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...
Alright, so I am having a lot of trouble generating a valid zip file to update with nRF Toolbox (android).
I used nRFgo Studio to flash dfu_test_app_hrm.hex and dfu_test_bootloader_b...
I got a Tablet running Windows 8.1 with a Bluetooth Module that is able to find my nRF51-DK.
Is there a software I can use to interact with my Bluetooth Services of the...
I am currently developing an IoT device using nRF8001 which needs to report gas concentration obtained from a sensor. I have looked through the standard GATT profiles , and...
Hi,
I am having trouble understanding the new PACK structure in a project, in particular, with the example project dfu_dual_bank_ble_s110_pca10028.uvprojx.
My setup...
Hi,
I would like to know what is the footprint of softdevice S110 v8.0.0.
When i compile the Glucose code example from Nordic it shows a Program Memory utilised as around...
According to the device manager the length in bytes returned by sd_ble_gatts_sys_attr_get() is:
((ATTR_SIZE * (CCCD_COUNT + 1) + CRC) * 4)
When I call sd_ble_gatts_sys_attr_get...
Hi,
I'm trying to program nRF51822 Beacon Kit using nRF51DK. I'm trying to load the example ble_app_beacon to the beacon kit. After uploading SoftDevice 7.1.0, I try to...
Hi
I am trying to change the radio's transmit power in program, but I can't solve it.
I downloaded nRF51822 Beacon v1.1.0. and am testing PCA20006. (Source Code\nrf51_beacon...
Hello,
for my sensor I need to have a delay BEFORE pulling CS high. So I would like to add an argument to the
spi_master_send_recv()
function that give me exactly...
Hello,
I am altering this project: nRF51_SDK_8.0.0_5fc2c3a\examples\ble_peripheral\ble_app_hrs\pca10028
I am trying to turn on the BSP UART. I main.c the project uses...
Hello,
I am using the custom board.
There is 32MHz external oscillator.
So, I implemented like below source code for clock control.
NRF_CLOCK->LFCLKSRC = (CLOCK_HFCLKSTAT_SRC_Xtal...
Hey,
we encounter very strange behaviour when using encryption (without MITM) in conjunction with write without response . If characteristics are unencrypted (open), write...
With ShockBurst activated the PRX receives some of the packets at 7 to 8 meters, and the PTX only receives the ACK at 4 to 5 meters….
The explanation for this is that the...
