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by CRImier
Sat Dec 08, 2018 6:43 am
Forum: General discussion
Topic: writing to the 24c32
Replies: 8
Views: 2507

Re: writing to the 24c32

Well, this thread hasn't been very helpful or understanding. Regardless, it's the first search result when you google '24c32 python smbus', so here goes an actual answer. This code works with both 24c02 and 24c16 (though you'll want to also iterate through addresses for using a 24c16 fully): from sm...
by CRImier
Sat Jan 06, 2018 7:07 pm
Forum: Device Tree
Topic: Overlay to remap Pi 3 UART
Replies: 126
Views: 121676

Re: Overlay to remap Pi 3 UART

Pi Zero W: the latest overlay that was uploaded by PhilE seems to work, I could connect to a Bluetooth keyboard and a Bluetooth speaker using bluetoothctl - it wasn't as stable&smooth as it usually is with Bluetooth device that are properly attached, I did get some weird delays&disconnects, but then...
by CRImier
Fri Jan 05, 2018 8:27 am
Forum: Troubleshooting
Topic: wpa_cli + onboard WiFi seems to be broken (Pi Zero W)
Replies: 0
Views: 609

wpa_cli + onboard WiFi seems to be broken (Pi Zero W)

So, for some reason, I'm unable to fully use wpa_cli on the Pi Zero with the onboard WiFi - it seems it's picking the wrong device. Flashed the latest (29-11-17) Raspbian image onto a Pi Zero Enabled UART and disabled the BT UART (enable_uart=1 and dtoverlay=pi3-disable-bt) Logged in through UART Ra...
by CRImier
Mon Nov 06, 2017 12:10 pm
Forum: Device Tree
Topic: Overlay to remap Pi 3 UART
Replies: 126
Views: 121676

Re: Overlay to remap Pi 3 UART

Can't remap Bluetooth on Pi Zero W, either. Will try the proposed overlays and see how it goes.
by CRImier
Mon Sep 18, 2017 1:21 am
Forum: Device Tree
Topic: config.txt filters - distinguish between Zero and Zero W?
Replies: 5
Views: 2467

Re: config.txt filters - distinguish between Zero and Zero W?

Honestly, overlay mod sounds like a hack .EEPROM, unfortunately, is not a solution for me, I'm using ID_SD and ID_SC pins for other functions, and I can't load the overlay at runtime because it concerns the UART, which has to stay on for debugging purposes from the beginning of Linux boot. Why do yo...
by CRImier
Sat Jul 15, 2017 12:22 pm
Forum: Device Tree
Topic: config.txt filters - distinguish between Zero and Zero W?
Replies: 5
Views: 2467

Re: config.txt filters - distinguish between Zero and Zero W

By all means raise an issue, but I think there ought to be a way to achieve the same thing - at least a far as overlays go - by having the overlays reference symbols in the board-specific device tree that only exist on the appropriate platforms. This may require the addition of some new symbols, bu...
by CRImier
Sat Jul 15, 2017 12:05 am
Forum: Device Tree
Topic: config.txt filters - distinguish between Zero and Zero W?
Replies: 5
Views: 2467

config.txt filters - distinguish between Zero and Zero W?

Hi! I'm making a SD card image for a thing that's designed to be compatible with both Zero and Zero W - however, Zero version is supposed to have sdio overlay to use ESP8266 as WiFi, and Zero W can't have it enabled because it would disable onboard WiFi - however, it needs UART re-mapped (in my appl...
by CRImier
Tue Mar 07, 2017 12:22 pm
Forum: General discussion
Topic: Extensive review of Zero W PCB changes (Designed in 2016?)
Replies: 2
Views: 650

Extensive review of Zero W PCB changes (Designed in 2016?)

Hi! I'm working on the ZeroPhone project and, naturally, I had to get the latest Zero, see what it's capable of and if it's going to be suitable. I didn't have time to actually turn it on and run tests - but I could point out a lot from simply comparing the Zero W and Zero boards. Some interesting b...
by CRImier
Sat Oct 01, 2016 10:29 am
Forum: Other projects
Topic: My wearable PC project
Replies: 12
Views: 3749

Re: My wearable PC project

4-5 hours from 2x 18560 2000mAh cells in parallel. Possible reasons: USB hubs I'm using not being very efficient with their integrated linear DC-DCs Lack of ability to disable BT and WiFi dongles for now It always is playing music for me I didn't experiment with CPU freq scaling yet I plan to get it...
by CRImier
Sat Oct 01, 2016 12:57 am
Forum: Other projects
Topic: My wearable PC project
Replies: 12
Views: 3749

Re: My wearable PC project

Nice! I'll wait for your responses! Yeah, a power bank should do nicely - too many caveats with car batteries. I'm not any kind of active, and most people do create accounts here to ask one or two questions, then disappear because they have nothing to do here =) I do not inhabit this forum in any wa...
by CRImier
Mon Sep 19, 2016 10:37 am
Forum: Other projects
Topic: My wearable PC project
Replies: 12
Views: 3749

Re: My wearable PC project

I suggest you get creative with boxes then, if you really really can't use a 3D printer / laser cutter - it'd be work intensive to do it without one. I can suggest looking at local electronics stores - they sometimes sell plastic boxes for projects you can use for your device. Salvaged electronics e...
by CRImier
Sun Sep 04, 2016 9:00 am
Forum: HATs and other add-ons
Topic: Help ID mystery board, please!
Replies: 11
Views: 2101

Re: Help ID mystery board, please!

From what I've understood, it should be pretty useful. It has a switching DC-DC from higher voltages, so that you can use, for example, a 12V power supply - and it will be pretty efficient, giving all the amps needed for your Pi, could work pretty well on Pi3, for example. I'd use it on one of my Pi...
by CRImier
Sun Sep 04, 2016 8:53 am
Forum: Other projects
Topic: My wearable PC project
Replies: 12
Views: 3749

Re: My wearable PC project

Hi! My project is finished at the hardware level, having undergone multiple iterations, after 3 years of tinkering and, sometimes, active development =) Here's a link to my Hackaday project page. Some photos: http://i.imgur.com/dfeZcJOl.jpg http://i.imgur.com/35RVlVNl.jpg Now onto addressing your qu...
by CRImier
Tue Jun 07, 2016 8:33 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: How to get to I2C line on Pi Zero camera port?
Replies: 12
Views: 3108

Re: How to get to I2C line on Pi Zero camera port?

Thank you very much, this seems to be exactly what I needed!
by CRImier
Tue Jun 07, 2016 5:52 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: How to get to I2C line on Pi Zero camera port?
Replies: 12
Views: 3108

Re: How to get to I2C line on Pi Zero camera port?

Just solder a GPIO header on to the GPIO, that should give access to I2C in the same way as the other boards. No. I need to make sure my setup does not interfere with whatever I might use the GPIO-accessible I2C from. I'm perfectionist like that when it comes to tools I make for myself, which my pr...
by CRImier
Tue Jun 07, 2016 4:57 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: How to get to I2C line on Pi Zero camera port?
Replies: 12
Views: 3108

How to get to I2C line on Pi Zero camera port?

I want to use I2C on it for my project. It's an EE workbench and thus I2C on GPIO has to be free for different experiments I might be conducting. The problem is - I'm not sure how to get to I2C on camera port in newer revisions when it comes to software. Do I need to use i_know_what_im_doing thing i...
by CRImier
Tue Jun 07, 2016 4:52 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: how to attach printed circuts?
Replies: 3
Views: 784

Re: how to attach printed circuts?

You need a FPC connector, you might have seen these in your PSP1000 when you were disassenbling it - they are those things the button circuits were inserted into. If you have the original board from your PSP1000, you could desolder the connectors from it. If not, you can buy these connectors in loca...
by CRImier
Mon Apr 25, 2016 9:03 pm
Forum: General discussion
Topic: Analogue PAL TV on Raspberry Pi
Replies: 10
Views: 4000

Re: Analogue PAL TV on Raspberry Pi

So you need DVB-T?
by CRImier
Mon Apr 25, 2016 8:52 pm
Forum: General discussion
Topic: Analogue PAL TV on Raspberry Pi
Replies: 10
Views: 4000

Re: Analogue PAL TV on Raspberry Pi

Can you find a Linux-compatible USB receiver for that? If so, there's most likely software supporting it that'd work on Pi, too. If you (can) get simple analog video from that (in same way that Pi outputs it), you can use a STK1160 dongle for receiving it.
by CRImier
Mon Apr 25, 2016 8:38 pm
Forum: General discussion
Topic: pyLCI - external interface for Raspberry Pi
Replies: 0
Views: 676

pyLCI - external interface for Raspberry Pi

Hi! I'm a programmer and maker, and I use Raspberry Pi computers for a long time. Over that time, I've got a list of problems I and other people encounter while working with them. Mostly, they all have the same cause - Raspberry Pi doesn't have a simple interface to control the most crucial aspects,...
by CRImier
Mon Apr 25, 2016 7:24 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: I2C to 16x2 LCD converter - voltage and RPi connection.
Replies: 19
Views: 9425

Re: I2C to 16x2 LCD converter - voltage and RPi connection.

Hi! For all interested, I've tried the "remove pullups" method and it didn't work reliably for me. I did an Instructable on this: instructables.com/id/Raspberry-Pi-Using-1-I2C-LCD-Backpacks-for-1602-Sc/ , it tells tells you how to modify that backpack, as well as provides Python code for driving it...
by CRImier
Sat Apr 23, 2016 2:00 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: I2C to 16x2 LCD converter - voltage and RPi connection.
Replies: 19
Views: 9425

Re: I2C to 16x2 LCD converter - voltage and RPi connection.

Hi!

For all interested, I've tried the "remove pullups" method and it didn't work reliably for me. I did an Instructable on this: instructables.com/id/Raspberry-Pi-Using-1-I2C-LCD-Backpacks-for-1602-Sc/ , it tells tells you how to modify that backpack, as well as provides Python code for driving it.
by CRImier
Tue Apr 05, 2016 8:42 pm
Forum: General discussion
Topic: Simultaneous AP and client using two wireless adapters
Replies: 4
Views: 1171

Re: Simultaneous AP and client using two wireless adapters

In this set up, does the client adapter auto connect to the saved/preferred AP (e.g., when I'm home it'll connect to SSID "digityzed pad" and when I'm using my mobile hot spot auto connect to SSID "digityzed hotspot")? Yeah, it's been the case for me. You just enter 2 "network={...}" definitions in...
by CRImier
Tue Apr 05, 2016 11:08 am
Forum: General discussion
Topic: Simultaneous AP and client using two wireless adapters
Replies: 4
Views: 1171

Re: Simultaneous AP and client using two wireless adapters

How do I set up one wireless USB adapter (or RPi 3's built-in WiFi) to always be in client mode AND auto connect to an available saved/preferred wireless network and another wireless USB adapter to always be an AP and not disrupt Internet connectivity of the first wireless adapter? You set up the f...
by CRImier
Tue Apr 05, 2016 10:44 am
Forum: Python
Topic: pyLCI - an innovative interface for Raspberry Pi computers
Replies: 0
Views: 990

pyLCI - an innovative interface for Raspberry Pi computers

Hi! I'm a programmer and a maker, and I use Raspberry Pi computers in my creations a lot. The thing is - sometimes it's just necessary to configure them without having to plug a lot of peripherals, like keyboards, mice and monitors. You know, most of our Linux computers have screens, keyboards, touc...

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