{"id":13894107,"url":"https://github.com/gavinlyonsrepo/Arduino_Clock_2","last_synced_at":"2025-07-17T08:32:29.874Z","repository":{"id":98596744,"uuid":"68115758","full_name":"gavinlyonsrepo/Arduino_Clock_2","owner":"gavinlyonsrepo","description":"Arduino Real Time Alarm Clock with Temperature and LED lights. 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All Leds off\n1. All Leds on\n2. All red Leds on\n3. All blues on\n4. LEDs bargraph on based on temperature.(0-30C one LED = 3 degrees)\n5. Blink all LEDS on and off \n6. Fade in and out with PWM all LEDs attached to PWM pins \n7. Cylon display  (led chaser)\n8. Blink all red , blink all blue.\n9. Random pattern\n\n\nParts List\n------------------------------\nSee eagle diagram in \"doc\" schematic. \n\n\n\u003eLCD module 16X2 with I2C module\n\u003e\n\u003eNANO Arduino module or UNO rev 3 \n\u003e\n\u003eDS 1302 Real Time Clock module (with CR2032 battery)\n\u003e\n\u003eLM35 temperature sensor\n\u003e\n\u003eone active buzzer \n\u003e\n\u003eOne VS1838 NEC Infrared IR Wireless Remote Control Sensor Module\n\u003e\n\u003e10 Leds( 5 red 5 bright blue)  10 current limiting resistors (5 220 ohms 5 150 ohms) \n\u003e\n\u003eRemote control 38kHz carrier frequency NEC.(The Unit is designed for BEKO MODEL: B92187F or Chorus remote Model: Um4(AAA,r03) can easily be re-factored for others(which can communicate with Vs1838) by end user.  The unit includes an option to scan remotes and give the codes on LCD. \n[Remote control information](https://github.com/gavinlyonsrepo/Arduino_Clock_2/blob/master/doc) \n\u003e\n\nSome current calculations in this design:\n\nRed Vd of 2V, Vcc-Vd/Rs = ~13mA. Bright Blue Vd 3, Vcc-Vd/Rs = ~13mA.\nTotal current consumption of LED circuit in theory = ~130mA.\n\nMeasured Current Consumption figures:\n\n1. 55mA , normal mode\n2. 31mA , Sleep mode\n3. 38mA , normal mode + LCD off\n4. 171mA , normal mode + All LEDS on\n\nSchematic\n---------------------------\n\n![ScreenShot schematic](https://github.com/gavinlyonsrepo/Arduino_Clock_2/blob/master/doc/eagle/clock2.png)\n\n","funding_links":[],"categories":["C++"],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fgavinlyonsrepo%2FArduino_Clock_2","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fgavinlyonsrepo%2FArduino_Clock_2","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fgavinlyonsrepo%2FArduino_Clock_2/lists"}