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 am using SDK15. I am developing application which is mainly based on ble_app_uart (with NUS) service. NUS service consists of two characteristics: - RX Characteristic...
What Bluetooth SIG fees are required for a product that includes the Nordic nRF52840 chip?
What about for a product that includes a 3rd-party Bluetooth module (that contains...
Using the S132 soft device on an nRF52 DK and calling the sd_flash_write function always produces the NRF_ERROR_FORBIDDEN code. The following is the line believe is causing...
Is it available indoor positioning service implementation (asset tracking etc.) or demo for nordic thingy52 modules or other NRF uC based on the BLE Mesh protocol ?
If any...
I'm planning to use the nRF52840 in a battery powered smart lock setup with multiple peripherals connected to one central using Coded PHY to increase the range. Due to the...
Hi,
In the light_switch_client_nrf52832_xxAA_s132_3_1_0 project, I have tried some ways to remove server from configured devices, but failed. Anyone know?
Here's my...
Platform: Keil, SDK13.1, nRF52832
I'm investigating series of seemingly random hangs when app_twi gets permanently stuck in app_twi.c following code snippet:
When...
I have 4 button and the app_button use gpiote module, button works OK. But nrf51822 only has 4 gpiote, so what should I do if I want to use pin interrupt for g_sensor?
This question is related to https://devzone.nordicsemi.com/f/nordic-q-a/24860/sdk14-static-service-structures
Typically in your SDK examples you put global variables for...
I am trying to build the micro-ecc library following the procedure detailed in the BLE LE Secure Connections multirole example . I am using SDK v11.
I have cloned the micro...
Hi,
I have modified the nus service and added two new characteristics called txs and rxs which support read and write protection.
on the peripheral i have set BLE_GAP_CONN_SEC_MODE_SET_LESC_ENC_WITH_MITM...
Hello:
According to the website, please nrf52832 circuit design, without adding other peripherals, just as a radio Beacon, button battery voltage at 2.3 V nrf52832 cannot...
