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“The long wait is over, Tri-band Ham Radio Handheld Transceiver is here! - Arduino Pro Mini based 430/220/144 MHz 2 Watts, fully customizable, programmable with these features: - 2 watts output in high, midden and low; - 70 cm band, 1 …
“This project is my attempt to build LED color organ and VU meter both combined. The color of the LED depends on the frequency of the audio signal. The number of rows(i.e, arcs) depends on the amplitude of …
“This 16x2 LCD is too traditional and still very much popular in the world of electronics and embedded system. I remember I started programming on PIC for displaying text on these LCDs around 8 years ago. Now I just found …
“I had always wanted a device that would help me in leveling my 3D printer bed and some other device that would help me get an approximate length of a curved surface so that I could easily cut out the …
“Sometimes it’s handy to have a repeater to extend the range of a radio transmission. The particular usage I have in mind is to be able to receive telemetry from a landed payload that is too far away (or …
“As the name says this is a pocket sized CO detector which is used to detect Carbon monoxide in air our goal was to make this device portable and which fits in pocket size. pocket size in sense it should …
“this circuit works with both AC AND current. Once the circuit gets an IR signal from the remote, the relay will turn ON and if u again give that same signal, it will turn off.”
“In this project I will be showing you how to create a crude but functional battery spot welder. Its mains power source is a car battery and all of its components combined cost around 90 which makes this setup pretty …
“This project Instructable is a build of a multi function Timer. This timer is capable of functioning as: A general purpose alarm with selectable times between 1 second and +90 hours. Having a count down with audible alarm and/or …
“This project started all the way back when I was in 6th grade and completely new to electronics, when I thought to myself, “Hey, let’s build a drone….it shouldn’t be that hard……right?” Yea, guess what, it …