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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
I am trying to flash TCP-Server example from IOT SDK from Eclipse.
Project builds without errors.
But I am getting this warning message in Eclipse console when I flash to...
s130, nRF5_SDK_12.1.0_0d23e2a, SoftDevice 8_9_0.
I want to use the Central Glucose Service, how do i modify the "ble_central/ble_app_hrs_c" example code?
int main(void...
I wanted to use MQTT example with nrf52 DK board.
and I uploaded MQTT firmware which is located MQTT example folder in iot SDK.
www.youtube.com/watch
I tried to follow...
Hi,
I want to implement handler for undefined instruction fault. According to Cortex M4 documentation (ARM DUI 0553A subchapter 2.3.2 "Exception types") this fault leads...
Hi everyone,
I've been experimenting compiling my project with Clang and have run into some issues with the supervisor calls and their wrapper in nrf_svc.h.
Without...
Hi,
I want to implement simple module:
gpiote event on pin change (around 6.7MHz signal)
Route gpiote event through PPI to increment counter
Toggle GPIO pin...
According to the documentation, the function sd_ble_gatts_exchange_mtu_reply() can return NRF_ERROR_BUSY , which would require the application to somehow defer the call to...
Hi,
I am attempting to run the examples of BLE HRS C and BLE HRS Peripherals from the SDK. Getting to the connected state works (discovery and notifications as well) just...
I noticed that the ram setting in this example is from 0x20003440, this means only less than 1KB is for application. But the example in sdk 12.1 the ram is from 20002078....
We want to use IoT SDK where two or more nRF52 chips would talk to each other via 6lowpan, in that case is the ble enabled router necessary for such communication?
I have an nrf51822AC chip connected to another ARM based processor which provides a CAN interface. The two are connected via the UART and we are using the ble_connectivity...
Hi, in the current project I'm working on, I need to develop an Eddystone beacon with UID and TLM frames configured by default. Based on the experimental_eddystone example...
Hi, Nordic
I need write some information to flash, then power off and power on, nRF52 still can read previous information. But now, nRF52 can not read, maybe ESB is still...
