Contents Hide
- Water Level indicator with alarm
- What we need to make Water Level indicator
- PCB Solder for Water Level Indicator with alarm using Arduino
- Circuit Board Analysis Water Level indicator
- Water Level Indicator Circuit Diagram with alarm
- Build & setup of Water Level Indicator with alarm
- Video Tutorial of Water Level Indicator
- Arduino Code Analysis of Water Level Indicator
- Arduino Source code of Water Level Indicator with alarm
- Final Output of Water Level Indicator with alarm using Arduino
- Connect it to an overhead water tank
- Conclusion of the project
When the overhead tank is full extra water & electricity are wasted. By using this Water Level Indicator with alarm using Arduino we can overcome this problem. This water level indicator can be made easily at home using Arduino & old radio Speaker.
Water Level indicator with alarm
This simple project is a Water Level Indicator with an alarm using Arduino. The main motive of this project is to notify us by music in the Speaker when the tank is almost full so that extra water is not overflowed & electricity for the water pump is not wasted. When the water is not full Red (I used orange) led will glow in the DIY homemade Water Level indicator. As soon as the water is full, a green LED will glow & music in the speaker will start at high volume. Here we used a melody tone of Arduino & a popular Despacito song is used.
What we need to make Water Level indicator
- Arduino UNO
- Old Radio Speaker
- 5V DC Power supply
- Food Container 750 ml
- Long wires from room to tank
- aluminium plates 15cm x 2
- BC547 Transistor x 2
- Resistor 1k x 2
- 220-ohm resistor
- 0.1 uF
- Green & red LED
- 10K potentiometer
- zero PCB board
You can also use Atmega328p IC to make your own arduino. If you do not have Arduino UNO board, you can buy from the link below.
PCB Solder for Water Level Indicator with alarm using Arduino
First of all we have to take one small piece of zero PCB & solder all the components according to the circuit diagram. After soldering it will look like this.
Circuit Board Analysis Water Level indicator
Here I used 2 BC547 transistors in parallel to reduce heating on a transistor. When the speaker will play alarm at full volume, the current will flow at high ampere. If we use 2 transistors, then-current will divide into two BC547.
From this small PCB board, we will solder jumper wire which will be inserted in the Arduino board. If you make this project using ATMEGA328P, then you can solder everything in one board.
Also we have connected one 10K pot to control speaker output volume. It is recommended to keep it at full volume so that we can hear from long distance.
We have used an old Nikia mobile charger in this project as 5V supply.
Water Level Indicator Circuit Diagram with alarm
You can easily follow this circuit diagram to make your own DIY Water Level Indicator with alarm using Arduino.
Build & setup of Water Level Indicator with alarm
Here we used plastic food container which restaurants used for online food delivery. After setting up all the connection it will be like this photo below.
Video Tutorial of Water Level Indicator
Arduino Code Analysis of Water Level Indicator
In the Arduino code below inside bootTone Function, we used small 4-5 seconds starting tone when the device starts. Then in the fullTone function, we play 80 seconds long Melody of Despacito song.
When tank water is full one status flag is set at 1 to prevent the music playing at infinity. When the water level is low then it set to 0.
We have used Arduino analogue pin read value to detect water is full or not. Here we checked when analogue pin read value above 300, the water is full. This value may be different in your case. So check it yourself before final code upload.
Arduino Source code of Water Level Indicator with alarm
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1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 | //water level alarm with Despacito melody by somtips.com int water = 0; int notfull=3; int full=2; int speaker = 11; bool status=0; void setup(){ pinMode(notfull, OUTPUT); pinMode(full, OUTPUT); digitalWrite(notfull, LOW); digitalWrite(full, LOW); bootTone(); } void loop(){ //water full water=analogRead(A0); if (water>300){ if (status==0){ status=1; digitalWrite(notfull, LOW); digitalWrite(full, HIGH); fullTone(); } } else if (water<150) { //water not full digitalWrite(notfull, HIGH); digitalWrite(full, LOW); status=0; } delay(2000); } //tone Melody void bootTone() { tone(speaker, 587, 709.720327982); delay(788.578142202); delay(10.3082110092); tone(speaker, 554, 709.720327982); delay(788.578142202); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 369, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 391, 412.843850917); delay(458.715389908); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 554, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 440, 412.843850917); delay(458.715389908); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 41.7482545872); delay(46.3869495413); delay(36.0787385321); tone(speaker, 440, 37.109559633); delay(41.2328440367); delay(30.9246330275); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); } void fullTone() { tone(speaker, 587, 709.720327982); delay(788.578142202); delay(10.3082110092); tone(speaker, 554, 709.720327982); delay(788.578142202); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 369, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 391, 412.843850917); delay(458.715389908); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 554, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 440, 412.843850917); delay(458.715389908); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 41.7482545872); delay(46.3869495413); delay(36.0787385321); tone(speaker, 440, 37.109559633); delay(41.2328440367); delay(30.9246330275); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 46.3869495413); delay(51.5410550459); delay(30.9246330275); tone(speaker, 587, 46.3869495413); delay(51.5410550459); delay(20.6164220183); tone(speaker, 587, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 554, 691.165548165); delay(767.961720183); delay(314.40043578); tone(speaker, 587, 552.004699541); delay(613.338555046); delay(5.15410550459); tone(speaker, 554, 552.004699541); delay(613.338555046); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 369, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 46.3869495413); delay(51.5410550459); delay(30.9246330275); tone(speaker, 493, 46.3869495413); delay(51.5410550459); delay(20.6164220183); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 391, 273.683002294); delay(304.092224771); delay(159.777270642); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 41.7482545872); delay(46.3869495413); delay(30.9246330275); tone(speaker, 391, 37.109559633); delay(41.2328440367); delay(36.0787385321); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 554, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 440, 412.843850917); delay(458.715389908); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 64.9417293578); delay(72.1574770642); delay(5.15410550459); tone(speaker, 440, 64.9417293578); delay(72.1574770642); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 440, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 51.0256444954); delay(56.6951605505); delay(30.9246330275); tone(speaker, 587, 51.0256444954); delay(56.6951605505); delay(10.3082110092); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 659, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 554, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(314.40043578); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 880, 412.843850917); delay(458.715389908); delay(5.15410550459); tone(speaker, 739, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 739, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 739, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 659, 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587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 106.689983945); delay(118.544426606); delay(36.0787385321); tone(speaker, 587, 106.689983945); delay(118.544426606); delay(36.0787385321); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 369, 83.4965091743); delay(92.7738990826); delay(61.849266055); tone(speaker, 369, 83.4965091743); delay(92.7738990826); delay(61.849266055); tone(speaker, 587, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 587, 46.3869495413); delay(51.5410550459); delay(20.6164220183); tone(speaker, 587, 46.3869495413); delay(51.5410550459); delay(30.9246330275); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 46.3869495413); delay(51.5410550459); delay(20.6164220183); tone(speaker, 587, 46.3869495413); delay(51.5410550459); delay(30.9246330275); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(30.9246330275); tone(speaker, 554, 125.244763761); delay(139.160848624); delay(56.6951605505); tone(speaker, 554, 111.328678899); delay(123.69853211); delay(51.5410550459); tone(speaker, 554, 115.967373853); delay(128.852637615); delay(61.849266055); tone(speaker, 554, 125.244763761); delay(139.160848624); delay(87.619793578); tone(speaker, 554, 106.689983945); delay(118.544426606); delay(87.619793578); tone(speaker, 493, 153.076933486); delay(170.085481651); delay(46.3869495413); tone(speaker, 587, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 587, 41.7482545872); delay(46.3869495413); delay(30.9246330275); tone(speaker, 587, 41.7482545872); delay(46.3869495413); delay(30.9246330275); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 391, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 587, 32.4708646789); delay(36.0787385321); delay(36.0787385321); tone(speaker, 587, 32.4708646789); delay(36.0787385321); delay(46.3869495413); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 659, 55.6643394495); delay(61.849266055); delay(25.7705275229); tone(speaker, 659, 51.0256444954); delay(56.6951605505); delay(10.3082110092); tone(speaker, 659, 46.3869495413); delay(51.5410550459); delay(25.7705275229); tone(speaker, 659, 41.7482545872); delay(46.3869495413); delay(30.9246330275); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 587, 51.0256444954); delay(56.6951605505); delay(20.6164220183); tone(speaker, 587, 51.0256444954); delay(56.6951605505); delay(20.6164220183); tone(speaker, 659, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 659, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(159.777270642); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 554, 264.405612385); delay(293.784013761); delay(15.4623165138); tone(speaker, 554, 51.0256444954); delay(56.6951605505); delay(20.6164220183); tone(speaker, 554, 51.0256444954); delay(56.6951605505); delay(20.6164220183); tone(speaker, 554, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 554, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 554, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 493, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 587, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 554, 129.883458716); delay(144.314954128); delay(10.3082110092); tone(speaker, 369, 134.52215367); delay(149.469059633); delay(5.15410550459); tone(speaker, 369, 273.683002294); delay(304.092224771); delay(5.15410550459); tone(speaker, 369, 273.683002294); delay(304.092224771); } |
Final Output of Water Level Indicator with alarm using Arduino
The final product will look like this.
Connect it to an overhead water tank
At last, we have to connect it with an overhead water tank with long wires. You can use Aluminum or copper plate or wire inside the water tank for good conductivity.
Conclusion of the project
This is a very simple project you can try at home if you are Arduino lover. Wiring & code is very simple. The alarm is used here of 80 seconds. If you want to reduce alarm duration, you can use any other melody by searching the Internet.
