Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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 all,
i am using SDK V8. i want to start and stop the RTC manually .i gone through rtc periheral example but still i am not getting . please help me. i am a beginneer...
Hello,
I am using the nRF51822 with SDK 10.0, S110 softdevice, and a SPI slave interface. The SPI slave interface works , but the standby power consumption of the nRF is...
Hi there,I am using s130, my device is now working at peripheral mode, it's advertising. I want to switch it into central mode by pressing a button. and switch back to peripheral...
If I had two devices, one set up as a peripheral and one as a central, what sort of factors do I need to consider to work out the lowest possible power consumption/average...
Hi,
I am sampling 2 200Hz signal using ADC and transmitting data using heart rate and battery service of ble_hrm(instead of using simulated data).
But since the connection...
I have the following setup:
nRF51 dongle
connectivity_115k2_with_s130_1.0.0.hex firmware
Windows 7 PC
nrf51-ble-driver_win_0.5.0
My app is written in...
Hi,
I see that you provide Master emulator API for windows (dll) that works with firmware for Master control panel application. Master control panel firmware, as the name...
Hello,
I try to set up an external signal for the LFCLK on a nrf52832. From this question :
I know the nrf52832 can do this (signal on XL1 pin, XL2 grounded).
...
Hello,
I am working on development to concurrent multiprotocol: BLE+2.4G proprietary. I am using timeslot feature in S132.
Because in my own 2.4g proprietary protocol, the...
I want to use feature reports in my HID project, but as far as I see this functionality is not fully included in ble_hids.c (SDK 11). I already managed to properly receive...
Hi,
I want to advertise in variable intervals and mostly only one advertisement at a time. I planned to do it like this:
1- start advertising with any interval (e.g...
Hello,
I followed the example for doing 128 bit UUID advertising using ble_app_uart example. The problem is, this seems to work if I run it when the radio and controller...
Hi,
I have my custom nRF51822 board based on Raytac MDBT40-P module. I am trying to program it with nRF51-DK(PCA10028). I could program it with mbed interface once or twice...
Hi,
I want to implement Advertising with the Timeslot API. I only need non-connectable advertisements but I want to be able to control the transmit power.
Which example...
