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...
Hello, I am working on storing words to flash using fds. I am working with the nRF52 DK and SDK V15.2.0. As mentioned in my earlier post , I am storing some critical state...
Hi,
Greetings!
I am using below setup:
SDK: v16.0.0
Mesh SDK: v4.0.0
Application: Light switch server and client
Hardware: nRF52DK
Distance between client and...
Hi, I am using ble_app_uart example for peripheral device and it will be powered by a 3.7 V battery. I need to use battery as long as possible. So I decided to make peripheral...
When I put the device into sleep it draws app 30 uA in sleep mode. Read in the manual: "Core standby current= 50 μA", "Current drawn if HFXO is forced on through for instance...
Hi,
I am trying to emulate a vendor's tool, whose BLE properties are configured as follows: Custom 128 bit Service UUID like XXXXXXXX- 0000 -XXXX-XXXX-XXXXXXXXXXXX
Custom...
hi, I am working nrf52832. I am making configuration file for nrf52.so I want to used Led3 set as high.
#define LED3 ((GPIO_PIN_CNF_SENSE_High << GPIO_PIN_CNF_SENSE_Pos...
Hi, I am looking to access nRF9160 modem via I2C. Essentially looking for hooks/ serial interface hand-off points used for instance in AT Client sample or Serial LTE Modem...
We have some devices out in the field with a mixture of application versions. In one particular case, we have device A on application version 10 and we have device B on application...
Hi there
I am having issues to perform disconnections from my central device when calling sd_ble_gap_disconnect()
most of the time I am able to disconnect properly using...
Hi Devzone:
I am researching how to maximize radio performance and stumbled on a statement on page 356 in the spec:
"Typical sensitivity applies when ADDR0 is used for...
Hi! Currently I have a nrf52840 devkit hooked up to an SD-card for storage through FATFS (using SPI). I would like to add a BME680 environment-sensor to the board and have...
1. I am trying to connect one node (say node A) from two android phones say phone A and phone B. The node A is configured as an on-off server for lamp 1, but it could not...
Hi
I am working on a project which needs to be developed on FreeRTOS, I am facing an issue i need logs at backend using RTT as my both serial_uarte are being used for communication...
Hi Community,
I am trying to program a timer to get a clean timebase of 50ms. But for some reason
A) the timer is little slower as expected. I have to add few counts to...
