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 am trying to implement the ANT+ Environment Profile using the nRF51 DK and I was wondering if anyone had done this and could point me in the right direction to start. I...
how to synchronize multiple NRF52 them?
Should I use a router? What route do you recommend for development?
Otherwise many people tell me that the Bluetooth has a very...
Hi all,
I create 4 timer in APP, and there seem only one timer (work in single shot mode) can not trigger by right ticks.
I add some log and find that:
First I...
Noticed in ant_parameters.h
#define MAX_ANT_CHANNELS ((uint8_t)15)
First question: is this correct for nRF51?
Second question: is nRF51 going to support 15 channels...
Sorry for the newbie question -- I am new to programming microcontrollers.
I would like to know if it is possible to program the nRF24LU1+ to behave like a USB host? I...
Hi!
Is this correct scenario to minimize battery usage for radio tag transmitting 8 byte packets at 3 Hz?:
setup:
turn LFCLKSRC on with CLOCK_LFCLKSRC_SRC_Xtal...
Hi all, i am trying to start using the smart beacon kit nRF51822, but searching around i am a bit confused on how to flash the most recent softdevice with sdk on it; i followed...
I'd like to do the same thing :
how to use dm_device_delete
nRF51822 S110 v8.0.0
nRF51 SDK v10.0.0
DEVICE_MANAGER_MAX_BONDS=2
I test Nexus5, Nexus7, iPad...
I want to read and write RAM (target=nRF51822) from a custom C application while the CPU is running.
Now, I can do this using the nrfjprog.dll and I get the expected values...
Hey guys,
I'm working with a nordic nrf5182 and s130. What I need is to put the system in sleep mode after a reset. The main problem is with function sd_power_system_off...
hi,I have to question about ADC,please help me ,thank you very much!
I joined on the ADC input pin an adjustable resistance, to change the voltage value.Why change the...
Dear Sir:
I have designed my board with nRF24LU1+, and I want to debug it through ULINK2 JTAG.
However, it seems not working.
Would you please share me with some ideas...
Hi, I have PCA100040 development board. I need to create two simple ble application. One for central and one for peripheral.
How can I do this?
Can anyone suggest...
