Hi,
I am using ADC without external reference and no analog input in order to measure the battery level with a timer (code at the end).
I am also reading several ports...
Hi,
I'm programming the nRF51822 and save some user data into the FLASH by using pstorage_update . It works fine if I set system off mode, and wake it up. I can read back...
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...
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 All,
i have a problem when I try to change the Bluetooth Address.
This is the code that works correctly: err = bt_addr_le_from_str ( "DE:8B:49:00:00:01" , "random...
Hi,
I did recently start with my pcb design for the nRF52811, but I have some questions about the antenna. I want to use a 2450at18a100 chip antenna of Johanson Tech.
...
Hi,
I am using the nRF9160 in a datalogging product, logging environmental sensors and sending data via MQTT over a LPWAN network. Something that I have noticed for a...
We use nRF9160 on our own board. The firmware "Serial lte modem" is installed on the chip with a connection to an external MCU (#define MQTT_MESSAGE_BUFFER_LEN 8192) We need...
Hi !
in https://infocenter.nordicsemi.com/pdf/nRF52840_PS_v1.7.pdf specified operation frequencies
"
The IEEE 802.15.4 standard defines 16 channels [11 - 26] of 5 MHz...
Hi, I am developing an application that includes the following features: 1. PWM to control the buzzer 2. 2 Uarte to communicate with 2 external devices 3. BLE to wireless...
Hi, I am working nrf52832.
this is a example for sdk nordic and i want to know why when i include a byte (value 0x00) in the m_beacon_info, this data is not reflect on nordic...
Hi,
I'm working on a project using BLE via s140, everything works fine until I look more seriously at the current draw of the device.
Simply, my project starts a Scan...
Hi, In the documentation I read at uart_rx_enable a timeout setting in Microseconds . Under uart_rx_enable_u16 the timeout is defined in Millisecond .
Do those really differ...
Hello,
I'm new to Nordic Zigbee solutions and where to find information so hoping someone can point me in right direction.
Using 2 nrf52840-DK boards. One is flashed with...
Hi, I am trying to follow the nRF Connect Fundamentals course and have just built the Blinky app. It actually builds fine, but on the console it does show that there is 1...
The nrf52 is waking from a sd_power_system_off() and resets. The reset reason register indicates it was from a DETECT from GPIO, yet the LATCH register is 0 and all the sense...
Hello,
I'm writing my own UARTE library because I need some functionality not offered in the SDK. But I came across a hardware behaviour I can't explain.
In my understanding...
Hello,
Right now our application developed using s140_nrf52_6.0.0_softdevice, SDK 15.0.0 for NRF52840 chip.
Need help on migrating to BLE 5.
Which SDK & soft device...