Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
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I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
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I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
Hi,
This is probably a silly question, but just to be sure...
I know that when designing a PCB with the nRF51 it is necessary to keep an area beneath/around the antenna...
hi,
to do DFU on SDK 8.0, if use the MCP on PC, it wants to select a zip file, if select a hex file, it will fail. I have created the bin image,but I can’t create the zip...
Hello
I am using the nrf51822_Beacon application and SDKv7.1.0.
have a issue when sd_evt_get function start executing, after imitatively program counter reach into HardFault_handler...
Hi,
I am using S132 to communicate with an iPhone running iOS9. The peripheral needs to operate at high data rate at certain times so I have followed the method posted...
Hello!
I'm trying to get my whitelist work, but I think I'm missing something. Let me present you my problem:
Power up both central and peripheral1
Central enters...
Hello,
I am having an working application with S120 and S110; master and slave application. Now I need the master and slave functionality on the same board and using S130...
Hello,
I've been looking around to find the best way to interface the nRF52 DK with both an LCD screen for printing settings to a panel display, and a rotary encoder, used...
Hi
I don't have the board space for a loop antenna, so I'd like to use a dipole. What sort of RF output / matching stage do I need for this on the nRF905?
Thanks!
Hello
I wrote the program by referring the some examples after compiling the program GPIO pin becomes high immediately (3.3V ) bu my aim is to make the GPIO pin as output...
I have two nrf24l01+ modules communicating on a single channel. The "remote" does 99% of the data transmission while the "base" receives and uploads to a host. Occasionally...
How to use stlink or CMSIS - DAP downloading S110 protocol stack? Jlink can use nrfgostuide down s110 protocol stack, i want to know how to use stlink or CMSIS - DAP download...
Hello,
Is there any information on current consumption for the nRF51822 when running the micro-esb examples? I'm curious as to how much current is being used in a situation...
I'm testing a custom board I did. The board has this 16Mh crystal
geyer-electronic.de/.../GEYER-KX-7_01.pdf
The CL of the crystal is 12 pF. I'm using a pair of capacitors...
