Search found 20 matches

by xianning.lan
Wed Jan 30, 2019 2:20 pm
Forum: Grove
Topic: Grove - RGB LED Matrix w/Driver examples
Replies: 3
Views: 489

Re: Grove - RGB LED Matrix w/Driver examples

Hi Greg,

Some emojis inside the firmware of RGB LED Matrix.

Best Regards,
Blu
by xianning.lan
Thu Jan 10, 2019 2:13 pm
Forum: Grove
Topic: Daisy chain LED bars
Replies: 1
Views: 706

Re: Daisy chain LED bars

Hi there, You can chain Grove - LED Bars by connecting DO, DCKO, VCC, GND to another LED bar's DI, DCKI, VCC, GND. But seems library in Seeed Wiki only can used with one LED bar, I wrote a new library to you. Please download the following files: https://raw.githubusercontent.com/SeeedDocument/Projec...
by xianning.lan
Wed Jan 09, 2019 2:55 pm
Forum: Grove
Topic: Piezo Vibration Sensor without hat
Replies: 3
Views: 828

Re: Piezo Vibration Sensor without hat

Hi David, The "None" is the print output of GPIO.output() function, because the function have no return value. Sensors are used only as input usually, if you want to "see" the vibration, you can connect a display Grove -- like Grove - Red LED to your Raspberry Pi. Suppose the Grove - Red LED connect...
by xianning.lan
Wed Jan 02, 2019 3:36 pm
Forum: Arduino & Seeeduino
Topic: BME680 sensor sketch not compiling
Replies: 1
Views: 787

Re: BME680 sensor sketch not compiling

Hi there,

I tried in XUbuntu18.04. When I used Arduino IDE downloaded via apt, I have the same problem as you, but when I used Arduino IDE downloaded from arduino.cc, the problem disappears.

Image

Best Regards,
Blu
by xianning.lan
Wed Jan 02, 2019 10:40 am
Forum: Wio Series
Topic: WIO LTE cat.1 AU version tracker
Replies: 5
Views: 1287

Re: WIO LTE cat.1 AU version tracker

Hi Yiqian, Whichever version of Wio you use should not affect GPS. If you want to use GPS indoors, I recommended that you can put it next to a window, it might work better. My operators can only support EU version, so I am sorry I can not test AU version for you. But it can receive SMS once, it shou...
by xianning.lan
Sat Dec 29, 2018 3:57 pm
Forum: Wio Series
Topic: Wio LTE Cat M1/NB-iot example for RTC wakeup from deepsleep
Replies: 1
Views: 835

Re: Wio LTE Cat M1/NB-iot example for RTC wakeup from deepsleep

Hi there,

We don't have RTC wakeup example for Wio LTE Cat M1/NB-IoT Tracker now. Thank you for your attention and suggestion.

Best Regards,
Blu
by xianning.lan
Sat Dec 29, 2018 3:10 pm
Forum: General Info - Guidance
Topic: How to Connect TF Mini LiDAR to USB-to-UART 3.3v/5v Converter?
Replies: 1
Views: 2410

Re: How to Connect TF Mini LiDAR to USB-to-UART 3.3v/5v Converter?

Hi there, I can't see your picture now, could you check the link of picture? Generally, you can connect TF Mini LiDAR's yellow cable to converter's RX Pin, LiDAR's white cable to converter's TX pin. If you don't know converter's pinout, please see the picture below. https://github.com/SeeedDocument/...
by xianning.lan
Sat Dec 29, 2018 1:58 pm
Forum: General Info - Guidance
Topic: connector part number
Replies: 1
Views: 2394

Re: connector part number

Hi there, I found these connectors in Seeed Official Website, you can visit these links to get their information. Grove - Universal 4 pin connector https://www.seeedstudio.com/Grove-Universal-4-pin-connector-p-789.html Grove - Universal 4 pin connector 90°(10 PCs) https://www.seeedstudio.com/Grove-U...
by xianning.lan
Sat Dec 29, 2018 1:34 pm
Forum: Wio Series
Topic: WIO LTE cat.1 AU version tracker
Replies: 5
Views: 1287

Re: WIO LTE cat.1 AU version tracker

Hi there, I used Wio LTE Cat.1 EU version. WioLTEforArduino.h seem to be used with Groves, wio_tracker.h can be downloaded in https://github.com/Seeed-Studio/Wio_LTE_Arduino_Library . I have been in situations where GPS signals are not searchable, but when I installed GPS antenna and placed them in ...
by xianning.lan
Sat Dec 29, 2018 11:49 am
Forum: Arduino & Seeeduino
Topic: MCP2515 sleep/standby mode
Replies: 1
Views: 1191

Re: MCP2515 sleep/standby mode

Hi there,
We don't have the example in sleep/standby mode yet. Thank you for your attention and suggestion.
Best Regards,
Blu