# Notecard API **URL:** https://discuss.blues.com/c/notecard-api/12.md?page=1 [Latest](https://discuss.blues.com/latest.md) · [Categories](https://discuss.blues.com/categories.md) · [Tags](https://discuss.blues.com/tags.md) **Page:** 2 --- ## [Minimum "external" GPS sentences](https://discuss.blues.com/t/minimum-external-gps-sentences/3123)
**Author:** [@richf](https://discuss.blues.com/u/richf)\ **Replies:** 3\ **Last updated:** [July 1, 2025, 12:42pm UTC](https://discuss.blues.com/t/minimum-external-gps-sentences/3123 "2025-07-01T12:42:05Z")
Hi, when using external GPS (in “track” mode), is there a minimum frame “set” required for proper operation? For instance, I am importing multiple sentences from my GPS simulator … \[RMC,VTG,GGA,GLL etc\] .. I filter out a… --- ## [Card.motion.mode response](https://discuss.blues.com/t/card-motion-mode-response/3133)
**Author:** [@scavoj](https://discuss.blues.com/u/scavoj)\ **Replies:** 1\ **Last updated:** [June 30, 2025, 12:14pm UTC](https://discuss.blues.com/t/card-motion-mode-response/3133 "2025-06-30T12:14:30Z")
My card.motion.mode request is: (I printed it out and the JSON came out in this order) {‘seconds’: 15, ‘start’: True, ‘sensitivity’: 3, ‘motion’: 1, ‘req’: ‘card.motion.mode’} And the response is: {‘crc’: ‘0006:31D285… --- ## [How to get GPS Data from Notecard](https://discuss.blues.com/t/how-to-get-gps-data-from-notecard/3116)
**Author:** [@bBrown](https://discuss.blues.com/u/bBrown)\ **Replies:** 3\ **Last updated:** [June 23, 2025, 5:38pm UTC](https://discuss.blues.com/t/how-to-get-gps-data-from-notecard/3116 "2025-06-23T17:38:46Z")
Hello, I’m new to using the Blues Notecard and am struggling to get any functionality from the GPS. At this moment, I’m not interested in syncing to the cloud and am purely focused on retrieving a GPS signal. I’ve succes… --- ## [Not "always" getting \_track.qo notes](https://discuss.blues.com/t/not-always-getting-track-qo-notes/3111)
**Author:** [@richf](https://discuss.blues.com/u/richf)\ **Replies:** 1\ **Last updated:** [June 20, 2025, 5:38pm UTC](https://discuss.blues.com/t/not-always-getting-track-qo-notes/3111 "2025-06-20T17:38:49Z")
Hi, my topic is similar to one posted on Dec 2022 \[Not getting \_track.qo notes after initial Satellite Fix\] - one big difference is that I’m not using the Notecard’s GPS engine – rather importing external GPS (NMEA) stri… --- ## [Best way to determine based on API whether the Notecard is having difficulty connecting to cell network?](https://discuss.blues.com/t/best-way-to-determine-based-on-api-whether-the-notecard-is-having-difficulty-connecting-to-cell-network/3062)
**Author:** [@scase](https://discuss.blues.com/u/scase)\ **Replies:** 1\ **Last updated:** [June 10, 2025, 3:33pm UTC](https://discuss.blues.com/t/best-way-to-determine-based-on-api-whether-the-notecard-is-having-difficulty-connecting-to-cell-network/3062 "2025-06-10T15:33:51Z")
I am looking for a boolean indicator of whether or not the Notecard is having trouble connecting to a cell network, so that I can light an LED on our Feather to indicate that for troubleshooting. That seems simple, but I… --- ## [How to get consistent signal strength values from card.wireless](https://discuss.blues.com/t/how-to-get-consistent-signal-strength-values-from-card-wireless/2988)
**Author:** [@josh77](https://discuss.blues.com/u/josh77)\ **Replies:** 15\ **Last updated:** [April 29, 2025, 6:44pm UTC](https://discuss.blues.com/t/how-to-get-consistent-signal-strength-values-from-card-wireless/2988 "2025-04-29T18:44:58Z")
While using a Notecard Cell+WiFi in WiFi mode, we’re using the following MCU code to retrieve ‘bars’ and ‘rssi’ values from card.wireless, then upload those values as part of our ‘note.add’ payload. We are operating in … --- ## [Neo-monitor LED behaviors, colors, and brightness](https://discuss.blues.com/t/neo-monitor-led-behaviors-colors-and-brightness/2962)
**Author:** [@josh77](https://discuss.blues.com/u/josh77)\ **Replies:** 2\ **Last updated:** [April 1, 2025, 7:18pm UTC](https://discuss.blues.com/t/neo-monitor-led-behaviors-colors-and-brightness/2962 "2025-04-01T19:18:01Z")
We are testing out Neo-monitor mode (with an offset of 1 so that we can manually control the first LED), but what we’re seeing isn’t 100% matching up with the documentation, which says: As a NeoPixel can be programmed … --- ## [What is duration field in hub.sync.status reply?](https://discuss.blues.com/t/what-is-duration-field-in-hub-sync-status-reply/2964)
**Author:** [@SSPW](https://discuss.blues.com/u/SSPW)\ **Replies:** 1\ **Last updated:** [April 1, 2025, 4:07pm UTC](https://discuss.blues.com/t/what-is-duration-field-in-hub-sync-status-reply/2964 "2025-04-01T16:07:12Z")
What is the meaning of the undocumented “duration” field for the “hub.sync.status” request? from USB CLI; \> {"req":"hub.sync.status"} { "mode": "{modem-off}", "bytes\_sent": 4788, "bytes\_received": 7375, "time": 174… --- ## [Couple of questions about Neo-monitor mode](https://discuss.blues.com/t/couple-of-questions-about-neo-monitor-mode/2955)
**Author:** [@josh77](https://discuss.blues.com/u/josh77)\ **Replies:** 2\ **Last updated:** [March 31, 2025, 8:06pm UTC](https://discuss.blues.com/t/couple-of-questions-about-neo-monitor-mode/2955 "2025-03-31T20:06:26Z")
Hi all. Currently playing around with Neo-Monitor mode on a Wifi+Cell notecard, using a strip of 5 NeoPixels. I have 2 questions so far that I can’t find answers to in the forum or API: Question 1 One of the replies f… --- ## [Card aux gpio mode on Lora?](https://discuss.blues.com/t/card-aux-gpio-mode-on-lora/2922)
**Author:** [@stewartm](https://discuss.blues.com/u/stewartm)\ **Replies:** 1\ **Last updated:** [March 18, 2025, 4:31pm UTC](https://discuss.blues.com/t/card-aux-gpio-mode-on-lora/2922 "2025-03-18T16:31:45Z")
Ive been using the card.aux gpio mode on celluar, wifi and ntn with success for about 6 months, however when I try to use it on a lora card i get a error message asking about a unique port but i have set the port in the … --- ## [Periodic mode and \`hub.sync\`](https://discuss.blues.com/t/periodic-mode-and-hub-sync/2827)
**Author:** [@devElert](https://discuss.blues.com/u/devElert)\ **Replies:** 10\ **Last updated:** [February 19, 2025, 7:49pm UTC](https://discuss.blues.com/t/periodic-mode-and-hub-sync/2827 "2025-02-19T19:49:03Z")
Hi! My project uses Notecard in periodic mode, with a relatively long inbound/output period (several hours.). The host wakes up periodically and performs a “manual” sync using hub.sync. From the docs, I understand that… --- ## [\_health\_host.qo](https://discuss.blues.com/t/health-host-qo/2830)
**Author:** [@devElert](https://discuss.blues.com/u/devElert)\ **Replies:** 3\ **Last updated:** [February 19, 2025, 3:09pm UTC](https://discuss.blues.com/t/health-host-qo/2830 "2025-02-19T15:09:57Z")
On the http route settings page in Notehub, \_health\_host.qo is listed as a system notefile. I don’t recall seeing that before. I checked the docs but didn’t see it mentioned. Taking an (allegedly!) educated guess, I im… --- ## [Received JSON string at Notehub not in same order?](https://discuss.blues.com/t/received-json-string-at-notehub-not-in-same-order/2815)
**Author:** [@mtrobregado](https://discuss.blues.com/u/mtrobregado)\ **Replies:** 2\ **Last updated:** [February 8, 2025, 7:29pm UTC](https://discuss.blues.com/t/received-json-string-at-notehub-not-in-same-order/2815 "2025-02-08T19:29:57Z")
Hi, I send this JSON string at Notecard WiFi v1. The sensor data is in this order temp, humid, light, batt, rssi. const char testnote2\[200\] = "{" "\\"req\\": \\"note.add\\"," … --- ## [Maximum implied Notecard throughput of 1 kB/second?](https://discuss.blues.com/t/maximum-implied-notecard-throughput-of-1-kb-second/2781)
**Author:** [@daterdots](https://discuss.blues.com/u/daterdots)\ **Replies:** 2\ **Last updated:** [January 31, 2025, 11:43pm UTC](https://discuss.blues.com/t/maximum-implied-notecard-throughput-of-1-kb-second/2781 "2025-01-31T23:43:22Z")
I wasn’t sure if GitHub or the forum was the right place for this, so I am cross-posting. We have a sensor that acquires data at about 4 kB/second, and we have noticed that we cannot feed it to the Notecard fast enoug… --- ## [NoteHub Route to Google Sheets](https://discuss.blues.com/t/notehub-route-to-google-sheets/2644)
**Author:** [@colin-mcmillen](https://discuss.blues.com/u/colin-mcmillen)\ **Replies:** 3\ **Last updated:** [January 29, 2025, 9:29am UTC](https://discuss.blues.com/t/notehub-route-to-google-sheets/2644 "2025-01-29T09:29:21Z")
I want to know if there is an easy way to route Notehub data to google sheets. I have absolutely zero knowledge on how you would even begin to do that. I am also not super familiar nor am I comfortable using the routes t… --- ## [JSON string to send from multiple wireless sensors?](https://discuss.blues.com/t/json-string-to-send-from-multiple-wireless-sensors/2773)
**Author:** [@mtrobregado](https://discuss.blues.com/u/mtrobregado)\ **Replies:** 3\ **Last updated:** [January 27, 2025, 2:41pm UTC](https://discuss.blues.com/t/json-string-to-send-from-multiple-wireless-sensors/2773 "2025-01-27T14:41:45Z")
Hi, I have 3 sensor nodes that sends node ID, location, temperature, humidity, light intensity, and battery level to a collector board. The collector board is connected to Notecard WiFi and Notecarrier A. I want to kn… --- ## [Problem adding large strings to note requests with C/Zephyr](https://discuss.blues.com/t/problem-adding-large-strings-to-note-requests-with-c-zephyr/2625)
**Author:** [@rlkeith](https://discuss.blues.com/u/rlkeith)\ **Replies:** 1\ **Last updated:** [January 11, 2025, 3:54pm UTC](https://discuss.blues.com/t/problem-adding-large-strings-to-note-requests-with-c-zephyr/2625 "2025-01-11T15:54:56Z")
Hi All, My old project, using PlatformIO/Arduino and the Swan, sends notes with a string 2,100 characters long with no problem via the I2C interface. I am rebuilding it to run on Zephyr, written in C. There is a de-fac… --- ## [Exemple for note-c-zero](https://discuss.blues.com/t/exemple-for-note-c-zero/2515)
**Author:** [@lejibxl](https://discuss.blues.com/u/lejibxl)\ **Replies:** 6\ **Last updated:** [January 7, 2025, 1:20pm UTC](https://discuss.blues.com/t/exemple-for-note-c-zero/2515 "2025-01-07T13:20:26Z")
Hello, Would it be possible to have an example of how to use the “note-c-zero” library (GitHub - blues/note-c-zero: C interface to the notecard that uses zero static read-write memory nor requires any dynamic allocator)… --- ## [Template for note containing table](https://discuss.blues.com/t/template-for-note-containing-table/2533)
**Author:** [@rlkeith](https://discuss.blues.com/u/rlkeith)\ **Replies:** 2\ **Last updated:** [January 1, 2025, 10:52am UTC](https://discuss.blues.com/t/template-for-note-containing-table/2533 "2025-01-01T10:52:06Z")
Hi All, I’m sure i saw something about this before but I can’t find it. I need to return a table of beacons that have been detected by my Blues device. The data is pretty simple, but I would like to get a table somethi… --- ## [Update existing note](https://discuss.blues.com/t/update-existing-note/2500)
**Author:** [@gomario2](https://discuss.blues.com/u/gomario2)\ **Replies:** 1\ **Last updated:** [December 11, 2024, 12:35am UTC](https://discuss.blues.com/t/update-existing-note/2500 "2024-12-11T00:35:58Z")
I send every hour (periodic) but measure and queue the note few times during that hour. Rather than sending multi messages i rather just update the payload. Can I update a queued note with additional data? --- ## [FreeRTOS-based app freezes after making call to Notecard API (can't lock semaphore?)](https://discuss.blues.com/t/freertos-based-app-freezes-after-making-call-to-notecard-api-cant-lock-semaphore/2396)
**Author:** [@darkerenergy](https://discuss.blues.com/u/darkerenergy)\ **Replies:** 8\ **Last updated:** [December 5, 2024, 2:20pm UTC](https://discuss.blues.com/t/freertos-based-app-freezes-after-making-call-to-notecard-api-cant-lock-semaphore/2396 "2024-12-05T14:20:24Z")
I’m working on an app where I have an MCU (currently STM32 Nucleo-U083RC) connected via I2C to a Notecard. At present the app is very simple, being a minor modification to the STM “FreeRTOS\_Semaphore\_LowPower” sample. Th… --- ## [Determining whether Notecard WiFi is connected to WiFi through Notecard API](https://discuss.blues.com/t/determining-whether-notecard-wifi-is-connected-to-wifi-through-notecard-api/2466)
**Author:** [@yunzheng](https://discuss.blues.com/u/yunzheng)\ **Replies:** 3\ **Last updated:** [November 28, 2024, 11:40am UTC](https://discuss.blues.com/t/determining-whether-notecard-wifi-is-connected-to-wifi-through-notecard-api/2466 "2024-11-28T11:40:06Z")
How could I determine whether a Notecard WiFi is connected to WiFi through the Notecard API? I was thinking about using a card.wireless request and looking at the status field, but I’m not sure which status codes would … --- ## [State of accurate time: sub-second accuracy?](https://discuss.blues.com/t/state-of-accurate-time-sub-second-accuracy/2406)
**Author:** [@gauteh](https://discuss.blues.com/u/gauteh)\ **Replies:** 2\ **Last updated:** [October 29, 2024, 4:17pm UTC](https://discuss.blues.com/t/state-of-accurate-time-sub-second-accuracy/2406 "2024-10-29T16:17:31Z")
Hi, I use card.time to get the current time. I understand it is accurate to the order of a second at the moment (and anyway the resolution of the response is on the order of a second). With the GPS it should be possible … --- ## [How to delete a notefile before sync?](https://discuss.blues.com/t/how-to-delete-a-notefile-before-sync/2368)
**Author:** [@ujur007](https://discuss.blues.com/u/ujur007)\ **Replies:** 4\ **Last updated:** [October 14, 2024, 7:39pm UTC](https://discuss.blues.com/t/how-to-delete-a-notefile-before-sync/2368 "2024-10-14T19:39:48Z")
For my project, I am going to use notefiles (sensors.qo) and would like to sync as soon as they are added. But seems that sync is not that much fast for my case. It takes approx 5 mins on average to happen. My code adds … --- ## [Starnote packet size](https://discuss.blues.com/t/starnote-packet-size/2361)
**Author:** [@richf](https://discuss.blues.com/u/richf)\ **Replies:** 1\ **Last updated:** [October 9, 2024, 5:28pm UTC](https://discuss.blues.com/t/starnote-packet-size/2361 "2024-10-09T17:28:00Z")
Hi, the under the section Starnote/ \[Satellite (NTN) Communications\], the minimum packet size is listed as “Starnote packets are at least 50 bytes at a minimum”. Does this 50 byte size INCLUDE “user data”? So a 20 byte… --- ## [Connecting a WiFI notecard via a captive portal](https://discuss.blues.com/t/connecting-a-wifi-notecard-via-a-captive-portal/1899)
**Author:** [@noforan](https://discuss.blues.com/u/noforan)\ **Replies:** 5\ **Last updated:** [October 7, 2024, 4:07pm UTC](https://discuss.blues.com/t/connecting-a-wifi-notecard-via-a-captive-portal/1899 "2024-10-07T16:07:12Z")
Hello all, I have a device working fine outdoors with a cellular Notecard. But now I’m working with the same device inside a school building that has non-existent cellular reception. I have a WiFI Notecard and I just go… --- ## [Track note card status and handle failure scenarios](https://discuss.blues.com/t/track-note-card-status-and-handle-failure-scenarios/2303)
**Author:** [@Srihari](https://discuss.blues.com/u/Srihari)\ **Replies:** 10\ **Last updated:** [October 7, 2024, 1:38pm UTC](https://discuss.blues.com/t/track-note-card-status-and-handle-failure-scenarios/2303 "2024-10-07T13:38:12Z")
Hi @RobLauer How to handle below error conditions when adding/calling function \*req = notecard.newRequest(“note.add”); I observed below error messages and planning to reset the notecard “{“req”:“card.restore”,“delete”… --- ## [Reading data from a Notecard response with C/C++ API](https://discuss.blues.com/t/reading-data-from-a-notecard-response-with-c-c-api/2332)
**Author:** [@scase](https://discuss.blues.com/u/scase)\ **Replies:** 6\ **Last updated:** [September 25, 2024, 3:14pm UTC](https://discuss.blues.com/t/reading-data-from-a-notecard-response-with-c-c-api/2332 "2024-09-25T15:14:37Z")
Hi all. I have what I suspect is a simple question, and I’m probably just overlooking something obvious. I am using C with the Notecard libraries and trying to retrieve values from environment variables set up on Notehub… --- ## [Size of data base64 encoded data](https://discuss.blues.com/t/size-of-data-base64-encoded-data/553)
**Author:** [@gauteh](https://discuss.blues.com/u/gauteh)\ **Replies:** 20\ **Last updated:** [September 11, 2024, 8:38am UTC](https://discuss.blues.com/t/size-of-data-base64-encoded-data/553 "2024-09-11T08:38:39Z")
Hi, what is the size counted against the quota for base64-encoded payload? Is it less when a template is set up? Is it transmitted in base64 or in a binary format? Is the quota counted against data routed out of the no… --- ## [Delete a Project](https://discuss.blues.com/t/delete-a-project/2309)
**Author:** [@richf](https://discuss.blues.com/u/richf)\ **Replies:** 1\ **Last updated:** [September 3, 2024, 6:09pm UTC](https://discuss.blues.com/t/delete-a-project/2309 "2024-09-03T18:09:14Z")
Hi, How do I delete a Project (that I no longer need)? Is it as simple as hitting the “Delete” button (while “in” the project to remove) in the “Project/Devices” page (with the checkbox next to “Status” checked? I wanted… [Previous page](https://discuss.blues.com/c/notecard-api/12.md) [Next page](https://discuss.blues.com/c/notecard-api/12.md?page=2)