Matching Your Watch With Your Style
A watch is a timepiece, usually worn around the wrist or tied on a chain and carried in a pocket. Wrist watches are the most common type used today. Watches have been developed since the 17th century,...
View ArticleIndikator Tegangan Baterai Sederhana Dengan LED
Indikator ini akan memonitor tegangan baterai atau aki. Rangkaiannya simpel sehingga tidak membingungkan saat merakit dan tidak rentan kegagalan fungsi saat operasional. Rangkaian mengkonsumsi arus...
View ArticleSimple Battery Voltage Indicator With LED
This indicator circuit will monitor battery voltage. It's simple circuit will avoid confusing when assembling and not prone to malfunction during operation. The circuit consumes about 0.43 mA current...
View ArticleRest Area Purbaleunyi km 97 Viewed Above The Highway
Photo was taken at above Purbaleunyi or Cipularang highway km 97, West Java - Indonesia. Showing rest area which has plenty of souvenir factory outlets. Scenery was viewed from a bridge above the...
View ArticleCara Mudah Mengukur Kemiringan Atap Rumah
Kadang kita kesulitan mengukur kemiringan atap rumah karena posisi yang tinggi dan sulit memanjat misalnya. Dengan menggunakan prosedur yang dijelaskan di artikel ini, sudut kemiringan atap rumah dapat...
View ArticleEasy Way Checking Roof Pitch Or Slope
Sometimes it is hard to measure the slope of the roof of the house because of the high position and a difficult climb. There are several procedures described herein. By using the first procedure, the...
View ArticleBattery And Charging System Condition Interpretation By Voltage
Moment after the battery is fully charged, the battery voltage will drop dramatically from 14 volts to 13.2 volts when charger is disconnected. If using a 12 volt LED indicator as the above photo, then...
View ArticleLaju Penguapan Cairan Per Luas Permukaan
Laju penguapan setiap meter luas permukaan cairan per detik (evaporation flux) dapat dihitung dengan menggunakan rumus dari Irving Langmuir.Sebenarnya rumus tersebut digunakan oleh Irving Langmuir...
View ArticleWater Evaporation Rate Per Surface Area
The rate of evaporation of water surface area per meter per second (evaporation flux) can be calculated by using the Irving Langmuir formula.The actual formula was used by Irving Langmuir to measure...
View Article1986 Jakarta View: Wisma Antara Building
Photo below was taken from pedestrian overpass in 1986.My GPS location to shoot that view was -6.179473,106.822895 , facing south.The time was about 18:00 when people was going back to home after...
View ArticleBeberapa Penyebab Dinding Lembab Dan Solusinya
Biasanya kita terlambat menyadari dinding lembab. Saat cat sudah mulai terkelupas dan dinding ditumbuhi lumut baru kita menyadari bahwa selama ini dinding tersebut selalu lembab atau basah. Dinding...
View ArticleDamp Walls: Some Causes and Solutions
Usually we realized a damp wall lately. When the paint has begun to peel off the wall and overgrown with moss, then we realized that the wall is damp or wet . Damp wall can cause health problems. Some...
View ArticleWanayasa Lake (Situ Wanayasa) Purwakarta
Wanayasa Lake in Purwakarta - Jawa Barat, Indonesia. GPS coordinates -6.678247,107.556324 .
View ArticleVolume Cairan Di Tanki Horizontal Berpenampang Rumit
Beberapa pemirsa menanyakan tentang volume cairan di dalam tanki horisontal yang berpenampang rumit seperti pada truk tanki, di mana penampang tanki berbentuk mirip segiempat tapi dengan bagian atas...
View ArticleKitten Learns To Eat Mouse While Siblings Are Breastfeeding
Domestic cat (Felis catus or Felis silvestris catus) usually doesnt like to hunt and eat mouse as it can get human food. But a kitten in below video is an exceptional. A baby cat or kitten is eating...
View ArticleUji Tekanan Hidrostatik 1500 PSI Dengan Alat Sederhana
Hidrostatik test adalah test tekanan untuk menguji kekuatan dan kebocoran pada suatu bejana bertekanan atau komponen seperti tangki, pipa, tabung, boiler, tangki penyelam (SCUBA tank, Self Contained...
View Article1500 PSI Hydrostatic Pressure Test With Simple Tools
Hydrostatic pressure testing is a test to check strength and leakage in a pressure vessel or components such as tank , pipe, tube , boiler, divers tank (SCUBA tank , Self Contained Underwater Breathing...
View ArticleLampu Kedip Berdaya Besar 2200 Watt Yang Dapat Disetel
Diantara pemirsa ada yang menanyakan mengenai lampu kedip berdaya besar dengan tegangan 220 VAC. Maka pada artikel ini saya membahas modifikasi dari rangkaian pengedip (flasher) sebelumnya agar dapat...
View ArticleLiquid Volume In Complicated Horizontal Cross Section Tank
Some audiences asked about how to calculate liquid volume in a horizontal tank which have a complex cross section like a tank on tanker truck, tank which has cross section shaped like a rectangle but...
View ArticleAdjustable High Power 2200 Watts Twinkle Light
One of the audience was asking about big power twinkle light flasher with a voltage of 220 VAC. So in this article I discuss about modification of the previous flasher circuit for greater power up to...
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