

Re: Printboard several problems

Dear friend, Please help us to test the defective boards again: 1.X motor can't move invert. only move one direction. Use your Multimeter to test the voltage between the pin 14 (DIR) and other pins,especially pay attention to the pin VDD.And remember not to connect the power supply. 2. After online ...
by Irene
Fri Jul 11, 2014 6:33 pm
Forum: Control Board
Topic: Printboard several problems
Replies: 11
Views: 22069

Re: Printboard several problems

Dear friend, Please try the following steps: 1.About the board can't control temperature, Please check the picture I have added,use a knife to cut the circuit of the JP6. 2.About the board shows max hotbed temperature. Try to not connect the thermistor. 3. X motor can't move invert. only move one di...
by Irene
Fri Jul 11, 2014 10:01 am
Forum: Stepper Motor
Topic: faulty DRV8825
Replies: 3
Views: 8992

Re: faulty DRV8825

Dear friend,
Thank you for your reply.
Our customer service will contact you.
Wish you a nice day.
Best regards