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Executive Summary for liudresllc.com

777 Response Time (ms)
200 HTTP Status
18 Scripts
8 Images
22 Links
HTTP/1.1 Protocol

SEO & Content Analysis

Basic Information
Page Title
LiuDr Electronic Solutions LLC Official Blog | Arduino raspberry pi circuits programming python Linux and physics
Meta Description
Arduino raspberry pi circuits programming python Linux and physics
HTML Language
en-US
Robots.txt Present
Sitemap Present
total_urls: 2
SEO Meta Tags
content-type: text/html; charset=UTF-8
Page Content
LiuDr Electronic Solutions LLC Official BlogJanuary 11, 2025If your SDI-12 adapter isn’t “working”, don’t panic! The adapter has been tested with an actual SDI-12 sensor so it’s supposed to work. Go through the following steps to troubleshoot the adapter. As a matter of fact, DO the following step BEFORE you put any adapter to use for the first time!1. Remove any sensors or external power connections from the adapter. Check for any physical damages on the USB port, the board, and terminals.2. Plug the adapter into a windows computer, if the computer recognizes the adapter with a “USB plugged in” chime, and your device manager shows a serial port just appeared, proceed. Otherwise, the adapter is either damaged or the USB port may be damaged. If it shows a message saying an unrecognized device, the USB chip is damaged. The following is a screen shot of my device manager. The serial port COM15 wasn’t there before I plugged in my adapter. Opening the property of the port shows the manufacturer as FTDI (the USB chip). This confirms this step is successful. 3. While connected to PC, use putty (available in windows app store) or tera term and connect to the serial port you observe that appeared in step 2, with 9600 baud rate and 8 bit data, 1 bit start, 1 bit stop, no parity (default settings for many terminal programs), type in zI!, which is zee-EYE-! without hitting enter. If the adapter responds, then proceed. The following screen shot is the set up screen of PuTTY. Make sure you select the connection type as Serial and type in the correct serial port name and speed.You won’t be able to see what you typed in (no local echo unless you turn on that feature) but you will see the response from the adapter as below. Your version of firmware may be different from 1.5.9 (159) though. If there is no response, the SDI-12 interface chip may have been damaged.4. Close PuTTY connection. Disconnect the adapter from your computer. Connect a sensor that you know works (just tested to work). Reconnect the adapter to your computer and open PuTTY again. In the terminal program, issue ?! command. If the sensor responds with its address such as 1 in the following screen shot, the adapter works. You can follow up with an identification command 1I! that is 1-EYE-! and replace 1 with the address you see on screen after ?!. You may have to connect 12V to the adapter’s power input and select to use this power input with a jumper for certain sensors. Consult with your sensor’s manual for operating voltage. If there is no response from either ?! or the identification command, the SDI-12 chip may have a damaged data pin.Before asking for some help, please test the adapter with the above procedure and tell me what you see. Try to avoid generic descriptions such as “failed” or “not working” and describe what you did and what you observe.;

Network & Infrastructure

DNS & Hosting
IP Address
192.0.78.164
Reverse DNS
Not detected
SSL/TLS Certificate
Issuer
CN=E8, O=Let's Encrypt, C=US
Protocol Tls13
Expires In 85 days
HSTS Enabled

Technology Stack

Content Management Systems
WordPress WordPress (robots.txt)
JavaScript Frameworks
jQuery
Server Technologies
PHP (inferred from WordPress)

Services & Integrations

Analytics & Tracking
Google Analytics GA4
E-commerce Platforms
Magento PrestaShop

CDN & Media Providers

Media Providers
YouTube

Dynamic Analysis & Security

Dynamic JavaScript Analysis
Angular (Data Attributes) Bootstrap (CSS Classes) ES6+ JavaScript Features jQuery (CDN Detection) jQuery (script Resource) Single Page Application (SPA) - Suspected Web Server: nginx
Security Headers
HSTS
Server Headers
nginx

Resource Analysis

External Resource Hosts
0.gravatar.com
1.gravatar.com
2.gravatar.com
c0.wp.com
i0.wp.com
jetpack.wordpress.com
liudresllc.com
public-api.wordpress.com
s0.wp.com
secure.gravatar.com
stats.wp.com
widgets.wp.com
wp.me
UI Frameworks & Libraries
Angular Material (Class Names) Bootstrap (Class Names) D3.js Ionic (Class Names) Slate Swiper Vuetify (Class Names)

Social Media Integrations

Analysis Errors

Analysis Warnings & Errors
The following issues occurred during analysis:
  • Reverse DNS failed: No such host is known.
Analysis Complete

Analyzed liudresllc.com with 4 technologies detected across 7 categories

Analysis completed in 777 ms • 2026-03-23 08:00:41 UTC