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...
Not a question but thought worth mentioning.
developer.nordicsemi.com/.../
Good News
PWM library changes seems to have made it into the release.
Bad news:
Looks...
Hello,
I am working on an nRF51822 custom board application which is reading data from external sensor through TWI. It is based on the MPU6050 driver available in the SDK...
Hi there,
Before I asked this question, I have searched similar question about TWI example, but it seems there were some guys looking for such example as well. Not sure...
Hello
I try make a firmware update with nrf toolbox for iOS and i have a popup with "Please enable Service Changed Indication in your firmware".
In code, I have an error...
while I'm trying to compile my code, I got an error :
".\Objects\ble_firmware_v1.axf: Error: L6405E: No .ANY selector matches main.o(i.app_error_handler). "
this error...
I wonder if GPIO could safely be used for byte writes to the OUT port.
I have an 8bit (+control signals) peripheral connected to the GPIO and so far I was doing read-modify...
I will be using a 3.7V LiPo to power my NRF52 system. As far I understand, using the internal DCDC regulator is a better choice as it can save power compared to internal LDO...
I am running the UART example with the S110 softdevice on nrf51822. Sometimes my application transmits more data than can be carried and backs up. So the main thread's transmitter...
Not really a question, but congratulations to Nordic on getting their chip onto the Micro:bit(is it the nRF51 or the new nRF52?). Looks like a cool device. I'll be hanging...
Hi,
I want to change the device name before advertising. But it looks like I cannot open the adv pipe.
I have set writeable device name both from air and from application...
Hello
I try make a firmware update with nrf toolbox for iOS and i have a popup with "Please enable Service Changed Indication in your firmware".
In code, I have an error...
I need to connect to a LIN bus and Bluetooth on the same device. I'd like to use the ARM processor on the nRF51822 based module (PTR5518) to handle the LIN bus messages. LIN...
Hi,
After looking around it seems like the I2C example that used to be in the older SDK is currently not available anymore. I was wondering if it was replaced with anything...
currently, i am designing a wearable device using nrf52 as core soc. i just found that the nrf52 has two internal regulators, ldo and dcdc converter. in my case, the input...
I'm using a nRF51822 with 256KB flash and 16KB RAM, SoftDevice v5.2.1, uVision 4.71.2.0
I can compile and run the heart rate sensor, and it will become detected by mastercontrolpanel...
