How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
Hi all,
I have been learning and doing research trying to estimate the range of a bluetooth chip. So far I've got to use Friis Transmission Equation to estimate the distance...
Hi, dear all:
I’m trying to use usbd_msc example(nrf 52840 DK/sdk 17.0.2 ) and written a string A (8 bytes) into a .txt file；
Now I want write the same file another string...
Hi,
I've recently added BT to my application and switched from S210 to S310 Softdevice. My Ant+ part is based on the HR RX example in SDK10. My BT part is basically copied...
Hello Everyone, I am generating firmware hash using an hash function provided by an external library and using CODE_START and CODE_SIZE macros in app_util.h , So i wanted...
Hi,
We are currently testing the zigbee_light example for nrf52840dk. Once in the debug stage, if we pause program execution and then resume it we find out that codes gets...
Windows 10
nrfjprog version 10.10.0
jlink mini - connected to Windows 10 USB port, try to run any nrfjprog command and it says there is no debugger connected to PC.
...
EDIT: I incorrectly reported the Secure Bootloader pca10040_s132_ble_debug .hex file included in SDK 16.0.0 wrote to addresses in the mbr_params_page, I have since identified...
Hi,
I am using ncs 1.5.0 and modem firmware version 1.2.3.
if I keep CONFIG_HEAP_MEM_POOL_SIZE=8192 then my application runs without any issue but
If I set CONFIG_HEAP_MEM_POOL_SIZE...
Hello,
We are implementing NFC functionality on our product. Specifically we're using the Type 4 Tag (Read/Write). Are there any compatible NFC reader/writer modules? I...
In my product I use certain GPIO pins configured as input with the pull up activated to act as sense inputs connected to momentary switches to control the application firmware...
Hi all
I have developed a project on the nRF51-DK board based on the proprietary RF protocol.
Now I have a custom PCB board always with an nRF51822 but only equipped with...
Hi, im running the sdk version 1.3.2 and Im experencing a system crash after calling
spm_request_random_number after the 4th or 5th time
I've already done some research...
Hi i was trying to use simple mqtt sample provided as example with location " ncs/nrf/samples/nrf9160/mqtt_simple" the code was build and run but during lte connection it...
