# Wifi **URL:** https://community.sparkfun.com/c/wireless-iot/wifi/108.md [Latest](https://community.sparkfun.com/latest.md) · [Categories](https://community.sparkfun.com/categories.md) · [Tags](https://community.sparkfun.com/tags.md) --- ## [About the Wifi category](https://community.sparkfun.com/t/about-the-wifi-category/59293)
**Author:** [@system](https://community.sparkfun.com/u/system)\ **Replies:** 0\ **Last updated:** [July 8, 2024, 4:06pm UTC](https://community.sparkfun.com/t/about-the-wifi-category/59293 "2024-07-08T16:06:57Z")
Topics relating to WiFi networking for SparkFun breakout boards. --- ## [Faulty ALFA Network WiFi HaLow HAT not transmitting](https://community.sparkfun.com/t/faulty-alfa-network-wifi-halow-hat-not-transmitting/68697)
**Author:** [@willson555](https://community.sparkfun.com/u/willson555)\ **Replies:** 1\ **Last updated:** [May 6, 2026, 7:06am UTC](https://community.sparkfun.com/t/faulty-alfa-network-wifi-halow-hat-not-transmitting/68697 "2026-05-06T07:06:34Z")
I initially ordered 3 of these boards late last year, and after a lot of work fixing their drivers and making scripts to allow these boards to work, they are working in a mesh network. Since then mid April this year I or… --- ## [Weather Board bricked by sketch](https://community.sparkfun.com/t/weather-board-bricked-by-sketch/67246)
**Author:** [@alcyon](https://community.sparkfun.com/u/alcyon)\ **Replies:** 1\ **Last updated:** [November 2, 2025, 2:32am UTC](https://community.sparkfun.com/t/weather-board-bricked-by-sketch/67246 "2025-11-02T02:32:50Z")
Hello, I have a sparkfun weather board with esp32 micromod installed. Long story short, I’ve finally been about to get most of the sensors to output and it worked fine with Arduino IoT cloud. However, yesterday I flash… --- ## [AHPI7292S Ha-Low RF testing](https://community.sparkfun.com/t/ahpi7292s-ha-low-rf-testing/64588)
**Author:** [@Asmaa](https://community.sparkfun.com/u/Asmaa)\ **Replies:** 8\ **Last updated:** [August 13, 2025, 5:49pm UTC](https://community.sparkfun.com/t/ahpi7292s-ha-low-rf-testing/64588 "2025-08-13T17:49:16Z")
Hello, I would like to use AHPI7292S Evaluation Kit for an evaluation of RF performances of Ha-Low protocol. I may need your support to modify the script of the firmware in order to transmit the right waveform from the… --- ## [How to get wifi with teensy 4.1?](https://community.sparkfun.com/t/how-to-get-wifi-with-teensy-4-1/66197)
**Author:** [@Simon\_Goldsborough](https://community.sparkfun.com/u/Simon_Goldsborough)\ **Replies:** 1\ **Last updated:** [July 25, 2025, 1:20am UTC](https://community.sparkfun.com/t/how-to-get-wifi-with-teensy-4-1/66197 "2025-07-25T01:20:11Z")
Is there a way to use the “WiFi Module - ESP8266” with the Ethernet header on the Teensy 4.1? or would connecting a wifi adapter to the Ethernet adapter be better? im wanting to do OTA firmwear updates to the Teensy but … --- ## [Socket.io client with aw-cu488](https://community.sparkfun.com/t/socket-io-client-with-aw-cu488/65818)
**Author:** [@karishuma70](https://community.sparkfun.com/u/karishuma70)\ **Replies:** 1\ **Last updated:** [July 1, 2025, 6:04am UTC](https://community.sparkfun.com/t/socket-io-client-with-aw-cu488/65818 "2025-07-01T06:04:28Z")
I’m trying to implement a socket.io client in aw-cu488. What library should I use? I can’t find much information about it. --- ## [Unknown Error (-2) When Using MQTT Secure Client on SparkFun 9Dof DataLogger](https://community.sparkfun.com/t/unknown-error-2-when-using-mqtt-secure-client-on-sparkfun-9dof-datalogger/47429)
**Author:** [@JordanKam](https://community.sparkfun.com/u/JordanKam)\ **Replies:** 4\ **Last updated:** [May 10, 2025, 10:29pm UTC](https://community.sparkfun.com/t/unknown-error-2-when-using-mqtt-secure-client-on-sparkfun-9dof-datalogger/47429 "2025-05-10T22:29:32Z")
Hello everyone, I have been utilizing the SparkFun 9DoF DataLogger with secure client certs, ca, crt, and key files uploaded onto my datalogger via SD card. When I go through all of the procedures I keep receiving this … --- ## [Can the SparkFun ESP8266 Thing - Dev Board (with headers) be powered from its headers?](https://community.sparkfun.com/t/can-the-sparkfun-esp8266-thing-dev-board-with-headers-be-powered-from-its-headers/63245)
**Author:** [@doctorwho8](https://community.sparkfun.com/u/doctorwho8)\ **Replies:** 2\ **Last updated:** [March 12, 2025, 9:48am UTC](https://community.sparkfun.com/t/can-the-sparkfun-esp8266-thing-dev-board-with-headers-be-powered-from-its-headers/63245 "2025-03-12T09:48:28Z")
Hello! I’m in the process of developing one of my many whiz-bang ideas, and it devolves around the ESP8266 family of devices. (The Adafruit family have screened themselves out.) Now the question: “Can the SparkFun ESP8… --- ## [SparkFun Arduino IoT Weather Station KIT-22636 - Not Working](https://community.sparkfun.com/t/sparkfun-arduino-iot-weather-station-kit-22636-not-working/63288)
**Author:** [@alcyon](https://community.sparkfun.com/u/alcyon)\ **Replies:** 1\ **Last updated:** [February 10, 2025, 8:36pm UTC](https://community.sparkfun.com/t/sparkfun-arduino-iot-weather-station-kit-22636-not-working/63288 "2025-02-10T20:36:10Z")
Hi, I recently bought and very disillusioned with the Weather Station kit 22636 for the following reasons: Online documentation is dated and probably incorrect Sparkfun seem to live in the past and hasn’t updated libr… --- ## [Programming ESP8266 Thing with Visual Studio and vMicro Extension](https://community.sparkfun.com/t/programming-esp8266-thing-with-visual-studio-and-vmicro-extension/60696)
**Author:** [@MrBreeze](https://community.sparkfun.com/u/MrBreeze)\ **Replies:** 2\ **Last updated:** [September 17, 2024, 11:14pm UTC](https://community.sparkfun.com/t/programming-esp8266-thing-with-visual-studio-and-vmicro-extension/60696 "2024-09-17T23:14:28Z")
Is it possible to program the ESP8266 Thing using Visual Studio with the vMicro extension and the Arduino addon? Thanks! --- ## [DataLogger IoT WiFi Connectivity Issues](https://community.sparkfun.com/t/datalogger-iot-wifi-connectivity-issues/60167)
**Author:** [@jhinckley](https://community.sparkfun.com/u/jhinckley)\ **Replies:** 2\ **Last updated:** [August 29, 2024, 8:08pm UTC](https://community.sparkfun.com/t/datalogger-iot-wifi-connectivity-issues/60167 "2024-08-29T20:08:04Z")
I purchased two of the SparkFun DataLogger IoT boards a while back to use in conjunction with Qwicc temperature sensors so that I would be able to regularly log temperature information and send it over wifi. Additionally… --- ## [Can the Sparkfun ESP8266 Thing family be used as a serial to WiFi shim?](https://community.sparkfun.com/t/can-the-sparkfun-esp8266-thing-family-be-used-as-a-serial-to-wifi-shim/60024)
**Author:** [@doctorwho8](https://community.sparkfun.com/u/doctorwho8)\ **Replies:** 3\ **Last updated:** [August 20, 2024, 2:43pm UTC](https://community.sparkfun.com/t/can-the-sparkfun-esp8266-thing-family-be-used-as-a-serial-to-wifi-shim/60024 "2024-08-20T14:43:15Z")
Hello! I have here a pair of Sparkfun ESP8266 Thing Dev board with headers and I am wondering this platform can be configured to work as a serial to WiFi shim? Such that the serial connection on it would work in much th… --- ## [ESP8266 Return LED Signal?](https://community.sparkfun.com/t/esp8266-return-led-signal/59695)
**Author:** [@funwithfire](https://community.sparkfun.com/u/funwithfire)\ **Replies:** 3\ **Last updated:** [August 5, 2024, 11:11pm UTC](https://community.sparkfun.com/t/esp8266-return-led-signal/59695 "2024-08-05T23:11:41Z")
Hello All, Working on a Poofer project, or something similar (see: ESP8266 Powered Propane Poofer - SparkFun Learn). I want to wirelessly activate a propane fire pit, and have a flame-out indicator send a signal back to… --- ## [Dialog ULP WiFi DA16200 R3 Shield factory installed firmware](https://community.sparkfun.com/t/dialog-ulp-wifi-da16200-r3-shield-factory-installed-firmware/47546)
**Author:** [@mschmid](https://community.sparkfun.com/u/mschmid)\ **Replies:** 2\ **Last updated:** [July 29, 2024, 8:17pm UTC](https://community.sparkfun.com/t/dialog-ulp-wifi-da16200-r3-shield-factory-installed-firmware/47546 "2024-07-29T20:17:04Z")
I recently purchased the Dialog ULP WiFi DA16200 R3 Shield. Where can I download the factory installed firmware image and source code possibly the e2studio Project? Is this a Sparkfun created FW project or the standard R… --- ## [Sparkfun Rj45 magjack using](https://community.sparkfun.com/t/sparkfun-rj45-magjack-using/59423)
**Author:** [@Arseus](https://community.sparkfun.com/u/Arseus)\ **Replies:** 1\ **Last updated:** [July 16, 2024, 2:06pm UTC](https://community.sparkfun.com/t/sparkfun-rj45-magjack-using/59423 "2024-07-16T14:06:42Z")
Hi everyone, I’ve ordered sparkfun rj45 magjack breakout to connect teensy 4.1 to the Internet. However , I couldn’t understant how I can do that. Can you give me an idea about how I can connect teensy to the Internet w… --- ## [ALFA Network Wifi HaLow Hat - setup script not working?](https://community.sparkfun.com/t/alfa-network-wifi-halow-hat-setup-script-not-working/47494)
**Author:** [@cfernandezruns](https://community.sparkfun.com/u/cfernandezruns)\ **Replies:** 1\ **Last updated:** [May 30, 2024, 9:32pm UTC](https://community.sparkfun.com/t/alfa-network-wifi-halow-hat-setup-script-not-working/47494 "2024-05-30T21:32:49Z")
Hello, I recently purchased two RPi 4s and two WRL-19956 ALFA Network HaLow HATs to test out HaLow networking capabilities. I am following along with the Getting Started documentation https://docs.alfa.com.tw/Product/AH… --- ## [Uploading Certs onto the SparkFun DataLogger](https://community.sparkfun.com/t/uploading-certs-onto-the-sparkfun-datalogger/47420)
**Author:** [@JordanKam](https://community.sparkfun.com/u/JordanKam)\ **Replies:** 1\ **Last updated:** [May 16, 2024, 8:44pm UTC](https://community.sparkfun.com/t/uploading-certs-onto-the-sparkfun-datalogger/47420 "2024-05-16T20:44:04Z")
I have been having a lot of issues using the MQTT Secure Client configuration for the SparkFun 9DoF DataLogger after following the guide online. I have certification files that are secure with a ca, ca.crt, and key files… --- ## [Sparkfun Thing Plus - Mac Connection](https://community.sparkfun.com/t/sparkfun-thing-plus-mac-connection/47171)
**Author:** [@bfinke](https://community.sparkfun.com/u/bfinke)\ **Replies:** 1\ **Last updated:** [March 26, 2024, 6:29pm UTC](https://community.sparkfun.com/t/sparkfun-thing-plus-mac-connection/47171 "2024-03-26T18:29:32Z")
Hey guys, I’ve just started working with the Thing Plus and a 9DoF IMU. I’ve tried to code it, but my port always shows up as /dev/cu.Bluetooth-Incoming-Port and I can never find another port when trying to upload and ru… --- ## [SparkFun Thing Plus - Sending Sensor Data Over WiFi Issues](https://community.sparkfun.com/t/sparkfun-thing-plus-sending-sensor-data-over-wifi-issues/47087)
**Author:** [@gregoryp](https://community.sparkfun.com/u/gregoryp)\ **Replies:** 4\ **Last updated:** [March 11, 2024, 3:01am UTC](https://community.sparkfun.com/t/sparkfun-thing-plus-sending-sensor-data-over-wifi-issues/47087 "2024-03-11T03:01:24Z")
I’ve been trying to work with one of SparkFun’s tutorials: Sending Sensor Data Over WiFi Using the SparkFun Thing Plus - ESP32 WROOM (USB-C) Located at: https://learn.sparkfun.com/tutorials/se … -over-wifi With Ardu… --- ## [RTK Facet L-band wont connect to wifi- How do i reconfigure to different wift](https://community.sparkfun.com/t/rtk-facet-l-band-wont-connect-to-wifi-how-do-i-reconfigure-to-different-wift/46968)
**Author:** [@jwhit731](https://community.sparkfun.com/u/jwhit731)\ **Replies:** 2\ **Last updated:** [February 16, 2024, 2:55am UTC](https://community.sparkfun.com/t/rtk-facet-l-band-wont-connect-to-wifi-how-do-i-reconfigure-to-different-wift/46968 "2024-02-16T02:55:47Z")
Just got my Facet L band. Initially easy to go through steps. I got to the configuration step for wifi, and thought it went fine. But on restart the facet says “wifi connect” “no wifi”. I cannot get back to the configur… --- ## [Code uploading to Thing Plus - ESP32 WROOM (USB-C)](https://community.sparkfun.com/t/code-uploading-to-thing-plus-esp32-wroom-usb-c/46823)
**Author:** [@gregoryp](https://community.sparkfun.com/u/gregoryp)\ **Replies:** 2\ **Last updated:** [January 21, 2024, 2:48pm UTC](https://community.sparkfun.com/t/code-uploading-to-thing-plus-esp32-wroom-usb-c/46823 "2024-01-21T14:48:23Z")
I purchased two SparkFun Thing Plus - ESP32 WROOM (USB-C). One of them requires the boot button be pressed for the Arduino code to be uploaded after compiling. The other does not require this; the code just uploads aft… --- ## [u.fl antenna connections that don't snap together?](https://community.sparkfun.com/t/u-fl-antenna-connections-that-dont-snap-together/46821)
**Author:** [@FredTheFrog](https://community.sparkfun.com/u/FredTheFrog)\ **Replies:** 2\ **Last updated:** [January 20, 2024, 1:57am UTC](https://community.sparkfun.com/t/u-fl-antenna-connections-that-dont-snap-together/46821 "2024-01-20T01:57:09Z")
Recently purchased two Intel AX210 NGW m.2 WiFi boards, one was no problem to snap the coax cables onto the card’s u.fl connections 1 and 2. The second card was not nearly so cooperative, so I purchased the SparkFun tool… --- ## [ESP8266 WiFi Shield - SparkFun WRL-13287 software problem](https://community.sparkfun.com/t/esp8266-wifi-shield-sparkfun-wrl-13287-software-problem/46782)
**Author:** [@wguzik](https://community.sparkfun.com/u/wguzik)\ **Replies:** 3\ **Last updated:** [January 15, 2024, 8:37pm UTC](https://community.sparkfun.com/t/esp8266-wifi-shield-sparkfun-wrl-13287-software-problem/46782 "2024-01-15T20:37:36Z")
Hello, I have a problem with the SparkFun WiFi Shield - ESP8266 UART selector switch is set to “HW”, all the bits and bytes programmed in the Arduino were also transferred to the ESP8266 - false data put the ESP8266 in a… --- ## [DataLogger IOT 9DOF Problems with Thermocouple MCP9600](https://community.sparkfun.com/t/datalogger-iot-9dof-problems-with-thermocouple-mcp9600/46722)
**Author:** [@TheWyliestCoyote](https://community.sparkfun.com/u/TheWyliestCoyote)\ **Replies:** 3\ **Last updated:** [January 4, 2024, 11:03pm UTC](https://community.sparkfun.com/t/datalogger-iot-9dof-problems-with-thermocouple-mcp9600/46722 "2024-01-04T23:03:35Z")
I am trying to get the DataLogger IOT 9DoF logging temperature with the SparkFun Qwiic Thermocouple Amplifier - MCP9600 board. It seems that the DataLogger is not automatically detecting the board. I have tried resetting… --- ## [WIFI Connection Problem - RTK FACET GN RTK RECEIVER](https://community.sparkfun.com/t/wifi-connection-problem-rtk-facet-gn-rtk-receiver/46724)
**Author:** [@rrag\_17](https://community.sparkfun.com/u/rrag_17)\ **Replies:** 1\ **Last updated:** [January 4, 2024, 4:18pm UTC](https://community.sparkfun.com/t/wifi-connection-problem-rtk-facet-gn-rtk-receiver/46724 "2024-01-04T16:18:17Z")
Lately I have had a problem trying to connect my Base to my cell phone. 1.- I put my Base so that everything is positioned globally well up to that point. 2.- The problem is when I put it in CONFIG mode to be able to c… --- ## [SparkFun DataLogger IoT uploading data format](https://community.sparkfun.com/t/sparkfun-datalogger-iot-uploading-data-format/46704)
**Author:** [@jimk123](https://community.sparkfun.com/u/jimk123)\ **Replies:** 2\ **Last updated:** [January 4, 2024, 1:26am UTC](https://community.sparkfun.com/t/sparkfun-datalogger-iot-uploading-data-format/46704 "2024-01-04T01:26:49Z")
I bought this board https://www.sparkfun.com/products/20594 SparkFun DataLogger IoT with a SF TMP117 temp sensor plugged in the board. I am using the adafruit IO mqtt service. After configuring the parms for the mqtt ser… --- ## [Sending Sensor Data Over WiFi](https://community.sparkfun.com/t/sending-sensor-data-over-wifi/46643)
**Author:** [@PaulS15](https://community.sparkfun.com/u/PaulS15)\ **Replies:** 1\ **Last updated:** [December 16, 2023, 9:54pm UTC](https://community.sparkfun.com/t/sending-sensor-data-over-wifi/46643 "2023-12-16T21:54:20Z")
I have been unable to get this tutorial to work, and there’s something I’m confused about. The code compiles and runs. With the transmitting Thing Plus attached in the serial window I do see the environmental data, but … --- ## [IoT Environment Kit with Azure - Does not connect / Support docs is out of date/ copy/paste issues](https://community.sparkfun.com/t/iot-environment-kit-with-azure-does-not-connect-support-docs-is-out-of-date-copy-paste-issues/46616)
**Author:** [@joswald94123](https://community.sparkfun.com/u/joswald94123)\ **Replies:** 0\ **Last updated:** [December 11, 2023, 9:46pm UTC](https://community.sparkfun.com/t/iot-environment-kit-with-azure-does-not-connect-support-docs-is-out-of-date-copy-paste-issues/46616 "2023-12-11T21:46:35Z")
I followed all of the instructions. The one area that is different is the Root Cert file format. In the docs it expects a .PEM file. That no longer ecxists and it is now a .crt file. This may be why it fails to connect t… --- ## [Sparkfun DA16200 Thing Plus when connected via USB is showing only one COM port in device manager](https://community.sparkfun.com/t/sparkfun-da16200-thing-plus-when-connected-via-usb-is-showing-only-one-com-port-in-device-manager/46563)
**Author:** [@raji.raj](https://community.sparkfun.com/u/raji.raj)\ **Replies:** 1\ **Last updated:** [November 28, 2023, 12:21pm UTC](https://community.sparkfun.com/t/sparkfun-da16200-thing-plus-when-connected-via-usb-is-showing-only-one-com-port-in-device-manager/46563 "2023-11-28T12:21:44Z")
Hi I wanted to use the DA16200 Thing Plus to connect to the AWS and publish a topic using AT commands. From the manual, I understand that when the SOC is connected to the USB, 2 virtual COM ports will be available so t… --- ## [DA16200 flakey and unreliable - possible DOA](https://community.sparkfun.com/t/da16200-flakey-and-unreliable-possible-doa/44562)
**Author:** [@jeremybillheimer](https://community.sparkfun.com/u/jeremybillheimer)\ **Replies:** 2\ **Last updated:** [November 28, 2023, 11:07am UTC](https://community.sparkfun.com/t/da16200-flakey-and-unreliable-possible-doa/44562 "2023-11-28T11:07:28Z")
I have the DA16200 R3 Shield and have been struggling with the AT commands. Yesterday the serial port would sometimes respond, even as far as obtaining a wifi connection. However, most of the time the chip fails to respo… [Next page](https://community.sparkfun.com/c/wireless-iot/wifi/108.md?page=1)