Hi,
I am getting randomly incorrect SOC reported by pmic npm1300. For most days, it reports correct SOC but then all of a sudden it starts to report incorrect SOC even though...
Hi,
I recently found out about the Periodic interval feature on GRTC CC[0] and it seems like it would be quite useful for my application. Most of my code so far uses the...
I found some examples on dev zone how to read RSSI during connected state:
Function report RSSI but as a positive value around 230. How to recalculate it to dB. I see...
Hi,
I have integrated Neuton’s “Transport Type Detection” pre-trained model into my firmware, running on a nRF52840dk. For collecting 9-axis IMU data, I’m using the ST X...
I'm trying to implement a fall detection feature on the headset side using the LSM6DSOX IMU sensor. The IMU is configured successfully, but the board halts after the INT1...
I am using the S312 protocol stack on nrf52810, with both BLE and ANT+enabled, to transmit heart rate. It can be used on most devices, but it is difficult to connect to 'wahoo...
I have a ready hogp struct and I'm trying to subscribe to an input notification (I'm connecting to a bluetooth keyboard) and I'm getting error -22. Here's the callback in...
Hello Everyone
I have designed the schematics for my prototype but i have a question for impedance matching can anyone verify my technical doubt
I had put a 2.45GHz...
We are using nrf51822 for products of our company. We use mbed + nRF51822 driver + BLE_API for the BLE peripheral devices. The softdevice is s130 ver 1.0.0.
I create an...
Can the nRF51X22 be paired with an iPhone to communicate (both ways) using regular BLE and emit a beacon signal at the same time? In fact, I'm looking to change the beacon...
So I suspect there is a very simple answer to this, but a couple days of much reading and searching haven't led me to a very clear answer.
My setup: Galaxy S3 (Android...
I'm trying to move data over the uart characteristic. I followed the guidelines here devzone.nordicsemi.com/.../
In the main loop I am calling sd_ble_gatts_hvx until it...
I'm working with an nrf51822 with the s110 softdevice. So I'm trying to read an analog signal from multiple pins. My program will run fine for quite some time. Eventually...
Hey guys,
I need to record many time interval ?, can i generate system time and use it to record all of my time intervals?
If I want to send all of the time intervals...
The gcc compiler is gcc-arm-none-eabi-4_9-2015q2.
The make version is GNU Make 4.0 (Build for arm-unknown-linux-gnueabihf).
The error message is:
... arm-none-eabi...
So I'm using the spi_master.c from SDK 6.1 to communicate with an LCD driver. I'm using an nrf51822 with s110 softdevice. My system has been sporadically hardfaulting on me...
Hello all,
I have found closed topics here with similar names ( devzone.nordicsemi.com/.../ etc.) but my question is about adding the characteristic with encryption.
My...
Hi,
I'm trying to transition my application from SDK 7.2.0 to SDK_9.0.0 and am having some issues when including ble_advdata.h compiling with gcc:
In file included from...
Hello,
I know I'm not supposed to use TIMER1 with IRQ 0 when using a SoftDevice but I want to try anyway :) I want to do some bit banging with timing that is timing sensitive...
I am trying to program custom boards with the NRF51822 using an ARM-Flasher with no success. Using J-Flash I can connect to the device properly, program and verify the hex...
What could be the reason for?
Couldn't find any error descriptions.
Using Laird BL620US with newest FW v12.4.14
Error occurs as a response to 'scan start 1000 0 0'...
According to the *.map file the .bss (RAM) usage for my Application is 0x16b8 or 5816 bytes. This is obviously a very high RAM Application, likely due to the abundance of...