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SMDKing

201 orders since Oct 21, 2017

Hoogezand, Groningen, Netherlands

Custom Work Available

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Overall Rating:

Review Breakdown

5
4 4
5 3
0 2
1 1
0

Average Ratings

Product: (4.60)

Documentation: (4.00)

Shipping: (4.90)

Communication: (4.80)

All Reviews

Bill | Feb. 9, 2020

EMP sensor

For EMP sensor, detect lightning and other phenomena !

Dear SMDKing,

I wired your module to trigger 2 x 4026 counters to show number of lightning strikes on 2 x 7 segment displays. This was powered by 4 x AA batteries with a 1N4004 in series with the positive lead = 5.3 V.

I also soldered a 1 meter length of hookup wire to the module, & attached it to the window, in an upside down L shape. I then waited for an electrical storm to arrive. Sure enough, the setup detected local & far away lightning strikes with no problem. The counter showed 15 strikes, an excellent result.

I would recommended this module without hesitation, because it works, provided you use an antenna & batteries for a power source.

Cheers,

Bill

Mark | Nov. 17, 2019

Highly recommended!

For LumenFix FF500 - Lightsource for drilling/milling

I purchased the Lumenfix FF500 for my Proxxon BFB 2000 drill stand, it was delivered on time and works perfectly. I made a wooden plate to fix it to the drill stand and I am very pleased with the result, it lights the work area perfectly and I can highly recommend this product!

Gert | June 15, 2019

Hardly detects anything.

For EMP sensor, detect lightning and other phenomena !

Hardly detects anything. Lightnings at 2-3km away are not detected.
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Joël | April 5, 2019

Works like a charm!

For Flex NodeMCU programmer BE (for ESP-12, 08 and 07)

Works as expected.
Some I/O pins are fitted with an LED, which is very convenient for quick testing purposes.
Only point of critic is that the soldering quality is messy.
A tip for a future version, also breakout the bottom pins for the ESP12E and F.

Great product!

Robert | June 25, 2018

great device

For EMP sensor, detect lightning and other phenomena !

Great device. Small, with antenna, digital and analog output. I checked with a lighter - buzzer and bright white LED, digital output for alarm, works. Delivery up to 7 business days from the Netherlands to Poland

Scott | May 31, 2018

Always love smd's stuff

For Flex Red Devil ESP8266 Programmer

I first got introduced to smd's goodies back when I found a posting about one of his older (red) esp12/esp07 programmers and promptly ordered one. I was having fits getting it to work and thought I must be doing something wrong. I contacted him and he quickly helped me remedy the problem. I've teased him ever since that he should make something to program 03's and in my most recent taunting I said if he was really smart he'd put an 01 programmer on it too while he was at it. He just sent me the link back to this bugger and I ordered one right away! It's nice to have one platform where I can talk to 5 different types of my bare-bones devices and two more if I ever decide to try playing with a 4 or an 8.
Great stuff, highly recommend and try to help him promote as much as I can. I haven't seen anything as versatile as this platform out there. I especially love how he makes the power a no brainer with a rectifier so you can't even hook it up backwards. My only complaint is the pending documentation. But he covers the basics in the description and is quick to answer any questions so I'll still give him a few stars on it there

Manuel | March 20, 2018

Great sensors for a great price

For EMP sensor, detect lightning and other phenomena !

These sensors work very well for detecting ESD-events.
Care should be taken to not reverse the polarity, as I did with my first one. The digital output was fried, but the analog part still works fine.

Spencer | Feb. 27, 2018

Great bit of kit!

For Flexible NodeMCU ESP12, 08 and 07 programmer

I had made about 4 different jigs to program the ESP8266 ESP-12 modules. All of them were a bit hit and miss, with different problems. Finally, I decided to wasting time and money and I bought this.

It works great! Exactly what I need to program a bunch of ESP-12 modules. Totally worth the money, it's saved me many hours already! I just wish I'd gone down this route months ago.

Documentation is a bit sparse, and I it would be nice if it could all be powered from the USB connection, but, otherwise, it's perfect!

Toby | Jan. 20, 2018

Detects really well.

For EMP sensor, detect lightning and other phenomena !

By varying the length of antenna wire it's possible to adjust the sensitivity. I like having it in the house to listen for the odd EMP switching spikes. Eg, washing machine change of cycle, fridge cycle, lights etc. Also hears lightning and sometimes other switching events from nearby in the neighbourhood. Remarkable device, found some dangerously noisey products in the house too. Has run for over 2 months so far on 3xAA's.

Wesley | Nov. 17, 2017

This thing is awesome!

For EMP sensor, detect lightning and other phenomena !

Bought a couple of these to detect lightning for a camera shutter control build. Seller answered several questions within a day of asking and answered well. I would suggest adding the tips he provided to the information for this sensor.

The sensor has both digital and analog output, if using digital out, breadboarding a circuit using an LED and an NPN transistor as a relay powdering an LED and a clicking an electronic lighter next to the sensor is how I tested to see if it were working. The circuit was based on the seller's reply when I asked how was I to test the sensor - it's not like I can wait around for a lightning storm in November.

If using analog just write a script to read the signal and use the electronic lighter for the test.
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