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...
If, for example we would source 10 mA on 2 pins (2 x 5 mA), how much current can we sink on high drive pins?
Is that 15 mA overall sinking and sourcing (which seems like...
Hi,
HW:PCA10040
SDK:v12.0
QUESTION:PWM
I want to use SDK 12 to get 4 pwm , so i search in pwm , i start my program like this , but i can't find nrf_drv_pwm_config_t...
anybody knows how to download the nrf52 sdk common library document?
i only find a online help infocenter.nordicsemi.com/index.jsp but i need a offline reference manual....
Hi, I am using following code inside for(;;) in main function
if(diff == 30)
advertising_stop();
else if(diff == 60)
advertising_start();
Following are the advertising_start...
I use IAR to debug nRF51_SDK12.0.0 ble_app_uart example application. The origin application is for nrf51422, and my device use nrf51822. Therefore, I first change the device...
I'm using a S130 on nrf51822.
connect to 3 peripherals (in case of the master)
connect to 1 central (in case of the slave)
But, I want to use 1 peripheral and 1 centeral...
I'm using nRF52+SDK11.0.0+S132 with an application based on the ble_hrs example.
In main() , if I call a blocking nrf_drv_spi_transfer() to configure some SPI sensors before...
Hello I tried to do a application update with my own key and it does work.
But then I tried to create zip with all 3 parts: APP+BL+SD (application+BootLoader+SoftDevice...
Hi
With the introduction of softdevice v2.0.1, the connection bandwidth has become configurable to be low, medium, or high; and can be specified independently for TX And...
Hi,
Now I'm using nRF52 SDK v12 and S132, I have some data(about 300 bytes)need to write to the flash. I have seen the fstorage but I donn't know how to use it. Could anyone...
Hi,
I am trying to implement a biometric group telemetry system for my gym and experimentation.
In the past I used a nRF24AP2 module and an ARDUINO PRO MINI 3.3V 8MHz...
Hii,
I want to assign name to my custom service. how can i add it i am using nrf52 chip and s132 softdevice.
I have add new service using sd_ble_gatts_service_add() A...
In my project I need to be able to get time from a continuously running RTC. The softdevice uses RTC0, and app_timer uses RTC1 (and starts and stops it).
(annoyingly I...
Hi ,
I am working on one application in which i am using UART service. Whenever i am connecting to device using nrf connect or master control pannel app, UART service empty...
Hello.
I use the BLE multilink central example to connect to 2 sensors. I changed the example in that way that i successfully connect and read data from a Wahoo Cadence...