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some connect problem when use hts . 0

hts, HTC phone, nrf tools HTM, nrf51822, every time when it's power up : the once connect: error code 0x7A cann't read characteristic and 0x14 state change. the second...
- hts err manual
727 views

0 replies

Started over 10 years ago
by Liu
Not Answered
4 channel wireless transceiver and 4 RF temperature sensors as a finished product set: 0

Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
- any fcc approved
1090 views

0 replies

Started over 10 years ago
by baha93
Not Answered
How to get Value of multilink_peripheral on terminal, that is displayed on Mastrer Control panel 0

I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
- value
- mcp
- dongle
- lave
- terminal
656 views

0 replies

Started over 10 years ago
by Mohib
Not Answered
SPI Multiple Masters 0

Hello, I am tryong to use to masters to communicate with two accelerometers. Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
- spi
- multiple master and slave
2680 views

0 replies

Started over 10 years ago
by Milad
Not Answered

Power-fail NVMC protection 0

In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...

623 views

0 replies

Started over 10 years ago
by jcowfer

Recent in Nordic blog

Writing BLE firmware with a few lines of code

Nguyen Hoan Hoang

Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
- 29 Dec 2017
nrF52 Tutorial: ETM Instruction Trace with Keil MDK

Bob Boys

Hello I wrote a tutorial on using the nrF52 Development Kit with Keil MDK. www.keil.com/appnotes/docs/apnt_308.asp This document features essential debugging capabilities of the nrF52 series. ETM Instruction…
- 15 Dec 2017
One minute to understand BLE connection data package

viewtool

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…
- 15 Dec 2017
One minute to understand BLE MTU data package

viewtool

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…
- 15 Dec 2017
Debugging on nrf52840 with GDB from CLI on linux

jfcamel

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…
- 14 Dec 2017
The KEY POINT of example "ble_app_uart"

QQ645116977

This article baed on "pca10040", nRF52832 example code path "examples/ble_peripheral/ble_app_uart" IMPORTANT!!!! board config file of this example located in "components/boards/pca10040.h" and uart…
- 12 Dec 2017