Alvin: Created page with "== Introduction == LinkNode Module : 4Dig-7Seg uses a chipset of TM1637 to drive a 12-pin 4-digit command anode 7-segment LED. The MCU only needs two GPIO lines to control it..."

2016-12-13T02:29:26Z

Created page with "== Introduction == LinkNode Module : 4Dig-7Seg uses a chipset of TM1637 to drive a 12-pin 4-digit command anode 7-segment LED. The MCU only needs two GPIO lines to control it..."

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== Introduction ==

LinkNode Module : 4Dig-7Seg uses a chipset of TM1637 to drive a 12-pin 4-digit command anode 7-segment LED. The MCU only needs two GPIO lines to control it.

[[File:4D7S D1.jpg|640px]]

[[File:4D7S D1 2.jpg|640px]]

[[File:4D7S D1 3.jpg|640px]]

[[File:4D7S D1 4.jpg|640px]]

== Wiring ==

The module is connected to the base shield J1:

Module CLK --> LinkNode D1 G0

Module DIO --> LinkNode D1 G1

== Install Library ==

'''* download library :'''

[https://s3.amazonaws.com/linksprite/LinkNode+D1+ESP8266+Sensor+Kit/TM1637.rar TM1637.rar]

Place the TM1637 library folder your ”arduinosketchfolder/libraries/ folder”.

[[File:4D7S D1 5.png|640px]]

== Load Demo ==

Open “File->Examples->TM1637->TM1637Test” and upload to your LinkNode D1, You can see the number of loops displayed.

[[File:4D7S D1 6.png|640px]]

[[File:4D7S D1 7.png|640px]]

== Datasheet ==

[https://s3.amazonaws.com/linksprite/LinkNode+D1+ESP8266+Sensor+Kit/TM1637_V2.4_EN.pdf TM1637_V2.4_EN.pdf]

LinkNode 4-Digit 7-Segment Module - Revision history

Alvin: Created page with "== Introduction == LinkNode Module : 4Dig-7Seg uses a chipset of TM1637 to drive a 12-pin 4-digit command anode 7-segment LED. The MCU only needs two GPIO lines to control it..."