How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
I am working in sdk14.1 nrf52832 ble_app_hids_keyboard_pca10040_s132.
I have successfully implemented a keyboard + Consumer control command in the HID service.
It works...
When I only used XXLARGE block, I got bellow error:
..\..\..\..\..\..\components\libraries\mem_manager\mem_manager.c(484): error: #94-D: the size of an array must be greater...
Hello,
I'd like to keep an epoch time on the nRF52 by incrementing a 64-bit second counter in RAM by using app_timer once per minute (happy with this granularity). Between...
Hello everyone,
I know this issue is quite recurrent but I've gone crazy reading so many different issues with android version, Connection intervals, etc. Would like to...
Hi all,
I'm working on a implementation of the nfc url to my custom nrf52832 product.
I would like to run the record_url example on my custom application. I made a library...
There is the board mark on the chip like n51822CEAAD01350A0, where DO is Build code, 1350 is tracking code(YYMM), A0 is lot code.
Taking below package marking for reference...
Hello,
I am currently experimenting with some throughput tests on nRF52832/nRF52840 DKs. Some time ago I worked with some BLE UART examples from SDK 13.0 with the help...
Hi,
I want to sample lpcomp result at 50us, I'm doing so by using the following statements and set/clear a gpio based on the lpcomp result:
nrf_lpcomp_task_trigger(NRF_LPCOMP_TASK_SAMPLE...
i use BLE uart project SDK 11 NRF 51822 with 2 value min max conn interval default is 20 and 75 ms.
i use android App was built by my team, and it' hard connect to NRF...
I am looking for a best solution to this scenario as in title:
I read in some posts (eg. this post ) that can use multiple ble service instances
also in...
I have followed the well written blog post on how to create custom service on this site. I downloaded the sdk 13 code for the same and i can send and receive values on the...
System:
-nRF51822, SDK11, Eclipse with GCC
-Project based on dfu_dualbank_s132
Intention:
Flash the combined SoftDevice, Bootloader and Application, where the...
When I call nrf_gzll_enable(), then nrf_gzll_disable(), and go to sleep with __WFE(), there is about extra 6uA draw due to this enable/disable action. It seems the nrf_gzll_disable...