Questions tagged [pi-a]

a model of the Raspberry 1 (released 2012), without onboard ethernet and only one USB port.

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USB hub is switched into USB1 mode with USB2 peripherals

I was wondering why my USB sd-cardreader operates that slow, see this benchmark: root@DietPi:~# hdparm -tT /dev/sda1 /dev/sda1: Timing cached reads: 4 MB in 2.00 seconds = 2.00 MB/sec ...
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317 views

Are there any buzzers that work natively with 1 Model As?

I'm trying to follow the examples in this CanJam EduKit project -- see page 2: I'm having enormous difficulty tracking down a piezo/buzzer that I could use for that project, a buzzer that: Works "...
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387 views

When to set internal pin resistance at software layer

I'm trying to wire my Raspbery Pi 1 Model A (hereafter RPi) to a simple 6VDC buzzer and here is my best attempt: So the 3.3V power pin from the RPi is connected to the breadboard's top-most rail via ...
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198 views

Turning on-off-on-off switches to normal switches and integrating with GPIO [closed]

I have the following on-off-on-off button that I purchased from Adafruit for use with my Raspberry Pi 1 Model A. I'm trying to "bypass" the "on-off-on-off" functionality, and just make it so that its ...
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1answer
4k views

GPIO pin wiring for LEDs and their resistors

I have a Raspberry Pi 1 Model A and am trying to control an LED from an app that I will be running on it. The wiring I'm planning on going with is: Even though thats a RPI 3 in the diagram above, the ...
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52 views

Raspberry 1 Model A RCA hookup to monitor

I want to hook my Raspberry Pi 1 Model A up to an older monitor that doesn't support HDMI. From the looks of it, RCA video output seems to be a possibility: Just a sanity check (because my ...
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70 views

Pi Model 1A won't connect to my router via Ethernet cable

I have an old Raspberry Pi 1 Model A that I am trying to fire up for the first time. I followed the Ethernet Gadget tutorial exactly: I inserted an SD card into my laptop (MacBook Pro) I used Etcher ...
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80 views

Can a smartphone acts as a power supply to a Model 1A?

I have the following USB MicroB-to-A cable that I use for charging my phone (Samsung Galaxy S7 Edge): I'm wondering if I can power my Raspberry Pi 1 Model A with my phone?! The USB-MicroB end would ...
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2answers
88 views

SSHing from Mac into Pi A

I have a Raspberry Pi 1 Model A, as well as a MacBook Pro (running Sierra 10.12.6), and would like to: Use a USB cable (from Mac -> RPi) to provide my RPi with power/voltage; and; and SSH into my RPi ...
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81 views

Calculating wiring and properties of a resistor for use with a pushbutton

Raspberry Pi 1 Model A here. I am planning on using this pushbutton in a hobby project that is very similar to this CamJam EduKit project. In that CamJam project link, on page 2, I see a simple ...
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89 views

RPi 1 Model A input/output pin ratings

RPi 1 Model A here. Brand new to RPi and electronics in general. I'm finding a hard time finding the exact voltage/current "ratings" for my model but the closest I could find was a comment under this ...
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2k views

Does Stretch Lite support systemd?

Rpi 1 Model A here. I would like to use a Raspbian image in my first pi project, and want to configure it to run an executable Java app (jar file) at startup. According to this article I might be ...
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38 views

Raspberry Pi 1 Model A and Pushbuttons: Simple solution [closed]

I have a Raspberry Pi 1 Model A and am interested in attaching pushbuttons to its GPIO pins so that when you physically push the button, the button sends a signal to the GPIO pin that can then be ...
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1answer
225 views

Can Etcher be used to customize the base Raspbian image?

I was wondering if anyone in this community has used Etcher to burn OS images to a Raspberry Pi. I have a Rapberry Pi 1 Model A and would like to use Etcher to burn Raspbian Stretch Lite to it with ...
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28 views

Model A and peripheral component compatibility

I have a Raspberry Pi 1 Model A and have a simple hobby project I'm tinkering with. I will have two pushbuttons (PB1 and PB2 respectively) wired to the GPIO pins, as well as a buzzer and an LED. The ...
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1answer
194 views

How to install a nix OS once and only once

I have a Raspberry Pi 1 Model A and would like to install a *nix (probably either Raspbian or Ubuntu) OS to something (SD card, whatever) so that I only have to install it one time, and that the rpi ...
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165 views

Hardware and OS Options for Quick Dev/Test Cycles on the Model A

I have a Rasperry Pi 1 Model A. I want to use it on a hobby project that will require me to have lots of dev/test cycles where I: Write some code in a higher-level language (Scala; but could be ...
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1answer
120 views

OS Jessie only connects SSH after machine login?

I am using Debian 8 (Jessie) on my RPi A (previously I was using wheezy). When I try to connect from Windows with BitVise SSH, it refuses and the connection times out, implying there is no such ...
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323 views

Connecting 32 pin LED matrix to Raspberry Pi

I have a Raspberry Pi Model A and a 32 pin 8x8 full color LED Matrix. I would like to connect these up so my Raspberry Pi can control all the LEDs. This is the LED matrix I have: https://www....
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1k views

What are the differences between the models A and A+?

There are minor hardware differences between Model A (as released 2012) and Model A+ (as released 2014). What are they and what things can be done with an A+ the cannot be done with the A? Does ...
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4k views

Checking all the specific GPIO pins if it is HIGH or LOW and putting it in a CONDITION

Can you give me an idea on how to check the statuses of specific GPIO pins if it is HIGH or LOW? My project is all about checking the statuses of GPIO pins (6 GPIO pins). I want to check all of the ...
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307 views

Extracted SMS body and passing it in a condition (Python)

This is my class for checking unread messages def CheckUnreadMsgs(ser) print "Check for new messages...\n" ser.write("AT\r") time.sleep(3) line = ser.read(size = 64) print line ...
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442 views

How to configure a Pi model A for OTG usage (as a USB slave)

Seeing as how the model A supports OTG mode via the hardware (both the CPU and USB controller were designed for it) The USB host port inside the Pi is an On-The-Go (OTG) host as the application ...
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283 views

Why does't eth0 come up?

I have a model a on which I'm running raspbian from autumn 2013. It was a model b DC powered wifi 3g router. Now its a solar powered wifi 3g router Swapped the SD card into the A from the B and ...