Hack Chat

Use the team chat to talk about your projects and find collaborators for whatever you are working on.

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If you need help on your project you've come to the right place. Click on the "Request to join this project" link on the left to be added to the list of collaborators. From there you'll be able to join the group messaging.

Those that just want to talk about hacking have found the place as well. All are welcome!

Hang out in here to talk about and get feedback on your project.

This will be held in the group messaging for this very project (Hack Chat). If you're not already a contributor, just click the "Request to Join this Project" link on the left sidebar and we'll add you.

Keep your eyes on this space for upcoming scheduled HackChat sessions:

Code of conduct: Be Excellent to each other. Comments and questions should be on-topic. We support education and a supportive, inclusive environment. We reserve the right to eject profiles that do not comply.

Coming up / Friday Feb 24 2017

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    Be Excellent to each other. Comments and questions should be on-topic. We support tech education and a supportive, inclusive environment. We reserve the right to eject profiles that do not comply.

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putralock23 wrote 4 days ago point

how to i can hack instagram?

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davedarko wrote 4 days ago point

I can has cat first. Cat7E would be bestest.

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TegwynTwmffat wrote 02/14/2017 at 20:23 point

Trying to build a cellphone signal repeater.

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UV4L Webmaster wrote 02/10/2017 at 21:34 point

Hi, how can I add a project to a list (if possible)?

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Shulie Tornel wrote 7 days ago point

@UV4L Webmaster Email us at, link us to the project and what list you want it to be added to.

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Comedicles wrote 02/04/2017 at 00:52 point


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bryanjwelch wrote 01/29/2017 at 16:01 point

Planning a landline call screener to block robocallers and telemarketers without using caller-id.  The idea it to quietly answer incoming calls, require the caller to press one or two digits, and only then transfer the call to a landline phone.   I'm researching now how to build this.

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Sri Gogineni wrote 02/09/2017 at 00:06 point

You can do this with Asterisk / Freeswitch / PBX software. The tricky part would be making a seamless experience for the caller and callee.

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arieboger wrote 01/27/2017 at 07:24 point

I'm a new comer here
can you help me for begaining my journey in hacking?
I hope you can do it

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Vortex460 wrote 01/26/2017 at 00:45 point

Hey I'm working on my senior project, I was hoping if anyone has done projects before on detecting sound decibels with 2 lavalier microphones on a raspberry pi/arduino for the surrounding environment. And translating the input from the microphones to vibrations from two mini haptic motors. If the lavaliers don't pan out I plan on using Adafruit's Electret Microphone Driver. Any help or references would be much appreciated, especially with the programming or needed drivers.

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David H Haffner Sr wrote 01/25/2017 at 22:15 point

Alright alright alright! Looks like I'm on the team :)

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Jasmine Brackett wrote 01/20/2017 at 16:27 point

Tindie HackCHat will be starting in HackChat team messaging in 30 mins!

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Garrett Mace wrote 01/13/2017 at 20:06 point

Is the Eagle hack chat happening?

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Sang Ho Lee wrote 01/13/2017 at 04:11 point

How can I enter to live chat? I requested to join project but it seems like pending.

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Hacker404 wrote 12/21/2016 at 06:13 point

I wanted so much to go look at entries from the email sent from and then I saw the url is from, I get so much SPAM from them that in protest I will have nothing to do with anything that comes from their servers. HaD is destroying an otherwise very good reputation by associating with this service provider. Set up your own email-list. It's not hard.

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ariduiot wrote 12/05/2016 at 21:35 point

hi guys, I am so glad to be here with you . I am working on RPI 3 and I need to use SPI pins for two sensors; so is there any way to fix that. ?

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Jasper parker wrote 08/26/2016 at 03:31 point

which project ? Maybe check out mine.

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john tribes wrote 08/25/2016 at 15:47 point

who needs help on this project. i will like to brand and get the project for people to buy. if you are really interested in working with me then you should text me on whatsapp +12162825718

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Radomir Dopieralski wrote 08/25/2016 at 17:19 point

I don't think this particular project is very marketable.

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theo.j.sandstrom wrote 07/16/2016 at 21:52 point

Hi guys. I have been wanting to build my own cpu, and decided to try to get some experience by trying to design an 8080 clone in a logic simulator on my computer. I have been looking over the architecture, and it doesn't seem that difficult so far. One thing that I am trying to understand is the setup for the ALU. I know that the 8080 can only perform arithmetic/logic functions on the accumulator, so it makes sense that the accumulator is attached directly to one side of the ALU. But according to this image of the architecture on wikipedia (, there is a latch between the accumulator and the ALU. I am wondering why this is necessary. Since the ALU always operates on the accumulator, why doesn't the output of the accumulator feed directly into the ALU? If anybody could help me figure this out, I would apprecite it.

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K.C. Lee wrote 07/16/2016 at 22:53 point

This is my guess:

ALU might be implemented in combinational logic, so the inputs needs to be held stable.

There is a race condition when the new result is passing back to the Accumulator.  Without a latch, it would probably violate a "Holt time" requirement. i.e. data should be stable for a period of time after the latch (for storing into the accumulator) is trigger.

It is a (transparent?) latch and not a f/f because they don't want additional latency read into the accumulator.

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[this comment has been deleted]

Radomir Dopieralski wrote 07/06/2016 at 07:51 point

Here you go: 

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Yann Guidon / YGDES wrote 07/07/2016 at 00:46 point

Welcome ! Give me as many informations as you can I help you.

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Tammy wrote 02/10/2017 at 17:51 point

Can you help me with a few phone numbers

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1021713941 wrote 07/06/2016 at 01:09 point


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Davidgoldenholz wrote 06/22/2016 at 03:05 point

hey all im working on lots of projects and yes i would like imput and help please so first im water cooling my pi :), second im making a raspberry pi sensor that will help firefighters get more understanding of what they are going into before they go in to the building ( i need lots of help on that one) lastly as of now im trying to get my SDR to work but dont know how could someone please help me out ?

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akohlsmith wrote 06/07/2016 at 18:05 point

IRC is definitely the way to go with this. there are already lots of similar channels on freenode (#hackvana and #electronics both come to mind) ... why create another?

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Yann Guidon / YGDES wrote 07/07/2016 at 00:36 point

because we can ? And we mine bitcoins in our browsers to keep the site alive:

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prog wrote 6 days ago point

Definitely. for SDR relates stuff: ##rtlsdr #hackrf #airspy on freenode

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