I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
Hi,
I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that
nRF-52 chips will get arduino IDE support as standalone. I want...
Hi!
I've been using PCA10028 for a long time and I had some bricking issues but I've managed to un-brick it with "nrfjprog --recover" and everything would work again. ...
I want to build nrftoolbox app in android studio. I downloaded the zip file from the github website and also the required dfu library. I unzipped both the files in a folder...
Hi there,
We're looking at doing something with beacons so that we can make use of the way iOS handles scans for them in the background differently to other peripherals...
The debugger does not work with the latest GNU toolchain for ARM Cortex-M build. It throws the following error on Eclipse:
Could not determine GDB version after sending...
GPIOTE Library makes my Board(nRF51422-QFAC) Brick??
I just build my nRF51422 Board, and It's pretty working well before I've used GPIOTE Library.
Before using GPIOTE...
Hi everyone,
I am seeing an issue where the SPI (master) ignores the first byte of RX buff and begins storing the received bytes from RxBuff[1] instead of RxBuff[0]. In...
Does anyone know if there is any documentation of nrf51822's current consumption? Perhaps, something similar to CC254x's Application Note . I'm mostly interested in the current...
Hello,
I would like to build two boards that can send small messages between them, at long distance. For that I would like to use some of your devices (I used 51822 in...
Hi
I have working module which communicates via uart with another module. It works good, unless it is heated to 40C. After that temperature UART communication is not correct...
Hi Engineers!
We made our own ten (10) PCB's with nRF52840 MCU onboard fully according to "Circuit configuration no. 3":
1. LDO only mode (VDDH connected to VDD connected...
I have a custom circuit with nrf52832 which I am trying to program.
All i/o pins seem to be working fine except pins P0.06 - P0.10.
I'm testing it with mbed (digitalout...
Hi,
Thanks for taking the time looking into issue.
We are using Keil uVision 5.14.
Our target is a custom board (BMD200 eval Module based on nRF51822)
We were able to...
Hei guys,
for a new custom board based on nrf52832 where i have to minimize power:
have an external Li-Po battery, with a cutoff @3.0v, so the range will be 4.2v...
blesc_pairing_dhkey_check_failed.zip
Hello,
I used the example ble_app_multirole_lesc and paired with nRF Connect app. However I got the error message (in Bluetooth...
Hi!
So I have my GATT value of a service that I would like to update.
Sadly that value always stays at the initial value.
Below you can find my update function.
uint32_t...
I am using SDK12.0.0. ble_app_uart example, and I have change the clock to using LFCLK RC. I know from nRF51822-PAN_v3.1.pdf that we need to calibrate the LFCLK RC after reset...