{"id":70871,"date":"2022-08-29T14:15:43","date_gmt":"2022-08-29T06:15:43","guid":{"rendered":"https:\/\/www.seeedstudio.com\/blog\/?p=70871"},"modified":"2024-06-28T01:56:15","modified_gmt":"2024-06-28T01:56:15","slug":"the-communication-distance-of-xiao-esp32c3","status":"publish","type":"post","link":"https:\/\/www.seeedstudio.com\/blog\/2022\/08\/29\/the-communication-distance-of-xiao-esp32c3\/","title":{"rendered":"Open Lab: How I Tested the Communication Distance of Seeed Studio XIAO ESP32C3"},"content":{"rendered":"\n

Hey community, it\u2019s Monday, which is a perfect time for experiment and testing to freshen up the week.. This time, we\u2019re having our colleague Matsuoka<\/a> from the Seeed Japan team<\/a><\/strong> show us how he measured the communication distance of Seeed Studio XIAO ESP32C3.<\/p>\n\n\n\n

Notes: The following contents is originally available in Japanese, written by Matsuoka on Seeed K.K. Lab<\/strong><\/a>. I translated and edited it into English with the help of GoogleTranslate. A big shout-out to Matsuoka for offering proofreading for it.<\/em><\/p>\n\n\n\n

\n\n\n\n

<\/a><\/p>\n\n\n\n

I bet there are some people who are doubted about the statement of XIAO ESP32-C3\u2019s communication distance on the product page as it writes as “Powerful ESP32-C3 SoC and U.FL antenna support WiFi\/Bluetooth connection over 100m<\/a><\/strong>.” We know that communication is possible at a distance of 100m or more, but is it really the case for XIAO ESP32-C3? So let’s experiment to test it out.<\/p>\n\n\n\n

<\/p>\n\n\n\n

How I Tested It?<\/strong>
Ping www.google.com<\/a> on the Internet via Wi-Fi from the XIAO ESP32C3. Get the round trip time of Wi-Fi RSSI((Received Signal Strength Indicator)) and Ping at that time and check if communication is good. The distance of 100m will be secured outdoors. I set the Orbi AX6000, which seems to be the strongest Wi-Fi access point I have, by the window on the second floor, and take the Seeed Studio ESP32C3 (and PC) outside to secure a distance of 100m.<\/p>\n\n\n\n

For the XIAO ESP32C3 Antenna, I attached the XIAO ESP32C3 to the tip of a piece of cardboard so that it would not be affected by the metal parts of the PC.<\/p>\n\n\n\n

Here is a picture of how I set up the XIAO ESP32C3 and PC for testing:<\/p>\n\n\n\n

<\/p>\n\n\n\n

Seeed Studio XIAO ESP32C3 code was made for experimentation (Check this GitHub<\/a><\/strong>). Ping communication used ESP32Ping library<\/a><\/strong>.<\/p>\n\n\n\n

<\/p>\n\n\n\n

What Are the Results?<\/strong>
Below you\u2019ll find two pictures, the left one is about the RSSI, and the right one is about the round trip time.<\/p>\n\n\n\n

<\/p>\n\n\n\n

The RSSI decreased when the distance increased. The Wi-Fi connection never drops even when the distance reaches over 100m.<\/p>\n\n\n\n

The round-trip times are in the range of 20-30ms up to 20m, but after 50m, there were occasional delays. Over 100m, there were times when it was around 100ms. Ping itself never failed to communicate (lost). Somehow, I feel like the car was slow when it passed by the side where I was experimenting.<\/p>\n\n\n\n

<\/p>\n\n\n\n

Summary<\/strong>
The Wi-Fi communication distance of Seeed Studio XIAO ESP32C3 covers over 100m. The response time varied beyond 50m.<\/p>\n\n\n\n

\n\n\n\n

That\u2019s it for this entry. As always, we can\u2019t wait to see what you make. Shoot us a tweet @seeedstudio<\/a><\/strong>, or let us know on LinkedIn<\/a><\/strong>, Discord<\/a><\/strong>, or publish your project on our Project Hub on Hackster<\/a><\/strong>. Please be safe out there, be kind to one another, and we\u2019ll see you next time with even more exciting news!<\/p>\n","protected":false},"excerpt":{"rendered":"

This time, we\u2019re having our colleague Matsuoka from the Seeed Japan team show us how he measured the communication distance of Seeed Studio XIAO ESP32C3.<\/p>\n","protected":false},"author":49,"featured_media":70873,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"iawp_total_views":0,"footnotes":""},"categories":[4393],"tags":[4432,4312,3092,4706,1512,4431],"class_list":["post-70871","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","tag-communication-distance","tag-open-manufacture","tag-product-testing","tag-seeed-studio-xiao","tag-wi-fi","tag-xiao-esp32c3"],"yoast_head":"\nOpen Lab: How I Tested the Communication Distance of Seeed Studio XIAO ESP32C3 - 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