My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hello,
I am using UART_1 in my program to comminicate with other sensor. So the data is read from UART_1 and print to UART_0. Now I want to communicate with other sensor...
Hi, I am using BMD301 chip on my custom board which schematic i have shown below,I need to enable UART as well as nrf_log in my application. For this I am using SDK 15.3 PCA10040...
I am getting small power spikes but cant seem to pinpoint what is causing them.
The smaller spikes in between the transmissions. (The wave is clipped from the top so the...
Hello,
Has there been any success with getting the python bindings for the pc-ble-driver running on openwrt? I've succeeded with the driver itself but not the bindings....
So with the errata in mind the RC oscillator has a accuracy of +/-500 ppm, while the XTAL on the nRF52 DK has a accuracy of +/-20 ppm. During the longest waiting period of...
I have your full eval board as well, I also have multiple NB_IoT sims from Vodafone but have not tried them yet. How do I get your Thingy:91 unit with your sim running please...
Hello,
I want to implement a data logger that will save events in an external flash (even if i think i will start with the FDS). My purpose is to identify some behavior...
Hello,
I am looking to start an independent project this month. One of the tasks will be to use BLE to relay information from a custom PCB board with the nRF52810 chip...
nRF51822
S130
SDK11.0
The power consumption immediately going up high to 1MAH once I enable TWI using this code:
NRF_TWI0->ENABLE = TWI_ENABLE_ENABLE_Enabled << TWI_ENABLE_ENABLE_Pos;...
Hello,
When I added the below lines I get some error:
NRF_BLE_GQ_DEF(m_ble_gatt_queue, /**< BLE GATT Queue instance. */ NRF_SDH_BLE_CENTRAL_LINK_COUNT, NRF_BLE_GQ_QUEUE_SIZE...
Hello,
I have been looking through Nordic's documentation for the nRF9160 and trying to find voltage ranges for several pins but am having no luck. Can someone please answer...
iOS is using queued writes to send data to my nRF52832 application. For some reason, on the third queued write reply (in nrf_ble_qwr.c) sd_ble_gatts_rw_authorize_reply returns...
I'd like to build a prototype using the nrf9160DK that samples audio from a microphone and plays it back. Given that the dev board has Arduino compatible headers, I'm assuming...
