@elecnotes.bsky.social
My aim is to provide clear summaries & information about electronics, radio & connectivity. I’ve had a fantastic career in electronics - now I’d like to help others into it. Website: https://www.electronics-notes.com #electronics #RFdesign #antennas
Battery Types & Technologies: a primer
There are various different technologies for electrical batteries and cells both rechargeable and non-rechargeable and understanding how they work can enable them to be used more effectively.
Discover: www.electronics-notes.com/articles/ele...
COB LEDs Are Revolutionising Lighting NOW - What Are They?
Discover what these LEDs are, how they are constructed, their advantages and some of their applications. How do they compare with standard LED lights?
Watch my vidro now: youtu.be/fBRbeH7YIBc
Indeed it must be nice to have that sort of space!
27.07.2025 21:10 — 👍 0 🔁 0 💬 0 📌 0
What is Bit Error Rate, BER
Bit Error Rate, BER is a key parameter for measuring the performance of a data wired or wireless data channel.
Discover: www.electronics-notes.com/articles/rad...
Morse Code Coffee Mug
Bring some communication to your coffee time with this amazing Morse Code Coffee Mug.
The mug can show off your interest and passion, and it is sure to spark a conversation.
Buy one now: electronics-notes-shop.fourthwall.com/products/mor...
Rhombic Wire Antenna Explained
One of the antennas that have been used in the past and to which many radio amateurs aspire is the rhombic antenna.
Discover more: www.electronics-notes.com/articles/ant...
#antennas #rhombic #amateurradio #hamradio
I’ll need to see what I can do - may be a generic SI units conversion page.
26.07.2025 21:00 — 👍 0 🔁 0 💬 0 📌 0I’m pleased that the website has helped.
26.07.2025 20:58 — 👍 0 🔁 0 💬 0 📌 0Wow - that’s a while ago!
26.07.2025 20:57 — 👍 0 🔁 0 💬 0 📌 0
Ohm's Law
Ohm's Law states that the current flowing in a circuit is directly proportional to the applied potential difference and inversely proportional to the resistance in the circuit.
More: www.electronics-notes.com/articles/bas...
When was the LED effect first noticed: it’ll surprise you to know.
Today we used LEDs all the time, but how much do we know about their history?
It’s a story full of surprises, but touched with sadness.
Discover now in my video: youtu.be/Ee49qKypBgY
Britain's Secret WW2 Electronic Component Lifesaver
Second to the magnetron, this component was probably the most important electronic component that saved Britain in the face of attacks from the Nazi Luftwaffe.
Discover the complete story in my video: youtu.be/AKMH-BPtrCw
#Vacuumtube
Transistor & Diode Part Numbering Codes
There’s a surprising about the transistor performance that can be learned from many part numbers.
Discover more: www.electronics-notes.com/articles/ele...
#transistors #jedec #proelectron #electroniccomponents
A Guide to Superhet Radio Technology
I've just launched my latest eBook. It covers all the basics of the superhet or superheterodyne radio.
Buy it now from my online shop: electronics-notes-shop.fourthwall.com/products/a-g...
#ebook #superhet #superheterodyne #amateurradio #hamradio
Sporadic E, Es Propagation
Sporadic E propagation is sporadic & unpredictable by nature, but it enables radio signals to travel over much greater distances & often at higher frequencies than would normally be possible via the ionosphere.
More: www.electronics-notes.com/articles/ant...
A Guide to Operational Amplifiers and Their Circuits - Now LIVE!
I've just launched my new eBook which is available on my online shop for a very reasonable price.
Check it out: electronics-notes-shop.fourthwall.com/products/a-g...
For anyone interested in electronics my vintage vacuum tube / valve coffee mug provides a really unique item.
Dishwasher and microwave safe, this coffee mug is ideal for use at work, at home or in the workshop.
Buy it now: electronics-notes-shop.fourthwall.com/products/vin...
Electrolytic Capacitor Markings: how to interpret them & what they mean
There are very many different markings found on leaded electrolytic capacitors.
It is very useful to understand them and what they mean.
Watch my video now to find out what they mean: youtu.be/t38O9N6JIhE
Discover my COOL MORSE CODE MUG
I'm thrilled to introduce you to my unique & stylish Morse Code Mug.
Perfect for coffee lovers and code enthusiasts alike, this mug is more than just a drinkware item; it's a conversation starter & a cool piece of art!
youtube.com/shorts/-iQ56...
#Morsecode #Mug
FET Types Infographic
I've developed an infographic which shows the various basic types of FET that are available.
Download the full sized infographic: www.electronics-notes.com/articles/sum...
#infographic #FET #FETtypes #electroniccomponents
I’ve just received the sample of my Morse Code mug, and I’ve released for sale.
I think it looks really good, but check it out for yourself.
It is available in three sizes: 11oz, 15oz, and a large 20oz.
Check it out: electronics-notes-shop.fourthwall.com/products/mor...
#morsecode #mug
Discone Antenna Explained
The Discone antenna provides a wide bandwidth with an omnidirectional radiation characteristic, making it ideal as a VHF / UHF scanner antenna or for military & monitoring activities.
More: www.electronics-notes.com/articles/ant...
#antennas #discone #widebandantenna
Understanding Ultra-wideband, UWB: a basic 101 introduction
Ultrawideband is a technology that has been growing in importance in recent years.
Discover now: www.electronics-notes.com/articles/rad...
#UWB #ultrawideband #automotive #radar
What is a Potential Divider / Voltage Divider Circuit
The potential divider is one of the most widely used circuit configurations.
Find out all about it in my video, what it is, how to design it, etc.
Watch now: youtu.be/8ZjYM0dcc9c
#potentialdivider #resistors #circuitdesign
Electromechanical Relays are Still Useful in Today’s Semiconductor Era.
Despite the fact that semiconductor switches can be used in many areas, the electromechanical relay still has many areas where it excels.
Discover: www.electronics-notes.com/articles/ele...
#electronics #relay
What's SO Special about WIREWOUND RESISTORS
Find out what is so special about these components in my video and discover why they are essential for many high tech circuits.
Watch my video now: youtu.be/Zgn-iJXT-Mw
#resistors #wirewound #witewoundresistors #electroniccomponents
How Can Ceramic Filters & Resonators Work For You?
Ceramic filters use piezoelectric ceramic elements to provide a low cost, compact alternative to LC or quartz crystal RF filters for many radio frequency or RF systems.
Discover more: www.electronics-notes.com/articles/ele...
How to Improve Your Wi-Fi Coverage Using the Best Router Location
The coverage a of an IEEE 802.11 Wi-Fi router can depend on many elements, routers in some locations perform better than others. I look at how to optimise your W-Fi coverage.
Discover: www.electronics-notes.com/articles/con...
Understanding Carbon Composition Resistors: 101 explanation
Although carbon composition resistors are usually thought to be totally outdated, there are a few areas where they outperform other forms of resistor.
Watch now: youtu.be/o0mxS0j41oA
#resistors #carboncomposition #electroniccomponents
PCB Artwork Used in Amazing Art Pieces
Have you noticed how often the inspiration for various pieces of artwork comes from printed circuit board layouts.
Watch my video now: youtube.com/shorts/hQLKd...
#printedcircuitboards #artwork #art #PCB #electronics
