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...
Hello,
I am using sdk 12.3.0 and pca10040 board. I want to update the firmware OTA. I am following this post
devzone.nordicsemi.com/.../
I am stuck at step 4)...
I am using the nRF52832 development board, S132 and SDK11.0, I have some questions about Bluetooth pairing,The project under the link：examples\ble_peripheral\ble_app_uart...
when we use twi to transmit data in iic mode ,the nrf52832's power is unacceptable,too high!we read and write data in 50times per second.every time, we transmit 24 byte data...
I JUST NEED TO KNOW NUMBER OF ON PULSES PRESENT IN THE PWM OUTPUT CAN I USE PIN CHANGE INTERRUPT TO COUNT THE NUMBER OF ON PULSES OR SOME OTHER METHOD IS AVAILABLE
Hi,
We need to pass the radio certification and in order to simplify the setup we created an application to setup BLE TX/RX/CC/MC from an NFC command but we meet a strange...
Hello,
As a lot of person, I have a problem for use nrf52832(pca10040 board) with spi as slave.
I check my master with salae probe tool and this part is correct. Chip...
Hello,
my nRF52 Preview dev.kit don't upload the last 2016 march 15 firmware update
from nRFgo app. It gives me always an error and the progress bar stay at 0% value.
...
Hi,
Need you suggestion regarding our use case but first I would like to explain about our use case.
In our use case there be beacons and receiver. Beacon we are considering...
Hi, I am a beginner and trying to understand the SD card example for nrf52 DK. When I change the pins from the given configuration
#define SDC_CS_PIN ARDUINO_10_PIN
#define...
Hello all,
During testing of my nRF51 based device some Android based phones unable to connect or at least connect from the first time. The same device connects perfectly...
I use sdk 12.3.0 / nrf51822 / SD_130.
I use app_timer library.
I want to know how to calculate the maximum allowed tick count when setting APP_TIMER_PRESCALER = 15...
I am trying to send 20 notifications inside a loop. I am able to send 7 of these and receive the following error. What does this mean? Also, is there a central document that...
Hello,
We are facing a critical issue with our BLE peripheral product under development crashing during paring/bonding.
The phones used are all different, but the ones...
Hi all,
I want to know if the images inside the hci_dfu_send_hex folder are just precompiled hex files from the examples.
More specific I want to use the bootloader...
