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...
I'm trying to under the ble_app_multirole_lesc project and I'm a bit confused about calling sd_ble_auth_key_reply and sd_ble_lesc_dhkey_reply. If you are using Just Works...
Hi,
I am trying to send a HEX command to a device over UART at 9600bps using nRF52 DK, but it never works. However, it works with Arduino (so the receiving device should...
I have nRF52 Development Kit,after my first time programming the Firmware to my board.I can't erase or program it any more?
The nRF52 Development Kit can be connected with...
Hi,
I have read the following posts and understand how low clock frequency mode can be selected
devzone.nordicsemi.com/.../
I've also read in many posts that 4s calibration...
Dear Sir:
Could I use the external reference AREF1(pin0.06) instead of internal VBG 1.2V for ADC operation ?
I do the following settings to config using external reference...
Hi, I am using HRM example from SDK 10.0 with s130 on nrf51822 (attached project herewith). When I try to bond from Android(master control panel of Nordic), I am able to get...
100835_Rev1.PDF SRU532.pdf n5_starterkit.h
main.c
Hi,
i am currently working on the Nrf51422 chip with s310 softdevice . The problem i am facing is that when i dump...
Hi!
I'm fiddling around with the PCA10040 and the experimental_ble_app_blinky from the SDK found in examples/ble_peripheral/experimental_ble_app_blinky. I've had great...
Hello,
I'm trying to write value to a specified address with ble_flash_page_write .
I'm using ble_flash_page_write after ble disconnect event. I've tested different...
hi Ole BAUCK, my slave device is STPM33 ENERGY METER using this device we can calculate vrms,irms,real power,reactive power,energy and many more.. that device is not having...
Hi,
i'm doing my own bootloader and i want to use external flash to download image trough a spi. Now it almost works. But after an app image has been successfully transferred...
hi all,
i am using sdk v8.
i want to transmit the address through uart and read the data using UART.
i am using app_uart_get and app_uart_put api's.
PROBLEM:
if i connect...
Hi, it says that I have to put my beacon into beacon config mode in order to configure beacon device through the app. How do I enter beacon config mode in my nRF51dk? When...
Hi, In my project I need to measure current values for every sec and update those values to advertising data. So, I take manufacture field in advertising data to update the...