5V 4 Channel Relay Board High Level Trigger Extention Board For
Micro Bit
Description
The relay expansion board integrates 4 5V relay modules in one. It
is fully compatible with the micro bit development board. When
working, you only need to plug the micro bit development board into
the Keyes micro bit relay expansion board, and input DC 5V at the
relay VIN GND port. The voltage can be simple and convenient. The
four relays on the expansion board are active high. The four relay
control terminals are connected to P4, P3, P7, and P6 of the micro
bit development board. We only need to control the high and low
levels of the outputs of P4, P3, P7, and P6. You can control the
switching of the 4-way relay.
- Input voltage: DC 5V
- Working mode: active high
- Contact capacity: AC120V / 3A DC24V / 3A
Product Features
| Product | Weight | 35g |
| Name | Expansion board for Micro bit |
| Place of Origin | Guangdong, China |
| Output Voltage | DC 5v |
Product Picture
About our company
2005, Established in Shenzhen, Guangdong, China, engaged in
providing all kinds of diode, audino, integrated circuits, and
electronic components.
2006-2008, Invested in Single Chip Microcomputer plant, specialized
in manufacturing all kinds of sensor modules and power supply
modules.
2009-2010, Started to manufacture Arduno-related modules, sensor
modules, single development boards, etc.
2011-2012, Mainly provided various kinds of Arduno-related boards
and shields, such as UNO R3, Mega, DUE, W5100 etc. At the same
time, invested in the factory of 3D printer spare parts.
2013-2014, Took Arduno supplies as leading business,Cooperating
with DIY factory, providing Ardu-related Robot products such as
servo, control board cables and so on.
2015, Striving to develop overseas business, lower, accepting small
batch orders. Investing in 3D printer factory and expanding product
offerings.
FAQ
1. What is the terms of payment?
L/C,D/A,D/P,T/T,Western Union,MoneyGram
2. What is the delivery time?
Normally, 1-5 workdays after payment;
Special requirement orders, delivery time is negotiable.
3. If the products can't work after receiving it,what should I do?
We will replace new items for you at once, and respect your final
decision for wrong goods.
4. If the products don't meet my demand after I received it,can I
return it?
Yes,no problem.You can return back to us, we will refund your full
payment.
5. what is the warranty?
1-2 years warranty according to different products.
1-3 months to replace new items for free.
All products are tested strictly for 2-3 times before leaving
factory. we have earned very good reputation in quality,Certified
by the ISO9001.
