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 am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi,
I can't manage with error in secure bootloder (from secure_dfu_ble_s132_pca10040_debug example) on custom board with nRF52832xxaa chip. I got a signature validation error...
Hello.
Nordic Team.
I add for ble Service and i select my service notify enable
I want receive my service number, but service number is different.
Add for my source...
Hello,
Nordic Team.
I don't understand 'ecg cccd_handle number ' 'p_evt_write->handle number' difference.
I add for ECG Service on my bluetooth profile.
ECG Service...
Hello,
In ble_app_uart_c example, I can see sleep_mode_enter() function. I would like to know when this function is called and what it does. I don't want my IC to get into...
I have a binary data file that I would like to program in flash at defined address on a nrf52 device
Which tool do you advise that generate hex intel file format by providing...
Hi guys,
I have a 4 thread freeRTOS setup.
BLE - priority 4
TWI - priority 3
LED - priority 2
Logging - priority 1
After running for some time my code always...
Hi. I'm using nRF52832, SDK13.0.0 as peripheral.
I set the values as below to advertise every 400msec.
......
adv_params.type = BLE_GAP_ADV_TYPE_ADV_IND;
adv_params...
I have two characteristics inside a same service - one characteristics notifies periodically and another on demand. I call sd_ble_gatts_hvx to send notifications with appropriate...
Hi all,
I got strange behavior: when I disable the SoftDevice (nRF52832, S132 V3.0, SDK 12.2) seem that ALL the RTCs, not just the one used by the SD, are stopped, and...
Hi.
I got the ble_app_beacon example to enter System On low-power mode (and operate in the 1 to 2 microamp range except when broadcasting). And I also got that example...
Rather than using previous timeslot examples for esb and ble multiprotcol, can we manaully switch between both protocol, what kind of process need to switch from ble to esb...
Hello,
I am building a project that required pwm drivers and BLE UART. I started by using peripheral ble uart example in SDK 12 and adding the pwm driver source file from...
I'm in need of some help with connecting to the Thingy 52 when using Windows 10, in this case Windows 10 Pro. I've tried Google Chrome and Opera.
If that helps, I have...
Hi,
I'm using sdk14.2 peripheral examples fds and fstorage in an attempt to test flash storage persistance (with softdevice present).
The two examples are quite intuitive...
Is there any way to invert the PWM behaviour easily? I'm trying to develop firmware that will run on the DK52 (LED active high) and my custom board (LED active low).
I...
