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 Everyone,
I am trying to add the pwm library in the button example in SDK verrsion 10 but app_pwm.c files showing this error can anyone letme know why this error is...
I use s130 based device as central to connect to my ios device, when connected, the central will issue a bond request, if user accept this request on ios device, the bond...
While using PPI and trying to use the first channel as a clock based PWM running on timer1 I noticed that whenever I use more than 2 PPI channels, the pin that is toggeling...
Hello!
I have multiple peripherals and multiple centrals. I'm trying to make one peripheral to connect only to one central.
I read a way to do this is by using whitelisting...
I’m attempting to use an nRF51 dongle with connectivity_115k2_with_s130_1.0.0.hex burned on to it. I’m using the dongle as a central, attempting to connect to a peripheral...
Hi, i try to add a passkey with "ble_app_uart".
I want to this thing.
If i try to use the master_pannel app to connect, peripheral require passkey.
no bonding.
...
Hi all;
I have a hardware question . How much is the discharge time of 10uF capacitor which put in the VDD pin of 51822 ?
When i use the formula of capacitor discharge...
I need to do this, A product ble and Gazell should be used. Switch bluetooth or Gazell mode by pressing the button, but ble and Gazell not used the same time.
When I switch...
condition:i am using the nrf51_adk10.0.0,and i want to enable the NRF51422 as a central role.,so a program the sd130,and i download the application into the board(ble_app_uart_c_s130_pca10028...
Hello,
I am using nRF51822 to build a product and employ 3.0V battery as power supply and system works on DCDC mode. I need RTC counter to do real time tracking. My question...
Hi,
I am developing a glucose application using nrf51822 chip.
Now i want to go for mass manufacturing.
All my devices are advertising the same name.
I want to identify...
Hi all,
I was testing with a new nRF51 Dongle recently and am finding that it disconnected from any peripheral after 15-18 seconds. Generally a little while after a Connection...
I had a PWM question ( here ). It was recommended that I install SDK 10 and use the PWM files from SDK 10. I installed and copied the PWM files from 10 to 9 and opened my...
Hi, I've compiled program from this link:
developer.mbed.org/.../
The problem is that I can't connect to my DK by nRF UART 2.0 app, probably because not every UUID is...
I am working on adding a timer in the ble_app_uart sample, aiming on disconnect with device which doesn't send any data in specific time, such as 5 seconds.
Now I have...
