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...
Do you a way to get better range for BLE.
Distance outdoor Number of samples per second using the development kit. ( 12 bytes)
15m 100 samples
40m 60 samples
50m 50 samples...
Reading the s110_nrf51822_7_0_0.migration document there's a small section which states that due to an issue in the release you need to do the following ..
sd_ble_gap_enable...
I'm learning about GPIOTE and PPI and looking at an example I come to the following code but now it act incorrectly. So as you can see I'm enabling the interrupt for GPIOTE...
I am working with the nRF51 Software Development kit for the nRF51822 Evaluation kit
There are some kind of type qualifiers such as __I, __IO appearing in the header, e.g...
I am following nRF51822_Evaluation_Kit User_Guide v1.2.pdf (page #9) to run Heart Rate sample but I am unable to get an expected result (LED 0 should be lit) when I am pressing...
Once I downloaded Soft Device 110 (s110_nrf51822_6.0.0_softdevice.hex) into my Evaluation Board's chip I ran nRFgo Studio and saw that the size of the Region 0 is 80KB and...
My Board PCA10024 (nRF51822 Chip QFAAG0) consumed at least 18mA with external 3V battery.
The nRF51822 chip itself consumed only 5uA in sleep mode.
What's go wrong? So a...
Hi,
in, for example, the multilink example app, central role.
I would like to disconnect a peripheral role device once a notification has been received...
... is it correct...
I am using a stripped version of ble_app_hrs of SDK5.1 with Softdevice 6.
I stripped all services from ble_app_hrs except the DIS. ( so removed battery, hrs, buttons and...
Hi,
question is probably trivial, but I cannot find answer for second hour, so maybe somebody know, how to set that same address for Application downloaded from Keil and...
Is the nRF51822 susceptible to being bricked if the programming port is accidentally disconnected during programming? Does it use any protective measures such as a checksum...
I'm using nRF51422-QFAA E00 with S310, nRF51 5.2.0
When I configure ANT channel as a Master with Network number 0, all works OK. But if I try to set different network number...
50ms_measure_30ms_other.jpg
Attached is current measured using the s310 softdevice
Every 50ms timer takes a twi measurement, which is a twi 6 byte read followed immediately...
I am trying to write a bootloader that will work with the S120. Both the examples seem to only work with the S110, so they don't help much. I already have the binary I want...
Hi,
we can send data from server to client by sd_ble_gatts_hvx() in ble_app_hrs but:
1.How does the client receive those data?
2.How dose the client send data to...