VMA425 4-DIGIT DISPLAY WITH DRIVER MODULE (TM1637 DRIVER) USER MANUAL
VMA425 USER MANUAL 1. Introduction To all residents of the European Union Important environmental information about this product This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the environment. Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized company for recycling. This device should be returned to your distributor or to a local recycling service. Respect the local environmental rules.
VMA425 5. Overview VMA425 With this 4-digit, seven-segment display module, you can easily add a 4-number LED readout to your projects. Useful for making a clock, timer, temperature readout, etc. operating voltage: 3.3-5 V LED colour: red driver chipset: TM1637 6. Example Connection. Vcc======5V Gnd======Gnd CLK======pin 2 DIO======pin 3 *** CODE BEGIN CLOCKDISPLAY *** // Author:Frankie.
VMA425 #define CLK 2//pins definitions for TM1637 and can be changed to other ports #define DIO 3 TM1637 tm1637(CLK,DIO); void setup() { tm1637.set(); tm1637.init(); Timer1.initialize(500000);//timing for 500ms Timer1.attachInterrupt(TimingISR);//declare the interrupt serve routine:TimingISR } void loop() { if(Update == ON) { TimeUpdate(); tm1637.
VMA425 7. More Information Please refer to the VMA425 product page on www.velleman.eu for more information. Use this device with original accessories only. Velleman nv cannot be held responsible in the event of damage or injury resulting from (incorrect) use of this device. For more info concerning this product and the latest version of this manual, please visit our website www.velleman.eu. The information in this manual is subject to change without prior notice.
Velleman® Service and Quality Warranty Since its foundation in 1972, Velleman® acquired extensive experience in the electronics world and currently distributes its products in over 85 countries. All our products fulfil strict quality requirements and legal stipulations in the EU. In order to ensure the quality, our products regularly go through an extra quality check, both by an internal quality department and by specialized external organisations.