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 !
I've seen that the Makefile given with the examples changed a lot between SDK11 and SDK12, lots of improvements ! However there's still something I don't get. Why...
What system resources are required when using GPIOTE channels (not the PORT event, the other channels)?
I remember on the nrf51822 there was a long-running PAN, fixed in...
I programmed nRF51822 with S120 softdevice and ble_app_hrs_c application to scan beacons.
It works fine but have one problem.
It scans beacons for about 10 seconds...
hi,
i am working on ble_app_uart_simple_adc example which is referred from the link github.com/.../nrf51-ADC-examples
i flashed the code successfully. and detecting the...
Running the SDK11 example \examples\peripheral\twi_sensor on a NRF52 PCA10040 version dev board and can't get any output from TWI pins. Leaving pins unconnected and using...
Hi,
I am trying to set up the development tools for the NRF52 on my Mac by following this tutorial aaroneiche.com/.../
I am getting the following error when i try to...
Hi
I want to get external acceleration sensor values with SPIM using easyDMA on the sensor interruption (using GPIOTE). then after getting all data, I want to calculate...
Hello,
I have question, I'm actually developing an Android application and try to update the firmware on a device with a DFU process. It work on every mobile device except...
I am using the nrf51422 with softdevice 5144_2.0.1 ,
I set two network number using the "sd_ant_network_address_set" api , network number 0 for ANT+ cadence/heardrate.. network...
Hello,
I was just checking for differences between SDK v11 and v12, more specifically, the differences in the SPI HAL and driver code.
In hal\nrf_spim.h of the v12 SDK...
Hello, I am trying to write some data to the Nrf52, but all I get is a read only response on my phone. Is there any example how to write to the nrf52 tag?
I'm working on a custom bootloader; below is the step taken but it doesn't workout:
By using a working UART example, change the linker script:
MEMORY
{
FLASH...
Hi guys,
I am trying to use pstorage to store a temperature data inside the ROM. I have to use it as efficiently as possible so that 20.000 erase cycles should be enough...
If I want to set transmit power to -4dB, these are the settings:
command=LE_TRANSMITTER_TEST (this wouldn't be used anyway)
freq=0x3C (meaning: -4dB)
length=2 (meaning...