Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
I'm trying to set up the ADC to read a battery voltage but am unable to get the adc result to change regardless of whether the input line is connected to VDD or GND. I'm using...
I've noticed that MCP for Android version 4.0.4 incorrectly translates company identifiers in advertisement packets.
For example company identifier 0x02BE should be reported...
Hello,
My name is Mehdi, and I am a student in a french university. Actually, I am working on a project and I aim to use the Heart Rate for a statical studies to use it...
I have tried to create delay_timer function using app_uart as nrf_delay replacement in order to save power as much as possible in a short delay existed in any part of my code...
I tried all the examples TWI code on my device and a dev kit nRF51-DK. Nothing appeared to work, either I get a into the WDT handler or the nRF51 resets.
While combing...
Hello,
My name is Mehdi, and I am a student in a french university. Actually, I am working on a project and I aim to use the Heart Rate for a statical studies to use it...
Hi,
I'm trying to use the NRF24L01 as a replacement to HS6200p. But I can't find 0x1E (SETUP VALUE) and 0x1F (PRE_GURD) in the NRF24L01 datasheet. Actually, in the datasheet...
Hi everyone,
I am using the following:
*nRF51422
*SDK11
*keil uVision 5.17
*s130
I have been working with nRF51 that scans beacons and stores it into persistent...
Hello everyone,
I am trying to set the security parameters for bonding with PASSKEY (static)format it is getting executed very well(connected and bonded) for the SDK 9...
Dear all:
My device uses LDO mode and DC-DC mode respectively, and the distance is different.In 4dbm, the distance of the LDO mode is 110m, while the LDO mode is in the 70m...
Hi,
I was wondering if anyone could clarify why there are enable, set and clear (CHEN, CHENSET, CHENCLR) for the PPI channels when according to the data sheet they all...
I checked S130 document for using nRF51822.
I want to change the nRF51822 like the following mode.
peripheral => central => scanning => peripheral => central => scanning...
Hello
I am trying to change the ticks value of Battery measurement interval (ble_app-prox example) but i am not able to understand how the ticks period is measured based...