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'm using this simple_pwm code to drive my speaker, I use this as a buzzer but I want to change the frequency.
In this code ".base_clock = NRF_PWM_CLK_125kHz", the...
Hi, I am developing an IMU app communication with ESB. I would like to send to the board a command with ESB to put the nrf52832 board in BLE DFU mode.
I have look at the...
I am using the timeslot API, and I have noticed that if I read Timer0 as the first thing in my timeslot, it will be at 75 us. This delay is very consistent, so my timing between...
The following change was introduced in v4.0.0
Note that mesh_config_clear() was replaced with mesh_opt_clear() which is a rather big change of behavior that wasn't documented...
Hi,
Just trying to run mqtt sample with TLS and AWS IoT backend. Everything worked fine in the beginning, but then after I tweaked the code a bit I suddenly started getting...
Hello,
I'm using SDK5 v16.0 and softdevice S140 v7.0.1.
At some of the PCs, it takes much longer than usual to upload the zip package. On my machine, the transfer rate...
Errata 182 needs to be applied (in revision 2 devices) to enable the fix for erratas 102, 106 and 107. The workarounds for these erratas all stated that they reduced receive...
Hi,
I am using NRF51822 SDK12 S130, I have increased my code and encountered a crash right at the beginning, I debugged it as follows -
I increase an integer ( uint32...
Hi,
I was wondering if I could get a little information on how to set a pin as High Impedance using the zephyr gpio.h library.
We have a shared pin between a nRF9160 and...
Is there a value or values range defined for the user cmd/evt in the serial interface?
I would like to use the uart for some app specific operations, and could use packet...
Hello. I'm having problems to programme the nRF52832. I'm just connecting the VCC (+3,3V), GND and SWDIO and SWDCLK. Is it ncessary to connect any other devices like capacitors...
Hello,
I have been using the buttonless DFU method for a while on the nrf52832 Chip. Due to performances need we changed the chip for our product from nrf52832 to nrf52840...
So, my understanding of the current support for a PA/LNA is a set of configuration options you can pass into a BLE library and then the soft device will handle the operation...
Hello,
I am interfacing a nRF52 based module with external flash memory.
When I try to program/read a single byte, I get the " NRF_ERROR_INVALID_ADDR" error.
This...
