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...
Is the nRF Temp App source code available for download?
I am currently developing an ultra-low non-connectable beacon and would like to use the nRF app as a starting point...
I guess all the Bluetooth members saw the email from the SIG about the next version of Bluetooth and how it is confirmed to have double the range, quadruple the speed and...
I'm looking at table 23.15.2 in the nRF5 Reference Manual, and it states that TX startup current is 4mA with the DC-DC enabled.
Does that 4mA include the CPU idling...
My project: nRF51422, S110, based on SDK 7.1.
My project employs several application timers (run via the scheduler) and a continuously running Timer1-based 1ms timestamp...
Hello again,
i wanna use the UART communication for transfering data from my µc to the nrf51 and vice versa.
For a test i used the ble_app_uart example and it works...
Hi,
I programmed my NRF51 to read ADC samples and I trying to transmit the information to a dongle. So far I have been able to send the hexadecimal values of the recorded...
Heyho!
Is it possible to set the PWM base clock frequency to 40kHz? If so, how? I see that the predefined base clock frequencies don't go any lower than 125kHz.
I'm...
Hello everyone, I am program for PCA10001 and I want to use Bootloader to upgrade firmware through OTA for my device. I have a old file bootloader use for s110, and I tried...
Hey,
I would like to send data from Central to Peripheral. I follow by ble_app_uart example, however I need to send a float type variable, so I split it to the total and...
I have 2 identical nrf52832 development boards with PCA10040 V1.1.0. One is running the ble_ant_app_hrm example from the nRF5_SDK_11.0.0_89a8197. This example appears to run...
Hello,
I'm developing a product using nRF51822 which is intended to work with iPhones (only iPhones for now; iPod/iPad and Android later).
I need some kind of document...
Hello,
I'm trying to recreate the PWM_library example from the v.11 SDK in a new file in Keil. I have compared the debug settings in my project to the debug settings to...
Hi there,
I am following the thread to use JlinkExe and JlinkRTTClient. I encountered a situation which i don't understand.
After running JlinkExe (go to the folder...
Hello,
I am trying to remake an nrf52 project in Keil and ran into a problem regarding stdint.h. There is already an "include <stdint.h>" statement and Keil has not reported...
