How to power Girl Board from 9v
agent-j.ru 2014-05-26 07:03:57 3077 Views5 Replies It says here "Input Voltage limits: 6.5-12V"
[url=http://www.dfrobot.com/index.php?route=product/product&product_id=1049]http://www.dfrobot.com/index.php?route=product/product&product_id=1049[/url]
What are the contacts I have to connect voltage (not USB)?
[url=http://www.dfrobot.com/index.php?route=product/product&product_id=1049]http://www.dfrobot.com/index.php?route=product/product&product_id=1049[/url]
What are the contacts I have to connect voltage (not USB)?
2014-05-28 16:51:33 Hello,
Your schematic looks right. There is no Vin port on the board, it is 5V.
How do you want to connect power chip to the girl board? With a breadboard?
Grey.CC
Your schematic looks right. There is no Vin port on the board, it is 5V.
How do you want to connect power chip to the girl board? With a breadboard?
Grey.CC 2014-05-28 01:12:51 Because of your mistake give me an answer (advice)
I have GirlBoard, 7.2V battery and a pump.
Is my scheme right?
[img]
* "Motor out Terminal" is for pump [url=http://www.dfrobot.com/index.php?route=product/product&filter_name=pump&product_id=667]http://www.dfrobot.com/index.php?route=product/product&filter_name=pump&product_id=667[/url]
* Voltage Regulator is [b]L7805[/b] agent-j.ru
I have GirlBoard, 7.2V battery and a pump.
Is my scheme right?
[img]
* "Motor out Terminal" is for pump [url=http://www.dfrobot.com/index.php?route=product/product&filter_name=pump&product_id=667]http://www.dfrobot.com/index.php?route=product/product&filter_name=pump&product_id=667[/url]
* Voltage Regulator is [b]L7805[/b]
agent-j.ru 2014-05-27 10:47:54 Yeah, there is a little mistake.
After seeing your post, we have checked the schematic. The specification is not very suitable, especially the power supply. I am sorry for the carelessness.
What is your problem?
It is better to power the board from the USB port. But if you want to support it from "+5V" and "GND" port, you must make sure the power supply is no higher than 5v, or it will damage the MCU. As what you said, [quote]I have to use DC-DC buck converter[/quote], you could try this connection, but please care about the output voltage. Grey.CC
After seeing your post, we have checked the schematic. The specification is not very suitable, especially the power supply. I am sorry for the carelessness.
What is your problem?
It is better to power the board from the USB port. But if you want to support it from "+5V" and "GND" port, you must make sure the power supply is no higher than 5v, or it will damage the MCU. As what you said, [quote]I have to use DC-DC buck converter[/quote], you could try this connection, but please care about the output voltage.
Grey.CC 2014-05-26 21:49:26 [quote="Grey"]
Hello, agent-j.ru
The operating voltage is 5V, you could power it from the usb directly.
It is OK.
[/quote]
I see that GirlBoard description was changed today. The description was wrong?
Because of this I'm having some problems and I have to use DC-DC buck converter agent-j.ru
Hello, agent-j.ru
The operating voltage is 5V, you could power it from the usb directly.
It is OK.
[/quote]
I see that GirlBoard description was changed today. The description was wrong?
Because of this I'm having some problems and I have to use DC-DC buck converter
agent-j.ru 2014-05-26 10:53:02 Hello, agent-j.ru
The operating voltage is 5V, you could power it from the usb directly.
It is OK. Grey.CC
The operating voltage is 5V, you could power it from the usb directly.
It is OK.
Grey.CC 