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...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi,
I need PWM on 2 pins, with a varying duty cycle, and read some posts in this forum on the subject.
I am still using SDK7.2.0, with SD7. Our product is stable, so I...
Hello, a few days ago I was having trouble with RF performance on a custom PCB using the NRF51822. I posted here to get feedback and figure out where the design went wrong...
sdk : v8.1.0
os : ios
tool : nrf tool uart
use the ble_app_uart, it worked normaly. and add duf fuction in the application by the notice
[http://developer.nordicsemi...
Dear all
I found that the frontline BPA sniffer can't catch the connection data between Android5.1 or ISO and BLE device. Does this normal? How can I use the sniffer to...
Hello, I have to implement infrared sending and receiving of a modulated signal in pre-existing code.
I have managed to implement infrared sending thanks to the ble_app_uart_IR...
Hi!
I have creat two timer with app_timer_init.
start the first timer trigger every 4 ms, every 125 times(approximately 0.5 sec) to start the second timer which trigger...
I am having issues using the correct definition for the clock config:
for
nrf_clock_lf_cfg_t clock_lf_cfg = NRF_CLOCK_LFCLKSRC; SOFTDEVICE_HANDLER_INIT(&clock_lf_cfg, NULL...
Hi,
I have very trivial question. I open the template program which is attached in SDK 11.0. In application timers start function I wrote the following code. The result...
I am only sending the local name in the BLE advertisement packet. Do I need to send the manufacture Id as well, even if there is no manufacture specific data that I need to...
Hi,
We are using the Experimental Bootloader example from nordic SDK 10. The project is a good example on how to check for authenticity and integrity of the update package...
Hi.
I'm doing a project of wireless sensor network. It is a small network of less than 6 elements, so I'll use piconet. I have ble_app_hrs working perfectly. But only with...
Hello,
I'm working with a nrf51822, SoftDevice S120 v2.0 and SDK v9.0 platform.
Specifically using it a Central role to connect to a Blood Pressure peripheral.
When...
In section 7.5.2 of the nRF24L01 Datasheet it states:
PTX enters RX mode and waits a time period for an ACK packet each time a packet is transmitted.
During this...
Not really a question, but I found a potential issue with the Battery Service module in ble_bas_battery_level_update() . This is in both SDK v10 and SDK v12.
The problem...
