Hi Hakon.... when i compile my project i get some linker errors,
._build\gzll_host_ack_payload.axf: Error: L6218E: Undefined symbol __main (referred from arm_startup_nrf51...
I'm trying to perform communication between my device and iOS and I ran into some problems. For tests I'm using iPod touch 5 with nRF Toolbox and LightBlue apps and nRF51822...
I've been using Master Emulator API 2.1.3 in Visual Studio 2010 Express, and have spotted a fix I may need in 2.1.5 so I've switched to using the 2.1.7 API. However, I've...
Hello,In normal condition, I use UART,pwm,spi an so on.Now I want to clear the configuration, and enter System ON mode.But I don't want to system reset.
How should I do...
Hi, everyone~
My goal is to collect data from 4 sensors simultaneously using iPhone.
Now, my testing code for sensor nodes is working fine. It was built based on the...
I am an android developer and I am using your nRF Master Control Panel (BLE) product as published on Google play. Below is the link to the app:
play.google.com/.../details...
I want to build a USB dongle, so I purchased the nrf24lu1+ development kit. However, in order to program the target board, it would seem that I need the nrfgo. Is this correct...
I have programmed nrf51-dk with an example code available at mbed platform,everything works fine except that the ble is visible even if we open bluetooth menu.It is scanned...
Hi,
I'm developing something with NFC / BLE handover - it is currently working fine, NFC tag is read by a phone, nrf52 starts advertising and phone then connects to it over...
Hello,
I'm remaking an nrf52 project in Keil and ran into an issue when it came to compiling. All of the errors outputted have came from bsp.c, mostly stating that a few...
Hi,
We will use nRF52 along with small 8bit micro and UART connection. The MCU cannot support standard baudrate 115200, and we will need to implement non-standard speed...
I am using the Johanson balun ( www.johansontechnology.com/.../Johanson_nRF8001_App_Note_v2.pdf) to interface the differential input of the nRF8001. The PCB manufacture I...
Hello,
I am using the following function call to set up PWM:
app_pwm_config_t pwm1_cfg = APP_PWM_DEFAULT_CONFIG_2CH(5000L, BSP_LED_0, BSP_LED_1);
However, the compiler...
Hello,
I designed a board with a nrf51822 on it. My problem now is, that this chip needs far too much current (with no firmware on it) when I apply the 3V3 power to it. I...
I have been working on a project that involves two nrf51 dev boards, one is acting as a central and the other is acting as a peripheral, and I have been encountering a problem...
Hello!
For beginning with nRF51 I chose BLE Nano set of boards (BLE Nano + MK20 USB donbgle) and it was of great help to easily begin with BLE.
So far, we came to the need...
As an experiment, we want to implement soft power off for nRF52 with external components. We want to keep the entire circuitry entirely switched off, and after a press of...
I do not use board.h nor bsp* in my project, and also I am not initializing the pins that I do not use in my program currently - so P0.17 is not initialized and setup. However...
Hi all,
I am new to nrf51-dk and I am using nRF5 SDK v11.0.0.
I wanted to perform the task below.
When the DK is turned ON, read on board push button status.
If button...
We are implementing scan functionality in nRF51. I would like to understand if anyone has tested or tried to scale this functionality when there are thousands of beacons around...
Hi everyone,
I was wondering how GAP calls and events are synchronized within the SoftDevice.
Example:
// conn_handle is updated in the CONNECTED and DISCONNECTED...
