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...
I am looking to use the nRF51822 in my product and have been given a nRF51822 development kit however i have been looking for access to the Firmware and Hardware files and...
I have an nRF52 DK and have compiled (with gcc) and flashed an example that contains the line
NRF_LOG_PRINTF("SPI example\r\n");
I get the appropriate LED flashing...
Hi,
I'm trying to discovery the content of a vendor specific GATT service.
So far I'm receiving the BLE_DB_DISCOVERY_COMPLETE event and I'm able to see that I got 4 entries...
Hello,
I have a BLE Nano (nRF51822) and I want to develop an app which will find all BLE devices around (MAC addresses and RSSI) and send it by UART/SPI . I've used nRF...
Hi.
I'm using nRF51822AC, S130.
I made source code for RF test as below.
NRF_RADIO->SHORTS = 0;
NRF_RADIO->EVENTS_DISABLED = 0;
NRF_RADIO->TEST = 0;
NRF_RADIO->TASKS_DISABLE...
I tried MQTT subscriber example code, it compiles and loads successfully but it doesn't show the LED lights accordingly as I press the buttons, meaning that MQTT state is...
I am using S130, and I try to write an very simple program, when I push button_1 then it read ADC and print it our by UART.
So, write a "nrf_drv_adc_buffer_convert" code...
I connect to nrf51 DK board and PC using USB. I used RTT Viewer to see RTT log output.
But when I try to compile and download from keil to the board, I got several WARNING...
All,
Can anyone tell me what is the fastest time that a ble SD (5.x / 6.x) running on an nRF51 can (re)start advertising from a disconnect. Basically looking to do an ...
I am not able to connect Garmin Edge or SimulANT to nRF51-DK. Neither sensor nor receiver seems to work. Just looks like there is no RF.
Examples tried:
power_only_sensor...
Dear Sir,
Here I test the ble_peripheral example "ble_app_uart" (Softdevice 8.0) with Kail MDK ARM 5.20 environemt on the PAC10028A board.
I found it's not stable and...
Hi,
I'm having trouble increasing frequency of data TX using ble_app_hrs example on PCA10028.
I tried to increase the TX frequency of heartrate data to 100ms by configuring...
