Content for BC548

One Transistor FM Transmitter

“This circuit is basically an oscillator which runs at around 100 MHz. The most important parts of the oscillator are the transistor Q1 and the tuned circuit, which comprises the inductor Ll and the variable capacitor CV1. When the battery …

Automatic Dark Detector

“I made a project on this platform and It’s not that much effective. So this project is all about the some minor upgrade to increase the effectiveness. If you are following me then you know that what I am …

A Desk Drawer Protector Using ESP8266

“I am slightly (just a teeny bit, I assure you) obsessed with my desk drawer and the arrangement of the contents therein. When I am in dire need of my Kuru Toga pencil (sketch emergency) or my Alaskan knife (bear …

DIY Synth Series Part 1 — The Exponential VCO

“Today’s music is mostly made using computer software to master tracks, add instrumentals, mix songs, manipulate sounds and much more— but how do they use to make music? Music used to be done entirely with REAL instruments such as …

DIY Relay module

“The reason i come up with this tutorial is last week i needed to make a project so fast(its a urgent project for my college) i needed a relay module to finish the last stage of the project, unfortunately …

Make the Ultimate Bluetooth Speaker

“I really really Want a Bluetooth Speaker that is decent in form and performance. I want a Bluetooth Speaker to last longer and affordable in price but here in the Philippines good performance is equals to higher price you need …

Attiny25/45/85 PWM generator and Servo tester! Updated Code!

“Hello, in this project I want to show you how to build a PWM generator with a Attiny processor. It is very easy to build and a nice project for starters as also for professionals. You will need some electronic …

Arduino LPG and Flame detector

“This project is an Arduino based LPG and Flame detector. I got the idea to build this project because these days I’ve got my vacation and I’ve always wanted to make an innovative and unique project.Hope you …