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,
I'm using the nrf52 and in my application I need to sample a sensor after applying an IR pulse; the pulse length influences the sampling thus cannot be disturbed by...
I think this is a rather common problem:
I want to expose a couple of variables from my model code (members of structs) as characteristics. Is there a simple and elegant...
Hi
Question
What is the risk/chance that future revisions (>2.0.0) of S130 will be incompatible with the setting UICR.CLENR0 = 0x1C000 ?
Background
Today we would...
Hi,
I need to wait for a period of 7.5ms whilst my I2C sensor completes a measurement, I am currently using the nrf_delay_ms function however I am looking to optimise the...
Hi
I'm trying to explore the nRF52-DK kit.
I downloaded the demo : www.nordicsemi.com/.../heart_rate_demo.zip
Dragged and dropped the hex-file to the JLINK drive thats...
Hello,
I am utilizing an accelerometer sensor and communicating with it using TWI (I2C). I have both a development kit (NRF51-DK) and the Beacon (nRF51822-Beacon). I can...
Hi all:
Below is my source code for SPI master.
However, the handler is not triggered ...
Is any setting I missed?
Thanks...
void spi_event_handler(nrf_drv_spi_evt_t...
Hi,
I am using nRF51822 BLE nano with mbed IDE. I tried to set channel so that i can achieve the desired frequency for FCC testing i.e. 2402MHz,2441MHz and 2480MHz .I am...
I am looking at the ble_app_hrs_c example (with the s130 soft device on pca10028 dev board). I have set the m_scan_mode to BLE_WHITELIST_SCAN to enable whitelisting. In the...
I have implement the systick with the idea to use it for delay functions.
The systick is running normal if no BLE Events occur, but during a BLE event it seems to be stopped...
Do conditional breakpoints work in Keil uVision5? I open the Breakpoints window and see:
If I set count to any value, I application still breaks on the first pass. When...
Hi
I have problem make the examples in the SDK 11. I get at "No rule to make target"
C:\konskimo\NYII\Spec\nRF52832\nRF5_SDK_11.0.0_89a8197\examples\peripheral\blink...
Hi,
when using timeslots I cannot turn off the external crystal that causes an higher consumption.
I already read this post and tried to turn off the timer0 (using STOP...
Dear Sir,
I merget (Software Device) + (DFU bootloader) + (Application firmware) into PE280_WS.hex
And use the script <<nrfjprog.exe --program PE280_WS.hex>>
it reported...
