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...
I have recently ported my nRF52832 application from SDK 12.3 to SDK 14.2 and have been disappointed to find that the preripheral is locking up after a period in operation...
Hi,
My product have to pass SRRC certification,but the pre-test is fail. The certification lab need to test RF frequency at 2402MHz, 2441MHz and 2480MHz separately,and the...
I have a nRF9160 DK that I am trying to get on a network. The iBasis sim does not appear to be in the coverage area, the SIM activated, but has not had both LEDs 3 & 4 blinking...
Hi,
I have nRF9160-SICA Modules with me and I designed a custom board for them. I do not have the nRF9160 DK.
I want to know if there is any way to program nRF9160 using...
I have two TIMER instances, TIMER1 and TIMER2, both setup to Clear Mask on timeout (aka restart). I use TIMER1 and PPI to trigger ADC measurements every 5msec. In the ADC...
I've been documenting this issue and asking questions here:
Intermittent device reset in modified ble_app_beacon example
Since I need to post a proprietary schematic,...
Hello,
I was examining the power supply part of the Thingy and I noticed that the charging current is set to 0.5 C, wich is 720 mA (checking XR6804's datasheet it seems...
In order to evaluate the nRF9160 for coming projects, I need to know if it is possible to use Keil as the development platform for the device.
We have a very large codebase...
Hi, May be it's some what basic but I'm not able to update my pwm value. I'm using sdk 14.02 with softdevice in SES. This is my code:
PWM Config:
PWM init:
Update...
fds appears twice in ble_ots:
1. In ble_ots_init:
err_code = fds_init();
2. on_disconnect
err_code = fds_gc();
It does not look like fds is really used in ble_o...
Hello!
I use Segger Embedded Studio. Ubuntu 18.04 I'm trying to build mqtt_publisher project from zephyr samples. And get error: undefined reference to `sys_rand32_get'...
Greetings,
Here are the details:
IDE = SES v4.12
SDK = v15.2.0 and v15.3.0
Hardware = Nordic nRF52 DK (PCA10040 v1.1.1) * 2 and Rigado BMD-300-EVAL * 2 (vB)
I connected...
Can you explain me what I need to do in order to have the esim ? Do I need a physical component ? I am new to this subject if someone can help me a little bit. Thanks
I am trying to measure and characterize expected battery lifetime of my design. I've noticed that as the effective Connection Interval goes up, so does the Rx current peak...
After init I2C channel
#define TWI_INSTANCE_ID 1 // because SPI0 share same reg add with TWI0 we change and enable TWI1
#define MAX_PENDING_TRANSACTIONS 5
NRF_TWI_MNGR_DEF...