# Development Boards

**URL:** https://community.sparkfun.com/c/development-boards/61.md?page=2

[Latest](https://community.sparkfun.com/latest.md) · [Categories](https://community.sparkfun.com/categories.md) · [Tags](https://community.sparkfun.com/tags.md)

**Page:** 3

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## [Mbed (Giga R1) USB HID FFB (PID) Report Descriptor Help](https://community.sparkfun.com/t/mbed-giga-r1-usb-hid-ffb-pid-report-descriptor-help/68435)

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**Author:** [@Gameqzi](https://community.sparkfun.com/u/Gameqzi)\
**Replies:** 1\
**Last updated:** [March 30, 2026, 1:24pm UTC](https://community.sparkfun.com/t/mbed-giga-r1-usb-hid-ffb-pid-report-descriptor-help/68435 "2026-03-30T13:24:15Z")

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I am currently developing a custom Giga R1 WiFi racing sim project for BeamNG.drive. Currently, my joystick inputs are fully functional and responding correctly, but I am having significant difficulties implementing Forc…

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## [Faulty Ardunio Board - Code not being able to upload via Arduino IDE or MatLab](https://community.sparkfun.com/t/faulty-ardunio-board-code-not-being-able-to-upload-via-arduino-ide-or-matlab/68318)

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**Author:** [@Stephanie\_Lee](https://community.sparkfun.com/u/Stephanie_Lee)\
**Replies:** 5\
**Last updated:** [March 27, 2026, 9:34am UTC](https://community.sparkfun.com/t/faulty-ardunio-board-code-not-being-able-to-upload-via-arduino-ide-or-matlab/68318 "2026-03-27T09:34:58Z")

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I recently purchased the SparkFun Ardumoto Shield Kit and I’m having some issues with uploading my scripts to my Arduino Uno. I think it may be because the bootloader is faulty. Here’s a list of things that I tried so fa…

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## [MicroMod Mainboard Single with PoE - too much current on LiPo charger](https://community.sparkfun.com/t/micromod-mainboard-single-with-poe-too-much-current-on-lipo-charger/68405)

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**Author:** [@michaelheiml82](https://community.sparkfun.com/u/michaelheiml82)\
**Replies:** 1\
**Last updated:** [March 26, 2026, 10:15am UTC](https://community.sparkfun.com/t/micromod-mainboard-single-with-poe-too-much-current-on-lipo-charger/68405 "2026-03-26T10:15:43Z")

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Hi, as we use the Mainboard Single along with the (discontinued) PoE extension board - we noticed an issue in the mainboard design and like to share that with you, so in case you want to update the mainboard: When the …

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## [Using BLE with CircuitPython on Thing Plus RP2350](https://community.sparkfun.com/t/using-ble-with-circuitpython-on-thing-plus-rp2350/68153)

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**Author:** [@roens](https://community.sparkfun.com/u/roens)\
**Replies:** 4\
**Last updated:** [March 25, 2026, 6:28am UTC](https://community.sparkfun.com/t/using-ble-with-circuitpython-on-thing-plus-rp2350/68153 "2026-03-25T06:28:56Z")

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I’ve got a project that the TP RP2350 seems like a great fit. But I was hoping to use BLE for interactivity from my phone, and I’ve been unable to even get a BLE advertisement running to then connect to the board from my…

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## [Question about using USB-C Host Shield (MAX3421E) with 1.8V SPI host](https://community.sparkfun.com/t/question-about-using-usb-c-host-shield-max3421e-with-1-8v-spi-host/68364)

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**Author:** [@Shawn1](https://community.sparkfun.com/u/Shawn1)\
**Replies:** 3\
**Last updated:** [March 21, 2026, 12:01am UTC](https://community.sparkfun.com/t/question-about-using-usb-c-host-shield-max3421e-with-1-8v-spi-host/68364 "2026-03-21T00:01:01Z")

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I am using SparkFun USB-C Host Shield (MAX3421E), and I would like to interface it with a SoC that only supports 1.8V SPI and GPIO. I understand that on your board: - MAX3421E VCC and VL are both set to 3.3V - SPI/con…

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## [Micromod Teensy with Segger Jlink Edu Mini](https://community.sparkfun.com/t/micromod-teensy-with-segger-jlink-edu-mini/68349)

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**Author:** [@jerryk1](https://community.sparkfun.com/u/jerryk1)\
**Replies:** 4\
**Last updated:** [March 20, 2026, 5:56am UTC](https://community.sparkfun.com/t/micromod-teensy-with-segger-jlink-edu-mini/68349 "2026-03-20T05:56:10Z")

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Hello! I just obtained a micromod ATP carrier board and a Teensy processor card. I have a fair amount of experience programming the Teensy in its original form factor. I was excited to see the micromod for one reason:…

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## [Teensy 4.0 programming button defective](https://community.sparkfun.com/t/teensy-4-0-programming-button-defective/68348)

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**Author:** [@jlkohne](https://community.sparkfun.com/u/jlkohne)\
**Replies:** 2\
**Last updated:** [March 19, 2026, 11:19am UTC](https://community.sparkfun.com/t/teensy-4-0-programming-button-defective/68348 "2026-03-19T11:19:12Z")

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Bought several Teensy 4.0’s and about 10% had a defective Program Pushbuttons. Is there a return/repair process?

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## [I2C Screen LCD doesnt work on SparkFun LoRa Thing Plus expLoRaBLE](https://community.sparkfun.com/t/i2c-screen-lcd-doesnt-work-on-sparkfun-lora-thing-plus-explorable/68319)

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**Author:** [@RabbitLoco](https://community.sparkfun.com/u/RabbitLoco)\
**Replies:** 3\
**Last updated:** [March 16, 2026, 5:53pm UTC](https://community.sparkfun.com/t/i2c-screen-lcd-doesnt-work-on-sparkfun-lora-thing-plus-explorable/68319 "2026-03-16T17:53:55Z")

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Hi Someone please help, I’m trying to use a 20x4 I2C LCD with my SparkFun LoRa Thing Plus expLoRaBLE. The screen works perfectly when I connect it to my Arduino Nano ESP32, but when I connect it to the LoRa Thing Plus th…

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## [MicroMod Mainboard Single EOL?](https://community.sparkfun.com/t/micromod-mainboard-single-eol/68174)

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**Author:** [@michaelheiml82](https://community.sparkfun.com/u/michaelheiml82)\
**Replies:** 4\
**Last updated:** [March 16, 2026, 8:47am UTC](https://community.sparkfun.com/t/micromod-mainboard-single-eol/68174 "2026-03-16T08:47:08Z")

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Hi there, I am starting another project built around Sparkfun MicroMod Mainboard Single + ESP32 + VR IMU + PoE Ethernet - and was wondering, if and/or when the mainboard itself is planned to reach EOL status? I am aski…

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## [SparkFun IoT Brushless Motor Driver - Motor not moving](https://community.sparkfun.com/t/sparkfun-iot-brushless-motor-driver-motor-not-moving/68284)

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**Author:** [@inhibi116](https://community.sparkfun.com/u/inhibi116)\
**Replies:** 4\
**Last updated:** [March 15, 2026, 12:29am UTC](https://community.sparkfun.com/t/sparkfun-iot-brushless-motor-driver-motor-not-moving/68284 "2026-03-15T00:29:49Z")

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Motor doesnt move. I havent changed the code in anyway, shape or form. That is the “factory reset” code. Serial monitor shows the “Starting motor” “stopping motor” but motor doesnt move and is cold to the touch. Ive tri…

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## [TFT LCD Breakout 1.8in 128x160](https://community.sparkfun.com/t/tft-lcd-breakout-1-8in-128x160/68132)

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**Author:** [@CAVU](https://community.sparkfun.com/u/CAVU)\
**Replies:** 7\
**Last updated:** [March 14, 2026, 2:47pm UTC](https://community.sparkfun.com/t/tft-lcd-breakout-1-8in-128x160/68132 "2026-03-14T14:47:16Z")

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Has anyone been able to get the TFT LCD Breakout 1.8in 128x160 to work in the last few years. It is still being sold by Sparkfun but the comments have ended in 2020. I’ve confirmed wiring, no luck with AI writing even th…

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## [Raspberry Pi Pico Stepper Controller](https://community.sparkfun.com/t/raspberry-pi-pico-stepper-controller/68309)

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**Author:** [@eva\_402](https://community.sparkfun.com/u/eva_402)\
**Replies:** 2\
**Last updated:** [March 14, 2026, 1:08pm UTC](https://community.sparkfun.com/t/raspberry-pi-pico-stepper-controller/68309 "2026-03-14T13:08:44Z")

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Hi.. new here.. I’m using raspberry pi pico to drive 2 stepper motors with drv8825… everything works on breadboard.. but when both motors move fast at same time, pico resets randomly… i tried adding extra caps and slower…

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## [Serial enabled LCD kit (10097)](https://community.sparkfun.com/t/serial-enabled-lcd-kit-10097/68255)

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**Author:** [@Justplanejim](https://community.sparkfun.com/u/Justplanejim)\
**Replies:** 2\
**Last updated:** [March 8, 2026, 8:31am UTC](https://community.sparkfun.com/t/serial-enabled-lcd-kit-10097/68255 "2026-03-08T08:31:24Z")

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HI, I am trying to figure out if my LED backlight has failed or if I did something wrong with my programming. I was working through some serial communication mistakes I had made, and when I updated the sketch one time,…

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## [WS2812FX Library Example](https://community.sparkfun.com/t/ws2812fx-library-example/68254)

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**Author:** [@skyfly200](https://community.sparkfun.com/u/skyfly200)\
**Replies:** 0\
**Last updated:** [March 7, 2026, 4:16pm UTC](https://community.sparkfun.com/t/ws2812fx-library-example/68254 "2026-03-07T16:16:35Z")

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I just put this together for anyone who is trying to use some addressable LEDs with their Artemis without blocking everything else from running (BLE, Audio FFT…) Here is the example sketch!

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## [Artemis Digital IO not working - plus BLE GATT](https://community.sparkfun.com/t/artemis-digital-io-not-working-plus-ble-gatt/37811)

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**Author:** [@skyfly200](https://community.sparkfun.com/u/skyfly200)\
**Replies:** 13\
**Last updated:** [March 7, 2026, 4:13pm UTC](https://community.sparkfun.com/t/artemis-digital-io-not-working-plus-ble-gatt/37811 "2026-03-07T16:13:19Z")

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I recently purchased an Artemis nano for the next prototype of a system I am designing. I have had a few issues and questions in my process getting my application to work on the board. I am trying to run a few addressa…

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## [Artemis 3D Design File](https://community.sparkfun.com/t/artemis-3d-design-file/40184)

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**Author:** [@adam.g](https://community.sparkfun.com/u/adam.g)\
**Replies:** 8\
**Last updated:** [March 7, 2026, 3:03pm UTC](https://community.sparkfun.com/t/artemis-3d-design-file/40184 "2026-03-07T15:03:04Z")

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Hey guys, Does a 3D design file exist for the SparkFun Artemis? It would be great to be able to bring the Artemis boards into Autodesk Fusion 360. It also looks like the 3D Models repository on GitHub hasn’t been updat…

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## [Arduino IOT Weather Board needs a repair](https://community.sparkfun.com/t/arduino-iot-weather-board-needs-a-repair/68188)

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**Author:** [@Rudd\_van\_Deventer](https://community.sparkfun.com/u/Rudd_van_Deventer)\
**Replies:** 4\
**Last updated:** [March 7, 2026, 8:48am UTC](https://community.sparkfun.com/t/arduino-iot-weather-board-needs-a-repair/68188 "2026-03-07T08:48:45Z")

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Hi, I am looking for some idea/support to repair the carrier board after I reversed the polarity while preparing a weatherproof case for it. A little puff of smoke and that’s it! sniff Is a replacement board available…

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## [Teensy 4.1 not responding, blinking 4 times, and cannot reset](https://community.sparkfun.com/t/teensy-4-1-not-responding-blinking-4-times-and-cannot-reset/68237)

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**Author:** [@Pok\_Woo](https://community.sparkfun.com/u/Pok_Woo)\
**Replies:** 3\
**Last updated:** [March 7, 2026, 7:11am UTC](https://community.sparkfun.com/t/teensy-4-1-not-responding-blinking-4-times-and-cannot-reset/68237 "2026-03-07T07:11:29Z")

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I am totally new to hardware coding and stuff, this is my first time buying and using a board. My Teensy 4.1 (with headers, no ethernet) arrived few days ago and I plug it on my PC for the time yesterday. At first, the …

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## [Artemis Module or MicroMod Processor Board: Is Apollo3 ERR029 hardware workaround (VDDF↔VDDP/VDDH capacitor) implemented?](https://community.sparkfun.com/t/artemis-module-or-micromod-processor-board-is-apollo3-err029-hardware-workaround-vddf-vddp-vddh-capacitor-implemented/68140)

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**Author:** [@MG1](https://community.sparkfun.com/u/MG1)\
**Replies:** 6\
**Last updated:** [March 3, 2026, 1:56am UTC](https://community.sparkfun.com/t/artemis-module-or-micromod-processor-board-is-apollo3-err029-hardware-workaround-vddf-vddp-vddh-capacitor-implemented/68140 "2026-03-03T01:56:24Z")

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Hi, I’m using the SparkFun MicroMod Artemis Processor Board on a custom carrier and I’m checking the Apollo3 Blue errata regarding power-up ramp behavior. According to Apollo3 Blue Errata ERR029 (“Flash: Bit flip due t…

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## [ESP32-S3 Thing Plus and Platformio configuration](https://community.sparkfun.com/t/esp32-s3-thing-plus-and-platformio-configuration/68201)

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**Author:** [@Steven\_Bird](https://community.sparkfun.com/u/Steven_Bird)\
**Replies:** 1\
**Last updated:** [March 2, 2026, 12:50pm UTC](https://community.sparkfun.com/t/esp32-s3-thing-plus-and-platformio-configuration/68201 "2026-03-02T12:50:02Z")

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This board is poorly supported so here’s my give back after much pain. When setting up this board in the Arduion IDE, I had to take a guess at what board config to use. I finally found one. The real hurdle came as I m…

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## [General Guidance on OLA Recording Speed Optimization](https://community.sparkfun.com/t/general-guidance-on-ola-recording-speed-optimization/67743)

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**Author:** [@Sam\_Shartzer](https://community.sparkfun.com/u/Sam_Shartzer)\
**Replies:** 6\
**Last updated:** [February 28, 2026, 6:50pm UTC](https://community.sparkfun.com/t/general-guidance-on-ola-recording-speed-optimization/67743 "2026-02-28T18:50:18Z")

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I see a few specific posts on this but looking for general guidance, or at least some things to test. I was hoping to get 500Hz from my OLA with the following sensors: NEO-M9N GPS ADS1015 analog input card Qwiic butto…

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## [New Raspberry Pi's without Bootloaders?](https://community.sparkfun.com/t/new-raspberry-pis-without-bootloaders/68172)

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**Author:** [@Digital\_Naturalism\_Laboratorie](https://community.sparkfun.com/u/Digital_Naturalism_Laboratorie)\
**Replies:** 1\
**Last updated:** [February 26, 2026, 12:31pm UTC](https://community.sparkfun.com/t/new-raspberry-pis-without-bootloaders/68172 "2026-02-26T12:31:18Z")

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Hi! I have ordered ~ 15 rpi 5, 4gb from you all recently, and something seemed odd. We usually load a custom raspberry pi image onto an SD card, pop them in to new RPI5s and then they just run but with all 15 of the ne…

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## [Where is the pinout map for the Think Plus ESP32-S3?](https://community.sparkfun.com/t/where-is-the-pinout-map-for-the-think-plus-esp32-s3/68124)

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**Author:** [@sparkfun\_user](https://community.sparkfun.com/u/sparkfun_user)\
**Replies:** 1\
**Last updated:** [February 20, 2026, 3:59pm UTC](https://community.sparkfun.com/t/where-is-the-pinout-map-for-the-think-plus-esp32-s3/68124 "2026-02-20T15:59:01Z")

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Hello, I cannot find the pinout map in the Hardware Overview. Introduction - SparkFun Thing Plus - ESP32-S3 By searching (BTW I hate google), I only found “SparkFun ESP32 Thing Plus (WRL-15663)” pinout map ESP32 Thing…

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## [Where are docs describing pins for the SparkFun IoT RedBoard - ESP32](https://community.sparkfun.com/t/where-are-docs-describing-pins-for-the-sparkfun-iot-redboard-esp32/68084)

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**Author:** [@benjamingslade](https://community.sparkfun.com/u/benjamingslade)\
**Replies:** 1\
**Last updated:** [February 18, 2026, 5:37pm UTC](https://community.sparkfun.com/t/where-are-docs-describing-pins-for-the-sparkfun-iot-redboard-esp32/68084 "2026-02-18T17:37:30Z")

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Forgive my newbiness. For the SparkFun IoT RedBoard - ESP32, where is the documentation describing each of the pins. I found the schematic on that web page. But, for example, when the schematic lists pin 5 on connect…

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## [Secure Smart Card interface](https://community.sparkfun.com/t/secure-smart-card-interface/68083)

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**Author:** [@M3diumKahuna](https://community.sparkfun.com/u/M3diumKahuna)\
**Replies:** 1\
**Last updated:** [February 17, 2026, 8:10pm UTC](https://community.sparkfun.com/t/secure-smart-card-interface/68083 "2026-02-17T20:10:29Z")

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RedBoard Artemis ATP says it has a Secure Smart Card interface in features list. But I can’t find any other mention of it and its not in the schematic. Does anyone know anything about it? I would like to hook up a Smart …

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## [Question Before Purchase – MyoWare Wireless Sensor Compatibility](https://community.sparkfun.com/t/question-before-purchase-myoware-wireless-sensor-compatibility/68081)

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**Author:** [@elhot](https://community.sparkfun.com/u/elhot)\
**Replies:** 1\
**Last updated:** [February 17, 2026, 9:32am UTC](https://community.sparkfun.com/t/question-before-purchase-myoware-wireless-sensor-compatibility/68081 "2026-02-17T09:32:59Z")

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Hello, I hope you are doing well. I am interested in purchasing the MyoWare Wireless Sensor from your store, but I would like to clarify a few technical points before proceeding. Does the MyoWare Wireless Sensor requi…

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## [Example I2C Simple Measurements for MMC5983MA magnetometer](https://community.sparkfun.com/t/example-i2c-simple-measurements-for-mmc5983ma-magnetometer/67965)

<div class="topic-metadata">

**Author:** [@alejandro.allievi](https://community.sparkfun.com/u/alejandro.allievi)\
**Replies:** 17\
**Last updated:** [February 17, 2026, 6:11am UTC](https://community.sparkfun.com/t/example-i2c-simple-measurements-for-mmc5983ma-magnetometer/67965 "2026-02-17T06:11:29Z")

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I am running Example I2C Simple Measurements for the MMC5983MA magnetometer. The axes drawn on the magnetometer show X along the longer side of the magnetometer, Y along the shorter side of the magnetometer and Z normal …

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## [Issues writing to NVS on ESP32 WROOM when WiFi enabled](https://community.sparkfun.com/t/issues-writing-to-nvs-on-esp32-wroom-when-wifi-enabled/68052)

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**Author:** [@Dan\_Murray](https://community.sparkfun.com/u/Dan_Murray)\
**Replies:** 4\
**Last updated:** [February 13, 2026, 2:33pm UTC](https://community.sparkfun.com/t/issues-writing-to-nvs-on-esp32-wroom-when-wifi-enabled/68052 "2026-02-13T14:33:41Z")

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I’ve run into an unusual issue with my ESP32 WROOM board. I can read and write to the NVS (Non Volatile Storage) when WiFi isn’t enabled, but as soon as WiFi get enabled, I can no longer write to the NVS. It seems there …

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## [Adding Serial Port to SAMD21 mini](https://community.sparkfun.com/t/adding-serial-port-to-samd21-mini/68034)

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**Author:** [@Taintedsushi](https://community.sparkfun.com/u/Taintedsushi)\
**Replies:** 1\
**Last updated:** [February 11, 2026, 2:02pm UTC](https://community.sparkfun.com/t/adding-serial-port-to-samd21-mini/68034 "2026-02-11T14:02:37Z")

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I’m trying to setup a HW serial on pins 2 and 3 on the SAMD21 mini by following this guide : but compiling the code give me these errors : .pio/build/sparkfun\_samd21\_mini\_usb/libFrameworkArduinoVariant.a(variant.cp…

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## [Conflict between SDIO SD Card and I2C device](https://community.sparkfun.com/t/conflict-between-sdio-sd-card-and-i2c-device/68003)

<div class="topic-metadata">

**Author:** [@sparkfun\_user](https://community.sparkfun.com/u/sparkfun_user)\
**Replies:** 14\
**Last updated:** [February 8, 2026, 8:36pm UTC](https://community.sparkfun.com/t/conflict-between-sdio-sd-card-and-i2c-device/68003 "2026-02-08T20:36:02Z")

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Hello, from the schematic for ESP32-S3 Think Plus, a set of pins have been assigned for the SDIO 4-bit SD card. According to the diagram, I have: int clk = 38; int cmd = 34; int d0 = 39; int d1 = 40; int d2 = 47; i…

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