Content for BC337

BC337

The BC337 is an NPN transistor with a maximum gain of 630, commonly used in low power audio applications. It can also switch loads upto 45V and 800mA hence also used as general purpose transistor.

Wireless, Battery-Powered, Water Detector

“A water detector powered by a LiPO battery that transmits its status and notifications via MQTT to Home Assistant. About A while back my indoor air conditioner air handler’s condensation pipe clogged and caused a small flood. Thankfully we …

Electric Vehicle EV Charger

“I built my own 7.2kW EV charger and fitted it inside a Zappi enclosure. The 2 aims were simplicity and safety. This article documents the build. I wrote the Arduino software for it and all design files, software and …

DIY Arduino Superheterodyne Receiver

“In this project, we will upgrade a traditional shortwave superheterodyne receiver with an Arduino base tuner. This tuner is capable of receiving shortwave broadcasts on 41m band and above. This modularized receiver consists of a transistor base mixer, I.F …

AmebaD and Arduino humidity monitor for house plants

“Your plants die when you are on the road, this practice will help you create a Wifi monitor to keep an eye on them. In this practice a solenoid valve is controlled while the temperature and humidity of a plant …

DIY Water Level Indicator

“Make a water level indicator without using any microcontroller or programming. Just with simple electronic components! We have seen many DIY water level indicators which are made using Arduino UNO or any other microcontrollers. This adds up to the list …

Particle Accelerator Demo

“A while ago I decide to try to make a simple demo of particle accelerator, and I finally managed to do it. In this Instructable I will show you step by step how to make it. Before we start, let …

A Tiny Logic Probe TTL / CMOS with Battery Charger

“Using an ATtiny1614 processor with LiPo battery, including USB charging circuitry and logic. It is programmable with Arduino IDE! I would introduce to you this Logic Probe, a complete instrument. It is simple but effective to measure digital logic levels …

Building the Simplest, Best Sounding, Yet Most Inefficient Audio Amp!

“In this project I will be showing you how to create a class A audio amp. The great thing about such amps is that they only require a few components and sound awesome. On the other hand though, their efficiency …

ESP32 WiFi Remote

“Make a WiFi controlled remote using ESP32 and couple of additional components. Complete how-to guide and a detailed walktrough is available at YouTube.”

Roberts RM33 Raspberry Pi Internet Radio (Yet Another)

“Yes, it is another Raspberry Pi internet radio build and not my first one either. I am not sure why this build is still such a popular one, but I do still enjoy it and cannot say this one will …