# 288 questions

Tagged
• x
48
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## nRF8001, nRF51422 or nRF51822

Hi,

It's my first post here so let introduce myself : I'm a 25 y.o. French electronics engineer and hobbyist. I also like skating (inline skates and ice skates) mainly slalom, jumps, speed run, street ride... And I ... (more)

34
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1
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1

## nRFgo Studio configuration for HID over Gatt

Hi,

I have successfully implemented the UART over BLE. Now I'm trying to implement the HID over GATT for my nrf8001 device. What I'm trying to achieve is lower connection interval of the IOS device connected. The question ... (more)

31
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## nRF8001 Security Required - Just Works configuration

We have a sensor product that has been in the field using the nRF8001 in no security required, just works mode for over a year. Recently, we had a request from a volume user that requires a secure connection.

In ... (more)

50
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1
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## NRF8001, 0x88 CRC mismatch

We are a couple of students trying to implement NRF8001 in our project, we made a SPI setup on our Atmega328p to communicate with the NRF.

After sending our setup packages and 3 packages with 0s we ... (more)

40
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## NRF8001D/NRF8001C

Hello!

I have a problem with NRF8001 modules. I have two similar boards - one with NRF8001C and another with NRF8001D module. NRF8001C board works well, but NRF8001D board doesn't. The RDYN pin is always high. It seems like the ... (more)

30
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1
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1

## HID template for nRF8001

Hello,

While looking for examples, I found a post from 2004 where a user is asking a question about an example code for HID on nRF8001. Is this code still available? Where can I get it?

Here is the original ... (more)

64
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## How to create a nRF8001 configuration for touch device with nRFgo

According to Microsoft's instruction on HID touch device, https://msdn.microsoft.com/en-us/libr..., a HID touch device should create a report (descriptor) as below,

0x05, 0x0d,                         // USAGE_PAGE (Digitizers)
0x09, 0x04,                         // USAGE (Touch Screen)
0xa1, 0x01,                         // COLLECTION (Application)
0x85 ...
(more)

67
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## Device advertised as mouse/keyboard, but after bonded it became heart rate device?

I am using RedBearLab Blend v1.0. I ran the HID_template and HID_keyboard_template. I can see the device in Win10 advertised as joystick and keyboard. Then I tried to modified the hid_mouse_batt_nordic_works.xml and generate a new configuration as mouse ... (more)

71
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1

## ACI_EVT_HW_ERROR line 571 nrf8001

I am using a nrf8001 and the arduino aci library ported to work with my project. I have started from hello world example. Connecting to the device from android app, sending some data over the uart and then disconnecting seems ... (more)

118
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1

## can i increase TX power of blend micro

i am using a blend micro with nRF8001. and i am using it as a hub in my project.Now i am getting a range of 13 meters.but that is not enough for my project.so can i increase ... (more)

67
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1

## Need NRF8001 to advertise while Microcontroller asleep.

I'm using an NRF8001 with an ATMEL ATMEGA 328P (the microcontroller from an Arduino). I need the microcontroller to go to sleep, but still allow the BLE chip to advertise and wake the microcontroller upon connection. It seems as ... (more)

42
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1
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1

## nRF8001 setup but not visible

Dear Colleagues,

I am much obliged for your kind assistance to me.

My Question:

I have setup my NRF8001 successfully (please find the setup file generate by the nrfgo attached).

When I ping the nrf8001, I get a standby message ... (more)

28
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1

## [title:arduino] No ACKs after initial send

Hi All,

BLE Nordic Stack: 0.9.7 Tiny Circuits: Ardunio + Nordic nRF8001 Board

 First time post, and hoping someone has run into the same issue that I am.   I am in the process of writing a custom sensing ble ...
(more)

431
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2

## nRF8001 no response to Test mode command

Hi, i've just started to use the nRF8001, so forgive me if this is an obvious problem.

i'm using the nRF8001 with a microchip PIC processor. i'm using the ace_tl_demo project to test the hardware. On power-up ... (more)

203
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1

## Blend Micro with nrf8001 certification

Hi there!

I don't know much about FCC, UL, CE certification and want to learn. I am using the blend micro module which uses nrf8001 chip in my project. How do I get my prototype certified?

I looked around ... (more)

108
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1

## Write to characteristic with manual ACK

Hi all,

I believe it should be possible to defined a characteristic which can be written to but have no automatic write response ACK sent. Instead I want to send a manual ACK once I have processed the written data ... (more)

72
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1
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1

## nRF8001 and nRF24L01+ on one Arduino

Is it possible for one Arduino Uno to have a BLE nRF8001 module and a nRF24L01+ module wired to it (allowing each module to communicate simultaneously)? According to the wiring diagrams, they utilize the same pins. Therefore, will I need ... (more)

233
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## nrf8001 Reset - RDYN and REQN behavior

Hi,

I'm developing some code for an AVR MCU with the Adafruit nrf8001 and had a question about the expected behavior of the handshaking lines, REQN and RDYN

My understanding is, once the device comes out of Reset (Reset ... (more)

2k
views
1
vote
2

## nrf52832 and Arduino

Hi, I'm planning to add bluetooth LE support to my Arduino based project. I want to use nrf52832, but I couldn't find any example on Arduino interaction with this radio. I know that nrf8001 has an SDK for ... (more)

107
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1

## ANCS examples: ACI Setup Error

I recently received a redbear nrf8001 board for use with my Arduino Uno. I had intentions of using it with ANCS. Before I realized that there was a ANCS example included with the sdk from Nordic, I had located someone ... (more)

1k
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1

## nrf 8001 + Arduino Notify Questions

Hello i have a system that build in an ultrasonic sensor RedBearLab BLE Shield ( nrf8001 ) and arduino i want to get ultrasonic data via bluetooth and see it on nRFConnect i can see it but when i try to cut ... (more)

28
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2
1

## connect nrf51822 to nrf8001

I am using nrf51822 as a central device that is trying to connect a peripheral device nrf8001.

from nrf8001. Is it possible to do that ... (more)

128
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1

## nrf8001 RedBearLab BLE Shield Notify ?

Hello i have a system that which i get data from a ultrasonic sensor and send it to Arduino UNO and nrfConnect application via the RBL Shield ( nrf8001 ) so i want to do it with the notify command on the ... (more)

154
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## Blend micro as a connectable beacon

Hello!

I am trying to build a connectable Eddystone beacon with a Blend Micro board which uses nRF8001. I used the BLEPeripherallibrary (https://github.com/sandeepmistry/ardu...). I picked the Eddystone-UID code from the examples and added a few ... (more)

54
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1
vote
2

I'm working with the nRF8001, at present using the RedBear BLE Shield.

My current issue is that after starting to Advertise, but before a connection is made, I wish to stop advertising and start again with modified local data ... (more)

341
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1
vote
1

## BlendMicro App (inventor)

Hi there,

First: I’m a newby, just did some things with Arduino to control some LEDs etc but not much more before.

What’s my plan: I actually ‘ld lik to control some servos/LEDs via my smartphone (remote ... (more)

145
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1

## NRF8001 module connection problem

Hi to all!

I've developed a board with NRF8001 on it and it works fine. But I've noticed a strange behavior. I use a mobile phone with NRF master control panel to work with my device. If the ... (more)

76
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no
1

## nrf8001 antenna feed width

I am using the Johanson balun (http://www.johansontechnology.com/dat...) to interface the differential input of the nRF8001. The PCB manufacture I am using is OshPark, which offers a FR408 with dielectric constant of 3.66. Because of this ... (more)

379
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no
no

## nRFgo studio problem

Hi!

I'm trying to configure my NRF8001 module with the help of nRFgo studio. I'm using Nordic UART over BTLE service template. The module can be discovered via nRF Master Control Panel, but when I try to connect ... (more)

62
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no
1

## setup_message_content correspond to in services.h for nRF8001?

"I need to analyse,what is the array of hex values corresponds to.

#define SETUP_MESSAGES_CONTENT {\ {0x00,\ {\ 0x07,0x06,0x00,0x00,0x03,0x02,0x41,0xfe,\ },\ },\


0x07 - Length of the array, 0x06 - system commands but after that i'm unable to interpret ... (more)

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• Resolved questions: 8512
• Total questions: 19842

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