How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
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...
