# \#p1

**URL:** https://community.particle.io/tag/p1/21.md

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

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## [Device Performance Degradation with Recent Builds](https://community.particle.io/t/device-performance-degradation-with-recent-builds/69516)

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**Author:** [@marko](https://community.particle.io/u/marko)\
**Replies:** 6\
**Last updated:** [May 21, 2025, 7:01pm UTC](https://community.particle.io/t/device-performance-degradation-with-recent-builds/69516 "2025-05-21T19:01:43Z")

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Issue Description I'm experiencing significant performance degradation with builds created recently compared to builds from mid-April. The LCD rendering is noticeably slower, and the binary size has increased from 125KB…

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## [How to make provisioning Wi-Fi for Photon/P1 device in flutter without integrate SDK?](https://community.particle.io/t/how-to-make-provisioning-wi-fi-for-photon-p1-device-in-flutter-without-integrate-sdk/69462)

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**Author:** [@Vrajesh](https://community.particle.io/u/Vrajesh)\
**Replies:** 1\
**Last updated:** [April 30, 2025, 2:41pm UTC](https://community.particle.io/t/how-to-make-provisioning-wi-fi-for-photon-p1-device-in-flutter-without-integrate-sdk/69462 "2025-04-30T14:41:04Z")

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Hello everyone, I have tried many times wifi provisioning for P1 device in flutter using SoftAp but I have getting issue in sending wifi credential with encrypted password and also I have used different encryption metho…

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## [Debugging AssertionFailure panics... deviceos 3.3.1](https://community.particle.io/t/debugging-assertionfailure-panics-deviceos-3-3-1/69090)

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**Author:** [@boddeke](https://community.particle.io/u/boddeke)\
**Replies:** 3\
**Last updated:** [February 6, 2025, 8:15am UTC](https://community.particle.io/t/debugging-assertionfailure-panics-deviceos-3-3-1/69090 "2025-02-06T08:15:42Z")

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hello, in some situations on some of our p1 devices we sometime get lots of panic (10) restarts. in an old post i read: At the moment, all of the AssertionFailures are in things related to threads and the system threa…

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## [Issues compiling locally and on the cloud](https://community.particle.io/t/issues-compiling-locally-and-on-the-cloud/64759)

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**Author:** [@Theja](https://community.particle.io/u/Theja)\
**Replies:** 6\
**Last updated:** [June 21, 2023, 2:56pm UTC](https://community.particle.io/t/issues-compiling-locally-and-on-the-cloud/64759 "2023-06-21T14:56:18Z")

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Hello, We have been actively developing our systems using the P1, initially with DeviceOS v2.0.0 until last week, and recently switched to DeviceOS v3.3.1. Unfortunately, today we encountered a sudden problem where we w…

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## [P1 goes Offline with Loop Error 1 or Loop Error 24 after fast reading multiple Particle.variables quickly](https://community.particle.io/t/p1-goes-offline-with-loop-error-1-or-loop-error-24-after-fast-reading-multiple-particle-variables-quickly/64172)

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**Author:** [@Bluefalcon](https://community.particle.io/u/Bluefalcon)\
**Replies:** 2\
**Last updated:** [March 14, 2023, 11:10am UTC](https://community.particle.io/t/p1-goes-offline-with-loop-error-1-or-loop-error-24-after-fast-reading-multiple-particle-variables-quickly/64172 "2023-03-14T11:10:14Z")

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Hi, I am running OS firmware version 3.3.1 on P1. Recently we have encountered an issue where the P1 goes offline after fast reading multiple Particle.variable() - calculated - after reading about 6 variables in quick s…

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## [Logging in setup() not working](https://community.particle.io/t/logging-in-setup-not-working/63079)

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**Author:** [@Reindeer](https://community.particle.io/u/Reindeer)\
**Replies:** 1\
**Last updated:** [August 31, 2022, 7:01pm UTC](https://community.particle.io/t/logging-in-setup-not-working/63079 "2022-08-31T19:01:00Z")

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I am wondering why I am seeing the following behaviour using SerialLogHandler with a P1 device, deviceOS 3.3.0. I want to explicitly start my cloud connection in loop(), and hence use Semi-automatic mode. However, I am d…

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## [CloudSDK login from ViewModel fails](https://community.particle.io/t/cloudsdk-login-from-viewmodel-fails/62753)

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**Author:** [@Reindeer](https://community.particle.io/u/Reindeer)\
**Replies:** 4\
**Last updated:** [June 16, 2022, 7:25pm UTC](https://community.particle.io/t/cloudsdk-login-from-viewmodel-fails/62753 "2022-06-16T19:25:41Z")

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I get Unknown error communicating with server when trying to log in from the ViewModel, using a coroutine. A brief description of the scenario: ParticleCloudSDK.init(this) is called in the MainActivity AndroidManifes…

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## [Particle P1 SPI CS and SPI1 CS pins issue](https://community.particle.io/t/particle-p1-spi-cs-and-spi1-cs-pins-issue/62208)

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**Author:** [@Theja](https://community.particle.io/u/Theja)\
**Replies:** 3\
**Last updated:** [March 12, 2022, 9:22pm UTC](https://community.particle.io/t/particle-p1-spi-cs-and-spi1-cs-pins-issue/62208 "2022-03-12T21:22:25Z")

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Hi, I am using a P1 to communicate to multiple peripherals using the SPI busses available (SPI and SPI1). SPI1 (slower SPI) is connected to two peripherals: FRAM CS pin = P1S5 (PC1) Temperature ADC CS pin = A2 (PC2) …

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## [After claiming webhooks are not always passed to our server](https://community.particle.io/t/after-claiming-webhooks-are-not-always-passed-to-our-server/60694)

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**Author:** [@swallage](https://community.particle.io/u/swallage)\
**Replies:** 5\
**Last updated:** [July 14, 2021, 9:11am UTC](https://community.particle.io/t/after-claiming-webhooks-are-not-always-passed-to-our-server/60694 "2021-07-14T09:11:29Z")

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Hi people, We have been working hard to get our app and server reliably working with Photon P1 and use a claiming process that always works. We follow this sequence of steps: Photon P1 is in SoftAP mode Our app sends …

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## [Buying P1 modules](https://community.particle.io/t/buying-p1-modules/59472)

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**Author:** [@michaelz](https://community.particle.io/u/michaelz)\
**Replies:** 8\
**Last updated:** [June 22, 2021, 11:51am UTC](https://community.particle.io/t/buying-p1-modules/59472 "2021-06-22T11:51:31Z")

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Hey my fellow community friends, We are a small start up in Canada. We developed an IoT product based on Particle P1 module. The product is used for assistive technology for long term care facilities. The product is get…

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## [Quarantine Auto-Accept Setting Not Working](https://community.particle.io/t/quarantine-auto-accept-setting-not-working/60107)

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**Author:** [@osmosys](https://community.particle.io/u/osmosys)\
**Replies:** 2\
**Last updated:** [April 21, 2021, 11:24am UTC](https://community.particle.io/t/quarantine-auto-accept-setting-not-working/60107 "2021-04-21T11:24:09Z")

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We have a product created and we weren’t able to obtain the Device IDs in advance for our PCBs (new supplier next time!), so we are forced to use auto-accept. However, for some reason, since lately, boards that have our …

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## [WiFi/Cloud connection errors](https://community.particle.io/t/wifi-cloud-connection-errors/59504)

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**Author:** [@mjames](https://community.particle.io/u/mjames)\
**Replies:** 4\
**Last updated:** [April 10, 2021, 11:26pm UTC](https://community.particle.io/t/wifi-cloud-connection-errors/59504 "2021-04-10T23:26:10Z")

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I’m trying to diagnose the reason a unit is having trouble connecting to an AP and maintaining that connection. In the log obtained from the console site, I see a number device.network.connection.error of 1006 and 1062 w…

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## [All Retained Variables change their address in memory when new ones are added to the end of the list](https://community.particle.io/t/all-retained-variables-change-their-address-in-memory-when-new-ones-are-added-to-the-end-of-the-list/59618)

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**Author:** [@Vladek9921](https://community.particle.io/u/Vladek9921)\
**Replies:** 8\
**Last updated:** [March 10, 2021, 6:40pm UTC](https://community.particle.io/t/all-retained-variables-change-their-address-in-memory-when-new-ones-are-added-to-the-end-of-the-list/59618 "2021-03-10T18:40:37Z")

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Device: P1 Device OS: 2.0.1 On the first version of the my firmware, I had a list of retained variables that are simply declared. Not in the class and not in the structure. In (Picture 1), shown the physical memory ad…

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## [Using Products for Different Hardware Revs?](https://community.particle.io/t/using-products-for-different-hardware-revs/59032)

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**Author:** [@osmosys](https://community.particle.io/u/osmosys)\
**Replies:** 2\
**Last updated:** [January 12, 2021, 2:47pm UTC](https://community.particle.io/t/using-products-for-different-hardware-revs/59032 "2021-01-12T14:47:28Z")

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We’re building a PCB board based on the P1. Our V1 board was wired slightly differently in terms of IO than our V1.1 and we’re wondering if in order to move forward with firmware updates if it makes more sense to separat…

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## [Retained variables are reset after adding a new one](https://community.particle.io/t/retained-variables-are-reset-after-adding-a-new-one/58847)

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**Author:** [@Vladek9921](https://community.particle.io/u/Vladek9921)\
**Replies:** 3\
**Last updated:** [December 20, 2020, 5:12pm UTC](https://community.particle.io/t/retained-variables-are-reset-after-adding-a-new-one/58847 "2020-12-20T17:12:36Z")

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Greetings. The reference for P1 says the following: "When adding new retained variables to an existing set of retained variables, it's a good idea to add them after the existing variables. this ensures the existing ret…

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## [Hard Fault on Custom PCB](https://community.particle.io/t/hard-fault-on-custom-pcb/57663)

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**Author:** [@M0\_R1.0A](https://community.particle.io/u/M0_R1.0A)\
**Replies:** 17\
**Last updated:** [November 10, 2020, 10:46am UTC](https://community.particle.io/t/hard-fault-on-custom-pcb/57663 "2020-11-10T10:46:18Z")

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Hello :smiley: I've made a custom PCB that has a particle P1. After putting one together with no custom firmware I was getting the blink codes for a hard fault. Now I'm trying to narrow down the issue and determine what…

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## [SOS when WiFi without Internet](https://community.particle.io/t/sos-when-wifi-without-internet/58229)

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**Author:** [@Vladek9921](https://community.particle.io/u/Vladek9921)\
**Replies:** 4\
**Last updated:** [October 28, 2020, 2:39pm UTC](https://community.particle.io/t/sos-when-wifi-without-internet/58229 "2020-10-28T14:39:23Z")

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I took P1 and cleared its memory via ST-link (since I changed a lot of system functions before : CodeSYSTEM\_MODE(SEMI\_AUTOMATIC); SYSTEM\_THREAD(ENABLED); STARTUP(System.enableFeature(FEATURE\_RETAINED\_MEMORY)); STARTU…

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## [Particle P1 not entering Listening Mode](https://community.particle.io/t/particle-p1-not-entering-listening-mode/57938)

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**Author:** [@muneebr1](https://community.particle.io/u/muneebr1)\
**Replies:** 8\
**Last updated:** [October 4, 2020, 12:22pm UTC](https://community.particle.io/t/particle-p1-not-entering-listening-mode/57938 "2020-10-04T12:22:36Z")

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Hello All, Ive recently been working on my own design for Particle P1, and was able to get it work. However, when i soldered the second board i have the issue that i am not able to get it into listening mode, same thing…

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## [Assigning static IP for photon in listening mode](https://community.particle.io/t/assigning-static-ip-for-photon-in-listening-mode/57628)

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**Author:** [@paul300](https://community.particle.io/u/paul300)\
**Replies:** 12\
**Last updated:** [September 21, 2020, 11:31pm UTC](https://community.particle.io/t/assigning-static-ip-for-photon-in-listening-mode/57628 "2020-09-21T23:31:12Z")

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Hi, my ultimate goal is to have two photon boards to communicate with each other wirelessly, without the use of any other devices other than the two boards (e.g. no external AP). My approach is to connect photon 1 to ph…

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## [How To Send GET Request to Photon SoftAP HTTP Server Using A Photon TCP Client](https://community.particle.io/t/how-to-send-get-request-to-photon-softap-http-server-using-a-photon-tcp-client/57798)

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**Author:** [@paul300](https://community.particle.io/u/paul300)\
**Replies:** 0\
**Last updated:** [September 22, 2020, 12:43am UTC](https://community.particle.io/t/how-to-send-get-request-to-photon-softap-http-server-using-a-photon-tcp-client/57798 "2020-09-22T00:43:00Z")

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Hi, I am trying to send a GET request using a photon TCP client to a photon SoftAP HTTP server, given the client is connected to the server’s SoftAP. I could perform the GET request successfully using my browser, but I c…

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## [Urgent: how to update device os in the factory](https://community.particle.io/t/urgent-how-to-update-device-os-in-the-factory/56972)

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**Author:** [@boddeke](https://community.particle.io/u/boddeke)\
**Replies:** 0\
**Last updated:** [July 13, 2020, 10:01am UTC](https://community.particle.io/t/urgent-how-to-update-device-os-in-the-factory/56972 "2020-07-13T10:01:16Z")

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still figuring out how to flash/upgrade p1 device in the factory we need something that works for any p1 (device os) we might get from particle very limited success with swd. better luck with usb - but still not confid…

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## [E-Paper Dev Kit Based on the P1Module](https://community.particle.io/t/e-paper-dev-kit-based-on-the-p1module/55889)

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**Author:** [@sidwarkd](https://community.particle.io/u/sidwarkd)\
**Replies:** 1\
**Last updated:** [April 28, 2020, 5:15pm UTC](https://community.particle.io/t/e-paper-dev-kit-based-on-the-p1module/55889 "2020-04-28T17:15:18Z")

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Hey Particle Community, just wanted to share a project that may be useful to anyone looking to develop with the P1 module. I created a product based on the P1 and, after a hardware revision, have some of the old boards a…

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## [How to push larger amount of data to the device?](https://community.particle.io/t/how-to-push-larger-amount-of-data-to-the-device/55336)

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**Author:** [@brahma-dev](https://community.particle.io/u/brahma-dev)\
**Replies:** 4\
**Last updated:** [March 26, 2020, 5:35pm UTC](https://community.particle.io/t/how-to-push-larger-amount-of-data-to-the-device/55336 "2020-03-26T17:35:37Z")

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Particle.function can be used to send upto 622 characters. But, how do I send something more, like a few kilobytes? Are there any established “best practices” to do that ? Or is pulling data using something like TCPClien…

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## [DeviceOS 1.5.0-rc.1 - SoftAP using SDCARD - problem](https://community.particle.io/t/deviceos-1-5-0-rc-1-softap-using-sdcard-problem/54656)

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**Author:** [@UMD](https://community.particle.io/u/UMD)\
**Replies:** 3\
**Last updated:** [February 12, 2020, 12:18pm UTC](https://community.particle.io/t/deviceos-1-5-0-rc-1-softap-using-sdcard-problem/54656 "2020-02-12T12:18:12Z")

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@avtolstoy unfortunately need to inform you that I picked up another breaking change from DeviceOS 1.4.4 to 1.5.0-rc.1. The issue is that due to code size constraints, I have had to shift the SoftAP “website’s” html, c…
