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...
Issue: With my external antenna design, I get lower dbm than PCB antenna (nRF51DK) with same distance.
My external antenna design: -70dbm
nRF51DK: -40dbm
In this...
Today when I started power profiler kit, it suddenly started to show peak values like 80 mA. This has not happened before, but the values with the same hardware have been...
In the data sheet of the NRF51 and 52 there is mention that sensitivity of NRF51 is -96 dBm and NRF52 -98.
But I read some where that when RSSI is -90 then that signal...
We are working on a dynamic radio power change for a proprietary RF protocol, and we are missing some granularity on the NRF_RADIO->POWER levels.
Typically we would need...
I am wondering what is the logic and magic behind using sdk API's to advertise vendor specific 128-bit service UUIDs. In the "Nordic UART Service" example (nus, SDK12.2.0...
Hello all!
We are designing our first projects with NRF52832 and the DC-DC decoupling capacitor on DEC4 pin used in reference design is:
1uF 0603 X7R 16 Volts
Our...
Hi
Now I'm using sdkv12.2 and S132 on nRF52832. All the examples in the SDK put the device name in the advertising data packet. However, for our applicaiton, we need to...
we have created ble mesh, and data through ble nodes is passed every 5 seconds, but nodes gets disconnected with reason BLE_HCI_STATUS_CODE_LMP_RESPONSE_TIMEOUT??
please...
For a moment I was thinking that I made it with Segger, I was thinking that after 3 days with Eclipse with no success, I managed to use the blinky example and flash it (!...
Hi.
I'v spent the last full days trying to set this up, and I am exhausted. I really am. Never had this kind of feeling in my life.
People from all over this place where...
Hello, the nrfTooolbox app from Play Store runs on my LG K4 phone which has 5.1.1 Lolipop. If I load the Github project into my Android Studio and try to run it on the phone...
Dears,
I am working for an application on [email protected] including PWM, Timer and a few peripheral functions. I was trying to create a timer on timer1 in us tick. The timer...
The UART example in examples\ble_peripheral\ble_app_uart will not connect with SDK 13.0.0. This example was running just fine with v11.0.0 (Softdevice S132 v2.0.0) and v12...
What is the correct RAM size that should be reserved for S132 v4.0.2 shipped with SDK 13.0?
Looks like linker scripts for different projects reserve different amount of...