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...
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'm working on integrating ANCS on our existing and futur products. I started to port the Nordic SDK example (12.x) and it seems to work fine on nRF52, which will be...
I am currently using SDK 12.1.0 and experiencing intermittent HardFault crashes in timer_list_remove() with the stack indicating the origin being a SWI0_IRQHandler call. ...
i have a setup with one NRF24L01+ as PTX and one NRF51822 as PRX
my problem is that the data sended ok and ack sended to NRF24L01+(i assume that by NRF_ESB_EVENT_TX_SUCCESS...
the application need the nRF24LE1 to go to memory retention sleep model for more than 2s，and we know that RTC can only timer for 2s.i used WDT to do this job , but there is...
I use below code to disconnect the BLE device from mobile phone. But it return err_code =7. Please comments.
if(m_conn_handle!=BLE_CONN_HANDLE_INVALID)
{
LocalInitiateddDisconnect...
Hello,
I am working on S120 stack and 9.0 SDK and the central will connect to 2 different peripherals with unique IDs and both unique ID is having different service.
...
Hi,
Do the nRF52 GPIOs retain their pullup/down or drive characteristics when in its deepest sleep mode? VCC is still applied, but otherwise, the chip is to consume a minimum...
Hi!!
I need to migrate from the 2.0 SD version to the 3.0 of the s132. I have downloaded the zip, and programed my DK with the new SD code, also, I have changed the IROM1...
hello
In proprietary model of nrf51822，I doubt that the RSSI is not accurate in my testing environment，so i want to calibrate the RSSI info by using R&S SMU200A，can anybody...
Hello,
in the nrf52832 PS I've stumbled over the "EasyDMA array list mode". From the description, I'm unable to understand, how this works and what I can archive with this...
I have a custom board that has an MPU9250 attached as a SPI device. The MPU can generate data ready interrupts. I have set the MPU to generate data ready 4x per second which...
Where can I find documentation for using EasyDMA list mode on SPIM?
I've got nrf51822.
All I can find is this nrf52 documentation , which seems incomplete.
Is there...
