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...
Bluetooth device directional broadcast (set my mobile phone Bluetooth device address), I open the phone Bluetooth, will automatically link if you can not automatically connect...
Hi,
The samples for using list are BUFFER = 4, but it does not specify is that is the only size that works, and what value do you place on NRF_SPIM0->TXD.LIST
In my...
Here is a little background.
I have been developing a product based on the S130. I used the device manager from the S120 device since version 0.9 alpha. I was able to build...
Is there a mechanism to notify the application when a client reads from an attribute? For example, I have a large attribute buffer (100 bytes max) with a default MTU size...
Hi,
We are implementing a device where we need to use BLE and PWM. For generating PWM we use app_pwm library. To decide on the number of cycles of PWM pulses, we use a separate...
Hi,
Is there a way to power only the nrf52832 on the development kit(PCA10040)?
Background: We would like to test a solar power source but we don't want to power the...
Thank you very much in advance for any help.
I am attempting to upload an example firmware on a nRF52832 with the s132 softdevice BLE stack and the example DFU bootloader...
just like
github.com/.../nrf52-mpu-easydma-using-timers-and-drivers
we add a sensor, and try to read 2 sensors by 3 command in i2c.
is it possible to still using ppi...
Hi Friends,
I am beginner for nRF51822 and I install uVision 5.20 to create program for this chip.I can't see this chip on device selection table when new project creating...
Hi,
I've recently bricked my nrF51822 Beacon Kit ( www.nordicsemi.com/.../nRF51822-Bluetooth-Smart-Beacon-Kit)
...by uploading some bad firmware. I can no longer program...
I am beginner for nRF51822.I installed uVision 5.20 to program nRF51822 chip.I could not see nRF51822 chip on chip selection guide of uVision software.Also I need some example...
Hello.
I've been trying to use the nRF Beacon for Eddystone app to configure a nRF52 devkit. The idea is to configure a slot as EID and register it to my google account...
Hi there,
I know 3V lithium batteries (Lithium Manganese Dioxide) batteries would be perfect for the nRF51822, but we're wondering if Lithium Thionyl Chloride (Li-SOCl2...
Hello,
is there a softdevice for the nRF52 which supports the proprietary wireless protocoll of the radio nRF24L01+? I only find ones which supports Bluetooth 4.0 and ANT...
Hello,
i have a very small device with bluetooth connection which send data every 20ms to a smartphone. The adc is sampling 100 times per second. Because of the small design...
