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...
Hello,
very simple question:
each time i click on the link from the following page, I get an ACCESS DENIED error
infocenter.nordicsemi.com/index.jsp
I know that...
I made some changes in mesh light_switch_client example code and tried to build it in SES, it passed compiling, but stucked at linking:
Building ‘light_switch_client_nrf52832_xxAA_s132_6...
hi..
i merged the two programs twi sensor and uart ... successfully complied
but while debugging i am getting this error
while (m_xfer_done == false)
lm75_mode();...
Hello all,
I have a question about the SAADC of nRF52832.
Now I use the SAADC to measure the some external sensor voltage and the internal VDD voltage.
The sensor connection...
Hello, Excuse me! I used the LFRC,the calibration interval of which is 8s, in my application on NRF52832. In order to measure the power consumption,I want to know the duartion...
Hi,
As well know, nRF52832 can use "16Mhz base-clock to output PWM signal, and it is very simple to create 4Mhz, 2Mhz, 1MHz signal output,
But, If I want to output a...
I'm trying to get a stripped down, simple LED blinking sample to work (like blinky) when building with GCC however main() is never called. I'm guessing I'm either using the...
I'm trying to take a project we had working with only an application, no softdevice or bootloader, and add a bootloader and softdevice, with the application still not requiring...
I am working on nrf5_SDK_for_Mesh_v2.2.0 with nRF5_SDK_15.0.0 and softdevice 6.0.0. I run code on PCA10040 dev boards. I am trying use a timer to send onoff message from a...
Hi Nordic,
Does FDS affect PPI ADC acquisition when writing data? The test found that once the FDS is written to the data, the ADC data returned by the PPI ADC is fixed...
Hello Nordic experts,
I am working with nRF5_SDK_15.2.0_9412b96 SDK.
In example nRF5_SDK_15.2.0_9412b96/examples/ble_peripheral/ble_app_hrs_freertos/main.c I have at line...
Hi all,
The setup that I am aiming for has a number of nodes, which will send the IMU data to a central base station. The communication is achieved using a bunch of nRF24L01...
I keep getting stuck in the TIMER1_IRQHandler function.
When I debug the code, I get to line 20 (exiting interrupt function scope) and then the assembly code hits a nop...
Hello!
I have developed a BLE HID (HOGP) device in Nordic SDK 15.0.0 starting from an example project: ble_app_hids_keyboard .
The HID device that I have developed however...
We have a setup where we want to measure the current consumption of a battery-powered device:
The batteries are soldered to the device, and cannot be removed.
We can...
