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Wheatstone Bridge Interface 0

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...
- adc
- wheatstone
- low-power
- nrf51822
858 views

0 replies

Started over 10 years ago
by Andrew Kohlsmith
Not Answered
nRF51822 Update iOS 7 disconnects 0

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...
752 views

0 replies

Started over 10 years ago
by David
Not Answered
invalid length long write characteristic gets through 0

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...
- s110
- nrf51822
655 views

0 replies

Started over 10 years ago
by Travis Hendrickson
Not Answered
Filtering beacon's with manufacturer identifier 0

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...
- android
- ibeacon
1741 views

0 replies

Started over 10 years ago
by balaji
Not Answered
What will it going by this timeout_handler? 0

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 ?
749 views

0 replies

Started over 10 years ago
by Steven_wang

Recent in Nordic blog

Intro to ShockBurst/Enhanced ShockBurst

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The first generation of wireless PC accessories to achieve widespread success (the ones that shipped with a dongle in the box) adopted 2.4GHz radios because these radios offered the optimal trade-off between…
- 1 Jan 2018
Writing BLE firmware with a few lines of code

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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

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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…
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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