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 getting values properly, if i set 250 samples per second. but if i set 1000 samples (1ms), i can not get values after some moments. it is showing time out error...
Hi,
In preparation for FOTA which would double the flash space requirement, I noticed the Region Size for FLASH is only 429568 and I would have assumed it was the 1MB advertised...
I am trying to connect my thingy91 and preform an MCUBoot. This is not working and i get the following error code: Errorcode: CouldNotCallFunction (0x9) Lowlevel error: INVALID_OPERATION...
Excuse me, I use BSP_EVENT_KEY_0 to get into the sleep mode, however, it will go to the NRF_BREAKPOINT_COND and then reset the device;.
case BSP_EVENT_KEY_0:
SEGGER_RTT_printf...
I have developed data loggers based on nrf52840,it uses nus service,max payload is of 240 bytes,the device stores 30kb data in a spi memory.we have a custom built android...
Dear community, as already mentioned here https://devzone.nordicsemi.com/f/nordic-q-a/30622/nrf_cal_set_time-setting-issue-for-2100-year/121167 Im wondering how do you deal...
Hello. I need to calculate the RSSI value from the module nRF9160. I am using the nRF9160 DK 0.8.2. From the AT reference guide, there are two commands: AT+CESQ and AT+CSQ...
The new Bluetooth specification 5.2 will support transmission of audio data in a so called isosynchronous burst mode to external, BLE capable speakers, opening up a long asked...
Hi,
We are having some issues with the values obtained via ADC readings. We have a few designs using the nRF52840 where the analog reads from sensors are not stable. To...
Hi,
We used nRF52840 Dongle to receive BLE peripheral device 240Bytes notification. The connectivity that "Bluttooth low energy" (nRF connect) programmed can received 240Bytes...
Hi,
I am using NRF52810 controller, The power consumption of my board in SLEEP MODE is 200uA . According to datasheet the ideal current in sleep mode is 3 uA.
In advertising...
Hi,
I use SDK16 ble sec-bootloader and merged application image together followed by the guide of the website
unfortunalately , after flahsing fw_all_s140.hex to device...
Hello,
Question regarding GPS power consumption numbers in the nRF9160 data sheet (V2.0)
Section 5.2.1.16 GPS Current Consumption:
Are the current consumption numbers...
Hi,
I would used a RTC calendar (Years, month, day, hour, minute, second).
The smartphone connect to the nrf51822 and updates the date and time.
The nRF51822 must perform...
Hi,
Is it safe to call nrfx_spim_init() multiple times with and without a handler without calling uninit() in between?
I have an SPI device that needs a sequence of steps...
