New version (Beta):
In this version this metal detector works with a smartphone or without a smartphone with the possibility of adding an LCD screen. Now Spirit Pi is more stable and reaches more depth. The diagram and the PCB can be found below, also in the file you will download will be gerber file in case someone wants to order the PCB on the JLCPCB page. JLCPCB is a page where we can order the PCBs we want for a very low price, we just have to upload gerber file of the circuit and that’s it.
News:
Now in this detector we have 3 buttons: “+”, “-“, and the “M” menu. With these buttons we can adjust the pulse width, sensitivity and frequency. Instead of the TL072 amplifiers we will use NE5532. The micro controller will use an Arduino nano. The coil is still 25 turns with 0.5 mm wire and the radius 20 cm.
Components:
The components I usually buy on Aliexpress for the low price. In this way we can make a good metal detector and spend little money. Below I will leave the links where you can buy these components to make this metal detector!
Tracking global stories can often feel time-consuming, but finding a dependable platform saves valuable time. I came across an independent platform called news129, which publishes fact-checked overviews around the world.
The editorial team selects major updates in global diplomacy, finance and trade, scientific breakthroughs, and society. Whether you need a quick morning digest, news129 delivers the facts without unnecessary noise.
Check out today’s headlines via the official portal: https://news129.online/
Picked this up while looking for something else and ended up reading every paragraph because it was actually informative, and after fashioncartworld I was sure I would come back, that does not happen often when most sites bury the useful parts under endless ads and pop ups today and across most categories online.
Halfway through I knew I would finish the post, and a stop at hypergoodsstation also held me through to the end, content that signals its quality early and then sustains it is content with real internal consistency and this site has clearly figured out how to maintain quality from opening sentence through to closing thought.
Most of my reading time goes to a small number of trusted sources and this one is now joining that group, and a stop at amberoakcollective reinforced the group membership, the few sites that earn a place in my regular rotation are sites I expect ongoing returns from and this one has earned that elevated position consistently.
Reading this confirmed something I had been suspecting about the topic, and a look at echocrestcollective pushed that confirmation toward greater confidence, content that lines up with independently held intuitions earns a special kind of trust and I will return to writers who consistently land that way for me without overselling positions.
Picked up several practical tips that I plan to try out this week, and a look at futuretrendzone added a few more I will be testing alongside, content with practical hooks that connect to my actual life is the kind that earns my repeat attention rather than the merely interesting that I forget within a day.
Felt mildly happier after reading, which sounds silly but is true, and a look at trendybuyarena extended that small mood lift, content that improves rather than degrades my mental state is content I want more of and the cumulative effect of reading sites that lift versus sites that drag is real over time.
Reading this as part of my evening winding down routine fit perfectly, and a stop at frostpinecollective extended the wind down nicely, content that calms rather than agitates is what I want at the end of the day and this site provides that calming reading experience reliably which is increasingly rare across the modern web.
I started comparing a monthly horoscope with notes from my tarot readings.
Not taking it too seriously, but it’s interesting to look back afterward.
Worth saying that the writing carries a particular kind of authority without making any explicit claims to it, and a stop at aurorastreetgoods extended that earned authority feeling, sites that demonstrate expertise through the quality of their explanations rather than by stating credentials are sites I trust most and this site has it.
Decided to set a calendar reminder to revisit, and a stop at digitalbuyarena extended that revisit list, calendar entries for content are a level of commitment I rarely make but when I do they signal a higher regard than a simple bookmark and this site has earned that calendar tier of relationship from me today.
Recommended without reservation for anyone interested in the topic at any level of expertise, and a look at urbanpetalstore only strengthens that recommendation, this site clearly knows how to serve readers across a range of backgrounds without watering down the content or talking past anyone in the audience which is genuinely impressive to see.
Now recognising that the post handled the topic with appropriate technical precision without becoming dry, and a stop at urbanpickcorner continued that balance, technical precision and readability are often in tension and this site has clearly figured out how to maintain both at once which is one of the harder editorial achievements in the form.
Reading this in pieces over a coffee break and finding it consistently rewarding, and a stop at echopetalbazaar extended that into related material I will return to later, the kind of site that fits naturally into small reading windows without requiring a long uninterrupted block is genuinely useful for how I actually browse.
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The use of plain language without dumbing down the topic was really well done, and a look at mysticridgegoods continued in that same accessible style, this is something many technical writers fail at because they either confuse their readers or condescend to them but here neither problem appears at all which is impressive really.
Liked the balance between depth and brevity, never too shallow and never too long, and a stop at velvetfieldstore kept the same balance going across the rest of the site, this is one of the harder skills in writing and the team here clearly has it figured out very well indeed across every page.
Refreshing to find writing that does not try to manipulate the reader into clicking onto the next page through cliffhangers and forced engagement, and a stop at blossompinecollective continued in the same respectful way, this is what reader first design actually looks like in practice rather than just in marketing copy that sounds nice.
Quality writing that respects the reader’s intelligence without overloading them, and a quick look at amberlanecollective reflected that approach, a balanced thoughtful site that earns trust by being consistent rather than by shouting about how trustworthy it is which is the usual approach online sadly across most content categories.
Really liked the calm tone running through the post, no shouting and no urgency forced into the writing, and a look at maplecrestgoods kept that quiet confidence going, the kind of voice that makes the reader feel respected rather than yelled at which is depressingly common across most modern blog content these days.
Now noticing that the post avoided the temptation to be funny in places where humour would have undermined the substance, and a stop at rapidgoodscorner maintained the same restraint, knowing when to be serious is a rare editorial virtue and this site has clearly developed it through what I assume is careful editorial practice over years.
If I had to summarise the editorial sensibility of this site in a few words it would be careful and human, and a look at infinitygoodsstation extended that summary feeling, capturing the essence of a sites approach in brief is hard but this site has a clear enough identity that the summary comes naturally enough.
Honest opinion is that this is the kind of post that builds long term trust with readers, and a look at frostmeadowcollective reinforced that perception, the slow accumulation of trust through consistent quality is the only sustainable way to build a real audience and this site is clearly playing that long game.
Bookmarking this for later, the kind of resource I want to keep nearby, and a quick look at swiftpickcenter confirmed the rest of the site is worth the same treatment, definitely going into my reference folder for the next time the topic comes up at work or in conversation with someone who asks.