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...
I am trying to figure out if I need to disable the softdevice to get the power numbers in to the single-digit uA range.
With the softdevice loaded/enabled, but with the...
I'm developing nRF52832 to implement the Eddystone (※ 1).
But i'm thinking seriously about what can I do to have the Eddystone Specification and compatibility.
please...
I am working with the ble_app_buttonless_dfu example and am wondering why the example sends 2 notification messages in response to a command being written to it? This occurs...
Hello,
I'm using nRF51, SDK10, S110 beacon example with dfu service.
What I have done are listed as below:
merged softdevice8.0 and bootloader to sd_bl.hex and...
hi,
in FreeRTOSConfig.h file,
#define configUSE_TICKLESS_IDLE 1
#define configUSE_IDLE_HOOK 1
and the idlehook function
void vApplicationIdleHook( void )
{
__WFI;...
I have got PCA10040 development board having nRF52832 nordic ble chip. I am not able to get datasheet for this. I have to use SPI communication on this board but I am confused...
Hai i am new embedded designer.. I am working with nrf52832 , i need to get accelerometer and gyroscope data from mpu6050 through twi.. Can any one give me a sample code ...
I am trying to wake my processor from sleep after issuing the sd_app_evt_wait(); Using an interrupt on an external RTC chip, I send interrupt pulses to the nRF at 1Hz. At...
Hi guys,
I have two nrF51 dongles and I am really interested in making the pairing of both of them using the proximity search feature of ANT. So far what I did is, I took...
Hi.
I have a BLE peripheral app for the nRF51822. I'm using SDK 12.1.0 with SD 130 v2.0.1 and gcc. I'm implementing DFU OTA at the moment and I notice there are two builds...
Hi,
I have an old project running on nRF51822, with SoftDevice SDK v8 - S110 mode.
I'm trying to migrate the project to a nRF52832 with SoftDevice SDV v12 - S132 v3 mode...
I have a question about Makefile template used in all samples in SDK12.x
What is the sense of:
$(foreach target, $(TARGETS), $(call define_target, $(target)))
-include...
Hello,
I am facing many communication error with code 1 when using the UART.
Everything is working fine until my client reads long characteristics (in my case it is about...