A study of few useless water level indicators

This type circuits come as science models , even engineering students make to show . While in demo it looks fine , the circuit is as follows ....

lets list the problems

- The 9v cell is not solution it will drain in 20days
-the probes will be damaged by water corrosion
-the wires may catch noise and give very wring reading

- very costly 6wire wiring for high tanks

Our solution
-2 wire sensing
-touch to read , saves battery for 2 years
-probes made of graphite
-very low cost like 40Rs

Comments

BUS with no tickets

# makeinAssam ৫০বছৰে সেই বাছ conductorক খুচুৰা দিয়া কাম চলিছে .... বাচ পেমেন্ত চিচিতেমবোৰ বনাওতে খৰচ হয় বাবে নবনায়... ফলত টেকনকজী ব্যৱহাৰ নহয় পুৰনী কলিয়া চিচতেমেৰেই চলিচে হেচ থেলা খাই , কেচ লেচ হলে কেনে হয় ? The Revolutionary MakeinAxom IDEA:: পুৱা প্ৰিপেইদ কাৰ্দ ললে (50/-)বাচ স্তপত .. বাচ সোমাওতে কত যাব সেই জেগাৰ টকা বুতাম প্ৰেচ কৰিলে ধৰক ভাড়া ৬টকা ... তাত তেপ কৰক মানে কাৰ্দ চুই দিয়ক /ওপৰেৰে লৈ যাওক .. বিপ কৰিব মানে টকা কাতিলে আন ভাড়া বাবে কন্দাক্তৰে ৰিমতেৰে ভাৰা চিলেক্ত কৰি দিলে ৮টকা / ১২ টকা /১৫টকা কেচ লেচ কৰা সকলক অফাৰ ও দিলে ১৫০/- ললে ৩টা ভাড়া ফ্ৰি সন্দিয়া দৰকাৰ পৰিলে , বাচ স্তপত গৈ বাকী ৰোৱা ধন ঘুৰালে বা কাৰ্দতে ৰাখিলে The fraud security :: preventing misuse.. checker in buses : ভুল ভাড়া দি বেছি দুৰ যোৱা সকলৰ কাৰ্দ চেকাৰে চেক কৰিব যত তত ... ধৰা পৰিলে ২০০০ফাইন Why this is so cheap system yet very very useful: আৰদুইন হৈছে প্ৰচেচৰ বৰ্ড যত সকলো সহজে বনাব পাৰি . .BAREBOAR ARDUINO বনালে ১২০/-মানতে কৰি লব পাৰে ... ইয়াৰে মেই ৰিদাৰ বনাইছোঁ... ...

SpaceX ElonMask , is building up inter-globe-travel : Newyork to Mumbai in 30Minutes

Elon Musk predicts rockets will one day have the capacity to fly individuals from New York to Shanghai in only 39 minutes. Musk's organization, SpaceX, is building up a colossal shuttle to colonize Mars. It could likewise be utilized substantially nearer to home. Talking at a space meeting in Australia on Friday, Musk said the organization had investigated applying the innovation to zooming individuals to better places on Earth in madly quick circumstances. "The outcomes are very intriguing," he said as a video demonstrated a recreation of individuals boarding a rocket in New York that launched into space and afterward returned to arrive in Shanghai. Related: Elon Musk is expecting to arrive spaceships on Mars in 2022 "The most interesting thing about going to space is there's no contact, so once you're out of the air ... it'll be smooth as silk, there's no climate," Musk said. Most voyages between focuses on this planet will tak...

circuitbasics :আইচি বোৰৰ পিন কেনেকে উলিয়াবা

Open up a television or a radio and you'll see many parts that it's built around a printed circuit board (PCB): a bit like an electric street-layout with small circuit components (such as resistors and capacitors) in place of the buildings and printed copper connections linking them together like miniature metal streets. Circuit boards are fine in small appliances like this, but if you try to use the same tricks alike to build a complex electronic machine, such as a computer, you quickly hit a snag. So to get the best of the small space IC or integrated circuit Lets learn how to get the pins to follow a circuit diagram This is 555 EGG timer it will shut off egg heater after time delay or it will BUZZ Lets find the pins of the IC ! 555timer টোৰ পিন দেখাইছো , কাত তোৰে বাওঁপিনে ১নং পিন ... তাৰ পৰা ২,৩,৪... একে দৰে CD4017(runing led IC) টোত পিন দেখিবা link: http://www.electronicecircuits.com/wp-content/uploads/2010...

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