Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
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...
I've a PCA10036 V1, I change the IC to nRF52822 QFAA-B016. With nRF5_SDK_11.0.0-2.alpha_bc3f6a0 and SD: s132_nrf52_2.0.0-7.alpha_softdevice, the programme started but if I...
I am troubling shooting some issues between my device and iPhone using nRF Sniffer.
One of the errors the sniffer captures is this:
Master to Slave: Rcvd Read By Type...
I will be using the nRF52 adc from -20C to 85C and am trying to determine if I need to calibrate and if so how much temperature difference I can have before it is time to...
Hi, I'm working on the nRF52 with S132 v2.0.0.
I am using a self-implemented "connection manager" that tries to establish bluetooth connections to pre-configured auxiliary...
Hi,
I am using 2 x AA batteries which gives 3V. Planning to enable all the internal LDOs (1.2V, 1.8V and Radio LDO).
VDD and AVDD are shorted on Board.
Will the device...
Is there a porting guide to this?
Custom hardware
Central device
SDK V11
I'm getting a reset in client_handling.c::ble_stack_init();
Right after I set the clock as...
Even I am writing BLE applications, but I don't totally understand these items:
In Characteristic Properties of GATT Characteristic metadata
We have read, write, notify...
I am trying to trigger some functions based on some pre-determined timings. I tried to do that using nrf_delay_us and also using timer0 interrupts, but both are giving me...
Hi,
I'm using nRF Master Control Panel to test a Phone Alert Profile (PASP) I've implemented. For this, in the app I configured a GATT server that exposes the Phone Alert...
