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,
I'm using 51822 QFAC SDK11 S130. The 51822 will receive a group of 18 bytes data from the phone. I'm facing a strange issue: every time after the BLE is connected, I...
Trying to run the experimental nfc pairing reference on a couple of 840 DKs for Bluetooth pairing as it's shipped in SDK 17.
Successfully compiled the micro-ecc make files...
Hi,
I get sporadic softdevice assertions at the address above. I am using S132, SDK15.2.0 on nRF 52832 custom board, and the problem started when I added LoRaWAN functionality...
Hi,
Recently, we were trying to support the HID device OTA function.
We have make an user control panel which could read the device FW version via driver which communicate...
I am starting with the Zephyr sample "peripheral": developer.nordicsemi.com/.../README.html
This sample started out with a Heartrate Sensor Service and a Current Time Service...
Hi,
Just a general question, is there a way to find out the exact size of the advertising packet? I'm using nRF52832 to connect to a smart phone. I was curious if there...
Hello, I try to read from IM69D130 (as microphone) by nRF52832 (SDK 16) , And I work with PDM driver of nRF52. It seems it cannot read the data correctly. Here is my function...
Hi! Reading the documentation on NRF_PWR_MGMT_CONFIG_DEBUG_PIN_ENABLED, I'm left with a few questions.
1. Will this pin be set in all system sleep states? i.e System on...
Hello Everyone.
I'm getting falls values on the power profiler, I just connected a 1K resistor across the External DUT and the voltage is 3.6V so expected values should...
Hello Everyone,
I have done I2C communication with Grid Eye sensor (AMG 8832) using twi_master_with_twis_slave (nRF5_SDK_12.3.0_d7731ad) example program. Now i want to transmit...
When I tried to set up my J-Link Flash connection it gave me the message "Unexpected core ID.
First Dev Board R0.5 was normal. and marking of nRF52840 chip was QIAAD0 ,...
Hi,
On nRF52840, we are able to engage APPROTECT by setting NRF_UICR-> APPROTECT to 0. However, writing 0xFF to NRF_UICR-> APPROTECT does not seem to disengage APPROTECT...
If you call nrf_serial_write() once to transmit some data, and before the data from this first call is transmitted, you call nrf_serial_write() again, will the NRF_SERIAL_EVENT_TX_DONE...
