hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hello everyone,
I use SDK14.2 and s132 softdevice. I can read "NRF_SAADC_INPUT_AIN0" and "NRF_SAADC_INPUT_VDD" pins and system is working properly.
Working Code like...
Dear friends,
I am using the nRF 52832, s132. I want to know the BER (bit error rate) of the BLE link. How can i measure it? Further, to what extent do other radio interferences...
Hi.
I want to know the time difference between functions by using a timer instead of a difference. I've looked at app_timer.h, but it's hard to understand.
I do not need...
I am trying to use the ADC to take power measurements on an interval. I found an example to read the values out online:
void ADC_IRQHandler() { nrf_adc_conversion_event_clean...
I am designing a PCB using the NRF52832 and this antenna . The antenna design guidelines suggest ground clearance and direct traces from the NRF52832 to the antenna without...
I am working on a project which I wish to Paer between to nRF51422 devices and to use the auto reconnect between them. there won't be any display so it must be automatically...
Hi,
is it necessary to use internal regulator for NFC DC/DC or we can use normal internal LDO in design.
also if we need to use internal DC/DC regulator, what is the...
Hi, I have tried to find a solution for some time now in the Nordic Semiconductor forms.
We have been noticing a peak or a disturbance in voltage in every connection interval...
I have encountered a scenario in which my application is terminating the BLE connection via a call to sd_ble_gap_disconnect, while around the same time I receive a write request...
I'm able to successfully use peripheral/uart example to read the data from GPS module. I achieved the same by setting baud rate to 4800, and connecting rx and tx of GPS to...
Hi,
Question about FOTA (firmaware upgrade over the air).
I know that nrf52832 has 512 kB of flash, and the ble stack( softdevice ) has 136 kB , and the bootloader has...
Hi,
I put my NRF52 to sleep (POWER OFF mode) and configure it to wake on GPIO port event like so:
This GPIO is set up on a reed switch. Occasionally, the NRF52 will...
Hi
I found a strange issue on nrf52832. And I use nRF5-SDK-v13.1.0 .
When I assignment P0.7->SCL & P0.6->SDA, the twi function not working. But I change the assignment...