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How to make Short Call Script for tems investigation.

This a very simple FM Transmitter Circuit. I bought this PCB and Electronics components from ebay only 2 USD. this a short range FM Transmitter.

How to make USB Powered low cost ( 3USD ) mini mp3 player at home, using SD MP3 Player ZTV-M011 and 3PAM8403 2X3W Mini Audio Class D amplifier.This player supports USB, AUX and SD card input and FM radio

You are not believe aircraft windshield can open. some cockpit windows can be opened. example Boeing 737

How to connect IP CCTV camera to your computer, no need by extra device such as DVR or NVR. Using ispy Open souse software You can install Single IP camera system on your computer. If you have small shop of you need few camera You can use this method. Open Source Camera Security Software Download link   https://www.ispyconnect.com

LED can be convert sunlight to Electricity. single LED can produce very low current and very low voltage. Therefore a single LED cannot be used for powering any device. To increase its output current and voltage, we will use a combination of leds which are connected both in parallel and in series. The advantage of this is that the parallel combination increases current rating while the series combination increases voltage rating.This kind Of solar panel you can use as school science or experiment only. You can not get sufficient current, at least charge mobile Phone.

How to create google earth drive test root and how to convert to mapinfo tab file using mapinfo. without drive test root very difficult to do drive test. so before do SSV or Cluster drive we need drive test root tab file. In this video I will show you how to write drive test root and how to convert it to mapinfo tab file using mapinfo.