Hi,
I noticed in the nRF54L QFN48 reference design, for the NRESET pin, there is an RC filter (1Kohm series R and 3.9pF shunt cap). What's this for and is it necessary?...
Hello,
I am using a nrf5340 dev kit. When I use SPIM the output from the pins gives the correct hex values but the output's amplitude is only around 100-200 mV. I know that...
Hi,
I'm using the nRF52840 with the SoftDevice for BLE. In my system, it's primarily a BLE transceiver controlled via SPI by an external TI MSP430. We're considering implementing...
Hello,
I want to request AGNSS information from nrf cloud services using my nRF9151DK board. As a first step, I flashed the nRF Cloud multi-service application onto my DK...
Hi,
I'm using cdc_acm to create two COM ports on a PC -
// USB support
& zephyr_udc0 {
cdc_acm_uart0: cdc_acm_uart0 {
compatible = "zephyr,cdc-acm-uart" ;
...
Hi,
We are having issues with this part bridging on our via-in-pads. We are using 2oz finished outer layer copper.
Do you have any footprint recommendations for 2oz copper...
Hello,
I'm looking for guidance and understanding of how to properly use the KMU and ITS for secure key storage of a key generated on device.
I see that typical ITS use...
Hi,
I'm testing new nRF51822 Beacon v1.1.0 dedicated for smart beacon kit (pca20006). I'm using Master Control Panel Android app version 2.0.3 and Nexus 5 with the latest...
No text. It's a really short question.
So this is a simple example:
NRF_ADC->CONFIG = (ADC_CONFIG_RES_8bit << ADC_CONFIG_RES_Pos) |
(ADC_CONFIG_INPSEL_SupplyOneThirdPrescaling...
Hello, I've just purchased an nRF51 DK and installed the SDK. I have Keil uVision 5 installed from a previous project, with a "Freescale Only" license key. This seems to be...
When i google for power consumption 433mhz 2,4ghz and similar most results tell me that 433MHz consumes less power... but when I look at specifications of explicit chips/modules...
I am trying to do a simple UART test with nRF51822 without BLE functionality. The code is a simplified version of the UART example in nRF51 SDK, and can be found here . It...
Hi,
I just wanted to try out the DFU on the Android app to see if I can successfully update the application on the beacon. For that, I only uploaded the precompiled nrf51822_beacon_app...
Using Blend Micro (Arduino Uno + nRF8001) to gather environmental sensor data and send to mobile via notifications. Here's my main loop:
void loop()
{
aci_loop();
...
Hello,
I know I have seen the topic on the forum, but can not find it. What changes need to be done to a example project designed for a softdevice 110 to convert it to...
The s310_nrf51422 migration document states:
Due to an issue present in this release, the application is required to set the device address to the factory default right...
Hi,
I was just wondering what the sequence of events would be in the following scenario:
A S110 peripheral device (GATT server) has a characteristic with write access...
Hi all,
I've spent 4 days now (!!) on getting a "Hello World" project to work in eclipse with GCC. I guess something around the startup-code is setup wrong in my very simple...
Hello, I'm using nRF51822-mKIT for a research.
To verify ADC readings from analog input, I've connected P0_5 to GND and ran the following code:
uint16_t adc_result;...
For my project I would like to use this bluetooth module: freqchina.en.alibaba.com/.../Fingertip_size_nRF51822_Module_Ultra_Low_Power_Bluetooth_4_0_Low_Energy_RF_Module.html...
I am trying to connect to a peripheral through s120 central and vendor has a 128 bit fixed UUID
I am trying to add it on central using sd_ble_uuid_vs_add(...,...) but it...
