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 would like to read and update value of the characteristic received from AD pin AIN0. I already tested the following code, where I got very weird results (value is...
I am using Keil MDK v5.2 to compile ble_app_uart example using the project in examples\ble_peripheral\ble_app_uart\pca10028\s130\arm5_no_packs
I am using the latest nRF5_SDK_11...
I would like to use the capsense example with a Bluetooth application. But as it's not compatible with softdevice, I want to modify it. Two questions:
1 – As anyone already...
HI,
I have very basic question: I plan to connect two devices on i2c to the nrf52. Can they both be connected to the same pins, and configured by software to select one...
I have been analyzing the Bluetooth snoop file on several Android devices, where the Android device is the Central (Client) and the peer device (nRF51822 with S130) is the...
Hi,
I am new to MCUs and I am trying to send information from NRF51 via UART (not BLE UART) to Putty. No matter what I try I can't seem to print anything on Putty. I started...
Hello!
I was copy template project from preinstalled folder to the desire one. When I opened program in new folder, the translate operation work fine. But when I pressed...
I would like to configure the connection timeout with the S130v1. This timeout is described in the following sequence diagram: infocenter.nordicsemi.com/.../group___b_l_e___g_a_p___c_e_n_t_r_a_l___c_o_n_n___m_s_c...
Hi there,
In the process of moving from SDK 10 to SDK 11, I've also been migrating an accelerometer driver over from using straight nrf_drv_twi code to the higher level...
Hello,
Is it possible to use easyDMA to transfer from GPIO to memory without involving the CPU? We need to read from a parallel bus for a short duration, without losing...
When setting up a 1Mhz square wave using NRF_PWM on the NRF52 or GPIOTE on the NRF51 while BLE is advertising, the PWM stops when the radio is active. The problem doesn't...
Hi,
I'm developing a BLE application for the nRF52 and I wish to use directed advertising and the whitelist.
I initialise the Bluetooth advertising using the following...
I have been using softdevice S130 version 2.0.0-7.alpha with SDK 11 in Keil using the pack installer. How do I change my project to work with the updated version that doesn...
Hi,
I believe there's a minor bug in low_power_pwm.c regarding pwm_state.
The routine low_power_pwm_start sets the pwm_state to NRF_DRV_STATE_POWERED_ON ; but it then...
