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...
I want to make sure I'm far from ever having a stack overflow event. Is there a way in the IDE or elsewhere to monitor this risk? The map file produced after a build?
Hi,
I'm trying to get the actual connection interval used between my nRF51822 device and iOS device.
I have read this article , but I cannot get it worked.
I used sd_ble_gap_ppcp_get...
Hi,
I want to disable the softdevice (S110) in order to use the "flash_page_erase" and "flash_word_write" functions. But, when the sd_softdevice_disable() is called I get...
Hidden in the guts of this answer is:
Please be noted that not all central
stack have full support to
automatically discovery secondary
services (e.g S120 stack)...
In the code for the bootloader in dfu_dual_bank.c and the function dfu_init , I currently get an error code on timer start: 4 ( NRF_ERROR_NO_MEM ).
err_code = app_timer_start...
The device name is set in the usual way at the start of gap_params_init():
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
err_code = sd_ble_gap_device_name_set(&sec_mode,...
Hello,
I am new to BLE profile development. I searched in web but could not find out a useful guide for this in terms of actual implementation(coding). It is seen that all...
Why is the "old" EK "not recommended for new designs"? Will the old EK work with the IOT SDK?
(Maybe it is chip rev dependent? I don't have the my EK on hand so I don't...
Hello,
I have purchased a Intel Galileo Gen2 (x86 Arduino) and RedBear BLE shield v2.0. The Arduino IDE I use is Intel's version. I have imported the corresponding libraries...
The application uses bsp_button_is_pressed() but this device has no buttons. This results in err_code set to NRF_ERROR_INVALID_PARAM and subsequently a system reset during...
As previously reported for SDK 7.0.1 here , the documentation for SDK 7.1.0 in:
API Reference/nRF51 SDK/Peripheral Drivers/GPIO and GPIOTE
is missing all info about...
I can't find documentation for the HAL functions in the latest 7.0.1 SDK
Specifically the functions in nrf_gpiote.h
C:\Keil_v5\ARM\Pack\NordicSemiconductor\nRF_Drivers...
Hi,
We are in the process of creating our 2nd pass boards with following components to achieve good RF range>20 meters.
JOHANSON 2450BM14E0003 and SMD Chip Antenna 2450AT18B100...
I have met a problem in communicating with nrf8001.
After reset nrf8001, RDYN is low which means it has something to send. Then I pull low of REQN and start receiving data...
Hi,Nordic:
I use an STM32 to communication with nRF51822 through SPI, and i set the STM32 to master,the nRF51822 to SPI slave, 51822 works as SPIS.
When STM32 send a...