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 there:
I found a strange phonomenon about consumption betweeen advtisement and gpio17 of 51822.
When I start ble adv while setting gpio17 to input disconnected mode with...
Hi, possibly a bit of a stupid question but here we go:
I'm developing a prototype system, which includes my own design of sensor modules that transmit their data via nrf24l01...
Hi, Nordic
I know when I program one BLE app, softdevice should be needed.
If I program esb/gazell app, softdevice is not needed.
I want to know, when I program one...
Hi, Nordic
I want to add BLE DFU service in my own app, so that the nRF52 can operate BLE DFU.
I only modify 2 places:
static void services_init(void) --> init ble_dfu_init_t...
Hi，Nordic
I am working for BLE_DFU, on SDK 12.1 and SoftDevice s132.
I checked, I should add below code in ble_dfu.c
char_md.char_props.write = 1;
Then I added...
Hi, Nordic
I check SDK13.0 bootloader_secure sample, it do not work
nrfjprog download bootloader_secure
use nRF Connect app in Android mobile phone to...
Howdy!
I have to admit that after about 2 weekes of fight i finally made some progress with NRF51. Afterall i can upload my own program to chip so it changes leds on NRF51...
I get an error when trying to pair to a peripheral in nRF connect v1.0 on Linux.
I have two nRF-DK v1.1.0 (pca10040), one is the adapter that is connected to nRF Connect...
After flashing softdevice, the ble_advertising_evt_handler_t doesn't get called, only after flashing the program for the 4th time.
/**@brief Function for initializing advertising...
When I connect the nordic ID stix to my android tablet using the micro-USB to USB cable, the nordic ID stix doesn't appear green light on it. Is it need to install any driver...
I would like to dynamically change bluetooth LE advertising interval. I am using nRF51 and nRF52, with SDK's 8 and 12. Is that possible and how to do it?
Our application...
Good day everyone,
I would like to utilise the nRF52832 BLE chip in an application that requires radio communication between a master and slave. The slave needs to be powered...
Hi everyone,
I am using LPCOMP in rFF58122.
When coosing the reference voltage, I have to fill the structure nrf_drv_lpcomp_config_t with the hal nrf_lpcomp_config_t that...
Hello, I try to add TWI function in my project (uVision5) so I add this modules with 'Manage Run-time Environement':
nrf_drv_twi
nrf_twi
app_twi
and I get...
hi
I have a problem in integrating a 1.8V GSM modem with nRF52832 through UART. nRF52832 supplied with 3.3V and there is a voltage divider that covert 3.3V to 1.8V in the...
