I'm looking at interfacing a typical Wheatstone bridge sensor to the nRF51822 ADC. This particular sensor only requires a mA or two for excitation and the output fits within...
When use the "nRFBeacons" app to update the info on my beacon the following happens:
Go to update tab.
Select "Connect"
Press "SW2" on beacon and see the LED begin flashing...
I am using s110 and nrf51822. I've set up up a long characteristic of 154 bytes.
Sending between 1 and 154 bytes works as expected.
Sending 155 - 160 bytes gets rejected...
Hi,
I tested the nrf beacon application, it allows only the beacons with company identifier 0x0059 (nordic's id). But i need to modify it to support all the device, how...
I use a app_timer_create() function to create a task(200ms once)
when in the task_timeout_handle() ,
I do something more than 200ms,
what will this timer going ?
Hi!
I use nrf51-pwm-library ( github.com/.../) to control brightness of LED RGB light source and it works ok till I don't want to adjust brightness slowly (dimming function...
hello,
are there any completed sample code of using pwm0, 1?
just 2 or 3 word can working like following? or need other config?
pwmcon=xx;
pwmdc0=xx;
pwmdc1=xx;
also...
I'm using Arch Linux, with kernel 4.9.6 on a 64-bit laptop. Using a window manager with no desktop environment.
I'm trying to install Segger Embedded Studio 310i , which...
Hi,
I am working with nrf52DK and Sim800l, I want to send some data using GPRS commands like AT etc.
I am having a market build module for Sim www.circuitstoday.com/....
Hi,
I am using the example code supplied by the blog for reading humidity from the HTU21D sensor using TWI . My humidity and temperature readings are constant and never...
The code generated from the BDS plugin (v.1.2.4, found here: question including link to v1.2.4 ) is failing because of missing references to boolean_t and bds_boolean_encode...
Hi, I need a simple timer that interrupts every second. I'm trying to use the code from the sleep timer, but it isn't working. this device is the PRX, so i don't want it go...
Hi.
I'm using the arm_sin_f32 function to generate an array of sine wave values. However when this function gets called the softdevice crashes.
I've included:
#include...
I've been trying to chase down some of the engineering samples of the nRF52840 for a prototype with no success from distributors here in Japan (have tried Digikey and Mouser...
Hello,
I know that the NRF_TEMP peripheral is a restricted peripheral and should be accessed with the sd_temp_get function when the soft device is running. Heck I even...
Does the NFC library globally disable interrupts at any point? We're trying to track down an issue where our code occasionally misses an I2C event during NFC read/write.
Hi all,
when I try to send 6 bytes of 0xFF, the last bytes change. I use SPI in mode 3. I use the NRF52832 on a custom board using SDK13 with sd v4. See the following screengrab...
Keil4 compiler in the compiler C and assembly of the mixed code, the error content is: Branch offset 0x00000388 out of range of 16-bit Thumb branch, but offset encodable in...
This function contains a lot of tags that need to jump, but at compile time there are these errors.
this is ARM compilation and C mixed,How should this error be handled?...
Hello, I am trying to develop on the NRF52. I have the development board and have been spending time with the SDK and documentation. I understand how the GPIO should work...