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 All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi,
I'm trying to interface SIM808 with nrf51822 over uart using nrf_drv_uart. Everything works well for some time, but then uart starts reporting error code 1, NRF_UART_ERROR_PARITY_MASK...
Hello,
I am working with the GPIOTE library to get a GPIOTE_IRQ from a peripheral.
I have several questions regarding the library and how IRQ works.
1.How do I clear...
Hello,
I am using SDK7.1.0 for NRF51822.
In my subroutine, I would like to disconnect with the peer device, and re-advertise. But when after re-advertising, I found the...
Is it possible to set scope for search in info-center only for SDK 11? It search in all SDK versions and sorts results randomly. It is very annoying. Especially when there...
Hi,
I want to build expertise in BLE and want to use the Nordic nRF51x22 to build a hardware and write the firmware for the same.
I am planning to use the nRF51 DK....
I'm calling sd_ble_gatts_characteristic_add multiple times to add characteristics to a peripheral. At some point I get a return value of 0x200020B6. I'm not making much headway...
Hello everyone,
I am trying to use the ble_app_hrs_rscs_relay example from SDK V11 for s130 (2.0.1).
It compiles and works well when I use an pc10028 evaluation board...
If I have multiple services, 2 for example, how should I set up the srdata.uuids_complete.p_uuids in the code:
ble_advdata_t srdata;
memset(&srdata, 0, sizeof(srdata)...
Hello,
I am developing beacon on nRF51DK and I want to store in non volatile memory some parameteres like:
ProximityUUID
Minor
Majnor
AdvInterval
Tx_power...
Is it possible to configure SPI Master API to send multi-byte words?
My peripheral expects transfers in 16-bit blocks (CS goes low, 16 bits are clocked in, CS goes high...
Hi guys,
I'm going to start the development of a new project based on nrf52832 and I have to decide the firmware architecture and APIs. Designing the support for the Nordic...
I am using a digital microphone using i2S interface with the following signals: BCLK (bit clock), WS (word strobe), SELECT (select for Left/Right) and SDOUT (digital data...
I received that error using master control panel version 3.7.1
While using the last nRFgo Studio (1.21.2) it tells me JLinkARM.dll is not correctly installed. Please run...
Hi! I need to sample and send adc values using ble_nus to read it on an android device. I am using nrf 51DK and SDK version 10.
I tried the below two codes but they are not...
I have a NRF24LE1 transmitter transmitting 10 bytes of static payload every sec.
While I have a Receiver which is NRF52-DK. It is receiving the payload that is sent by...
