I try to get the one button sample to work. There were several details missing to be able to compile and run this sample, which was very frustrating. After editing/updating...
Hi, I'm developing a keyboard-pcb with NRF52840. I'm doing this as a hobby and are not that experienced with integrated circuits. Anyway, I designed and produced a pcb, but...
Hello,
in cases where the LTE signal strength is extremely low, we observed that the LwM2M /4/0/2 RSRP rolls over from -128 to 127. We found that the nRF Connect SDK uses...
The at command documentation says that ENVEVAL is only available in system mode 2 (CFUN=2). Is there a reason why the command can't be run in any other mode? For example if...
I recently completed a field-upgrade path from an nRF5 SDK 17.1 application (with the legacy Secure DFU bootloader) to a fresh NCS-based firmware stack, while preserving user...
Hi, I am trying to understand the Friend and LPN behaviour. For that I am refering to nRF sample application light" and "light_switch". Below is the setup details: 1. On one...
I have read many times about how BT LE allows devices to run for more than a year on a coin cell.
However, the least current consumption I can obtain while connected is around...
Hello,
We are developing a system using a receiver nRF unit, and multiple transmitter nRF units. The transmitters use the proprietary radio protocol (not bluetooth LE)...
Hello,
I am trying to flash an application onto nRF8122 from an android mobile using the Nordic app. After pressing the DFU button, the programming fails giving a pop as...
I've been looking for information on GCC support for the DFU bootloader examples in SDK v7.2.0 for the BLE Dongle board(PCA10031) but unfortunately there's nothing in the...
Hi
I'm testing the nRF Toolbox for Android. But I get this error when I try to connect using the proximity feature:
I'm using the nrf51822 EK with the s110 ble_app_proximity...
Hi Nordic Guy,
I'm trying to fine tune my connection parameters for better battery life, while at the same time trying to keep them within Apple's guideline. I notice in...
Hello guys, I'm going to start programming for nRF51822 and I want to ask you something.
I'm going to start coding for mbed HRM1017 which is the simplest eval board I found...
I'm attempting to use a custom UUID as outlined in nAN-36. I get an error (NRF_ERROR_DATA_SIZE) when I call ble_advdata_set . Specifically:
ble_advdata.c::uuid_list_encode...
I have a bluetooth hub (NRF51) as central and a wearable device (NRF51) as peripheral. What I need is that as soon as a smartphone enters the range the peripheral let's go...
Hello,
I'm redrawing and routing my own PCB for nRF81x22. I take the details from pca10028 files.
My question: Can I route the PCB with only 2 layers?? I have seen only...
Hello,
I had to use sd_ble_gap_address_set() to make sure, that a bootloader running on the same device will not be cached on OS/X:
static const ble_gap_addr_t gap_addr...
This may be a newbie question, but it had puzzled me for a while now.
Looking at the PCA10031's schematics i can see two leds been used.
LD2 i can figure out. Datasheet...
MQTT Example in the IoT SDK compiles with size bigger than available 160KB Program space?!! Is this correct as I can't flash with the IoT SoftDevice on it.
The drive level of the nRF51822 is specified as 1µW, whereas the EPSON crystal suggested in the BOM for the EK boards PCA10000 and PCA10001 is specified for just 0.5µW (with...
