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...
The last few weeks I'm working with the nRF51422 and run in to several TWI/I2C issues. All of them I could solve except an issue with a SAA1064 7segment display driver from...
We have a custom board with nFR51422. Of the first 4 prototypes only one works correctly. This indicates that the PCB is ok. One difference is the chip marking. The working...
My test: PCA10000+Master Control Panel(3.4.0.8098) as central role, conninterval=20ms
nRF51822+softdevice(5.0) as peripheral role, conninterval=10ms
then sd_ble_gap_conn_param_update...
Hi all,
i have a problem with my pwm modul, if i use my setPWM Function before i start advertising it works fine. But if if i use PWM after starting advertising it doesn...
Hi,
I want do make BLE scanner on nrf51822. As I checked the nrf51822 should be in GAP Central role and perform acitve/passive scans. Is is correct that S110 SoftDevice...
Hi,
We are using the NRF51822-CEAA flip chip BGA package in a custom board we recently received back from the manufacturing and assembly. Unfortunately, we are running...
Hi,How to make the Master Control Panel as iOS App?
I have a product(watch) and i want to Simulation the iOS App to control the watch.
Now,the dongle(PCA1000) can discovery...
I'm making a device that occasionally (once per minute) needs to upload a sample to an iPhone app.
I'm thinking that to keep power consumption to an absolute minimum, I...
My condition
SDK 4.3
SoftDevice 6.0-alpha
Hello.
I test nRF51822 EK with HRM profile to communicate iOS applications(My custom app, and LightBlue LE ). Firmware...
I'm using the Gazell protocol on my NRF51822. On the host side I got a problem with the FIFO length. I put 4 ACK packets into the FIFO but this give me an error if I check...
hi
i have added new characteristics on a existing service,and i do not know how to make this characteristics can be change by the smartphone and how to know this characteristics...
Hi,
I am still confused by BLE(bluetooth low energy) and Radio. Both of them transmit data by radio according to bluetooth protocol. Is it mean that Radio does not belong...
Hi,
Could you tell me please the maximum supporting number of services?
This number may be varied depending on number of attributes in each service and its size. So...
