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 convert a peripheral working firmware to Long Range.
There is a description in:
https://devzone.nordicsemi.com/f/nordic-q-a/37409/sdk15-long-advertising...
Hi All,
I am trying to understand how should I define the BLE UUIDs in my peripherals and connect to each peripherals.
Basically I have several BLE sensors. My goal is...
Hello,
I am merging two applications which work successfully inside SDK 17. One is the ble_app_uart and the other is an SPI app handling my display. The linker can not...
Hi Team,..
i'm also trying to interface nrf52832 and nrf52840 using 15.2 SDK..when i write i2c communication nRF to max32664C.
18 bytes only successfully transmitted....
Once inside the I2S interrupt, I need to clear the event that caused the interrupt, which in my case is either EVENTS_TXPTRUPD or EVENTS_RXPTRUPD. However, setting these registers...
Hello,
First of all, i am really novice about certification and this NFR52832, and i guess that's why I have several questions about it.
A certification must be passed...
I bought a wristband that enables firmware upgrade via OTA.
I want to replace its firmware with my own but I don't have the keys related to the DFU.
All I know is that...
Hi, I'm just started developing on 52840DK platform and I am trying to create my own zigbee end device (remote controller) with higher WAF than IKEAs controllers. I've tried...
I want to be able to update both application firmware and modem firmware via the terminal. I know the nrfjprog and have no problem downloading application firmware.
Is it...
Hello,
I am testing my NRF52 custom board with the Bluetooth Low Energy utility inside nRF Connect.
I am based on Windows and I use an NRF52DEVKIT as BLE dongle.
Is...
Hi all,
I'm having some trouble on figuring out how the UICR behaves and what I can expect from it. I am trying to lock the UICR from further modication. Based on the documentation...
Hi All,
I was trying to program a simple LED peripheral hex file to the nRF52840 dongle.
Initially I was modifying an existing sample program from one of the examples...
I am on Ubuntu 20.04 with SES 5.42c, SDK 16, and SoftDevice S140 version 7.0.1 I am using a Knowles SPH0645LM4H. I have put together a beacon that operates the microphone...
Hi,
We use TLS encryption with MQTT towards Amazons MQTT-service.
What we have been able to do, is send 1 packet (2KB max size, due to modem buffer limit set by Nordic...
Hi
I'm currently trying to use a cheap stlinkv2 clone flashed with https://github.com/x893/CMSIS-DAP for at test setup. (cmsis-dap enables it to remove APPROTECT/read back...