why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hi,
I'd like to design a custom software an win10
to help in design a custom hardware using nrf51822...
at this time I have an eval board (PCA10028) whit a custom firmware...
We are trying to dump DFU code using Keil into nrf51822 IC. We are getting error, we are using SDK12. we tried many solutions provided in devzone, we were not able to solve...
Hello everyone,
I am trying to congifure two gpio pin (pin 6and 7) in standard high drive mode 5MA because am trying to connect those pin to the speaker inorder to increase...
When I program the board the COMP and Timers work fine. Upon removing the debugger and resetting the board it also works fine. But if I subsequently power off the board and...
Hello.
I don't know difference of GPIO's input/output direction setting.
There is two register for gpio setting.
DIRSET : Dir set register
PIN_CNF[n] : Configuration...
Hi there,
Is it possible to call SOC library functions before calling sd_softdevice_enable()?
In particular, i want to set up my interrupts with sd_nvic_SetPriority...
We want to use 52832 to control 6 LEDs. it is easy to use 6 IO pins to make them on and off. but we need these LED to blink. so we want to use one PWM module to generate 1...
When using the nrf_drv for spi master there are no problems when compiling. If I switch the SPI configurations to operate as a spi slave the compiler spits out "non-trivial...
Hi All,
I have just started working on interfacing SD card with nrf52 using SDK 12.0. I have to write to SD card at a rate of 84 packets per second and each packet consists...
Hi
I am checking out NRF51822, NRF24LU and NRF24LE1.
Below are my design requirements:
Smaller the size, the better. 7x7mm is OK. prefer smaller.
Lower power...
Hi, Nordic
I have 3 nRF52 devicies, one as Gzll Host, two as Gzll Device.
they use Gzp to pair, when paired, two Gzll Device send payload via different pipe ( 2, 3)...
Hey everyone, I'm trying to use lmt70 with nrf51822. So, first of all, nrf51 has 10-bits ADC, the data sheet of lmt70 is recommended 12-bits of ADC.
I plugged the sensor...
I use nRF51822 (Multiprotocol Bluetooth low energy/2.4 GHz RF System on Chip).To transmit informations with smartphone.
I have to set up a self-certification application...
Dear Nordic.
Is NRF_POWER->GPREGRET register writing in NVMC?
FICR and UICR is saved in flash memory(NVMC) as written by [nRF51_RM_v3.0.pdf].
But, GPREGRET register...
Hi，
I have the following setup
Chip: nrf51822 chip
SoftDevice: S110
Firmware: dtm exmaple.
I use device test Bluetooth certification in korea(RF output from our...
