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,
I'm using several gpiote interrupts in SDK 12.0.1.
I want to know the max number of low power input pins.
My configuration in sdk_config.h is like below.
thanks...
Hi,
I need to read more than 3 or 4 Bluetooth Heart Rate Sensors (like chest strap, arm band, and so on)... I need to do this using Arduino and some library.
Could someone...
I'm using the ble_app_hrs_adc_battery_measurement example ADC code in my project
However, I don't understand what these lines do
github.com/.../main.c
As far as I...
I am trying to add spi communication to the twi_master_with_twis_slave project because I need to communicate with two different sensors. I have included nrf_drv_spi.h and...
Hi,
in the NRF52832 documentation the TX chain delay is 0.6 µs while the RX chain delay is 9.4µs.
Does that mean if transmitting two packets in a row to the same receiver...
Hello everyone,
I have been using nrf52 IoT SDK for MQTT implementation. Everything works fine as long as I am publishing or receiving only one character i.e.
param...
In Bluetooth Spec (CoreV5.0, Vol6, Chepter6, Section1) it is mentioned that the random private address is generated periodically by a timer handler. I could not find any mention...
1.specification says that we should trigger EP0STATUS task to initiate the status stage for control transfer(read/write).
actually nrf52840 will auto ack the OUT TOKEN...
In Eddystone example in SDK 12.2.0, APP_MAX_ADV_SLOTS parameter is by default 5, but if I try to use less than 5, an error appears in es_flash.c because in the code, 5 slots...
hello there i want to scan particular device. so i am using whitelist. i change in hear_rate center code. but its not working. other unwanted devices are also scanned. i am...
Hi,
We are working with the nrf51822 on mBed platform
We have created the following profile under deviceinformationservices
in main.c
uint8_t DataCounter = 100;...
Hi there!
I found out that there is some problem in the example ble_app_hrs_rscs_relay in nRF5_SDK_11.0.0_89a8197. I want to restart advertising when adv timeout. I did as...
I'm trying to use app_timer_cnt_get() to implement an RTC Calendar system on a Gigawit module (nRF51822).
I have a test app_timer that has presacler=0 and period=3 seconds...
This is no a question, but i was not sure where to post it.
I was trying to use the nrfjprog command with the new version of SEGGER JLink, but the terminal output was ...
Hi! I'm trying to work with the beacon kit, but I have some confusion about which type of sdk I can use because with some example that I have found it doesn't work.
Besides...
