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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi,
Suppose I want to develop a bluetooth blood pressure monitor called "Prexmon". The design is based on nRF5340 with Zephyr RTOS. During software development I want to...
Hello,
I am trying to add DFU to an existing product that uses an nRF52832. I have gone through the tutorial here . I am using SDK v15.3.0. I am using the GNU Tools ARM...
While debugging an issue where a bonded Android app didn't handle characteristics that were moved and deleted correctly, I noticed that the peer manager can detect if the...
When we check the bandedge, we find Hump at Fc±N*16MHz. the level is about -45dBm(while FCC limit -41.2dBm).
This happens at both CW mode and moduation mode.
I notice...
Hi,
Why print multiple rows of data instead of one
I want to print 159 bytes of data
The code is as follows:
The abnormal output is as follows:
SDK version...
Hi all, this is an answer for those who see this when using SDK14 (and maybe even before):
As one tries to use the micro-ecc library when creating DFU applications, on...
Many, many files have Windows line-endings, for example the `./build_all.sh` bash script in micro-ecc, but many files more as well.
```
#!/bin/bash^M ^M # This script...
Hi There,
I try to use the sha512 to checksum. But, the compiler told me the functions do not be defined. [ocrypto_sha512_init(), ocrypto_sha512_update(), ocrypto_sha512_final...
Hello,
I have downloaded the nRF5 SDK v17.0.2 and used the app_uart_c (s140 - pca10056e) example. Then, I modified the scan_init function in main.c to scan by name and also...
Hello,
Hello, I am currently developing an emergency system. The goal is for this system to be off most of the time. It will be used very little, and the system will have...
Dear sir/madame
Hopefully someone at this forum can bring a clarifying light to me.
I am struggling with storing a variable in flash (nRF 52840 and SDK 17.0.2).
If...
Because of all the provided examples, developing experience has been really smooth but except the merging of usb_dfu and ble_dfu. Therefore Kindly provide an example of the...
