Questions tagged [raspberry-pi]

Questions concerned with running Ethereum software on a Raspberry Pi. A small, low cost, single board computer.

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Is a Raspberry Pi 2 a suitable piece of hardware to run a Quorum Node with Tessera? If so has it been done?

I would like to set up some Quorum nodes (5) for test purposes and thus far have been unsuccessful in getting a node to run on a Pi 2. The work has stopped due to the need to recompile the binaries ...
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1answer
56 views

is there any way to save data from sensor on smart contract automatically?

I want to take the temperature value from one sensor on save it on the contract of manually , i tried to use node-red , or raspberry pi but i didn't get a good result. the second question is it ...
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1answer
212 views

Run geth in light mode on Rinkeby and Raspberry

I am trying to run geth --light --cache 64 --rinkeby but it stucks on INFO [02-12|08:58:16] IPC endpoint opened: /home/pi/.ethereum/rinkeby/geth.ipc. I am using geth on a Raspberry. The full output ...
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54 views

What are the Minimum Requirements for a Quroum node?

I am planning to run a Quorum (Ethereum fork) blockchain on my business. I was wondering if quorum node will run on a Raspberry Pi 3 Model B+. Raspberri Specs: Broadcom BCM2837B0, Cortex-A53 (ARMv8)...
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56 views

Storing Private Keys in IoT Devices

In a network of IoT devices like internet-connected Raspberry Pis which sends transactions to the Ethereum blockchain, the Pis need to be able to access their own Ethereum private keys in order to ...
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1answer
126 views

Ethereum network and raspberry pi

I am a baby to ethereum blockchain. Is it possible to interact with the local ethereum network that resides on my laptop from my raspberry pi? I need to connect with the smart contract that is ...
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1answer
43 views

Smart contract to send data to requested device

I have multiple Pi's connected to a miner in a private network, where one pi is collecting sensor data, and am able to send ether from all the devices and they are all synchronised with the private ...
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1answer
201 views

Node on Raspberry Pi and connection via web3.js

I have installed a geth-node on raspberry pie. Raspberry pie is connected via Ethernet. Now I am trying to connect to this node via web3.js var ethWeb3 = new Web3(new Web3.providers....
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2answers
1k views

How to connect to private Blockchain

I got some misunderstanding with how to connect to my private Blockchain. So, I got private Blockchain and I can mine there. I activate there genesis.json file, made mew account for "coinbase". For ...
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1answer
281 views

Posting data from raspberry pi on blockchain and retrieving it back

I am new to blockchain technology. I just want to know if it is possible to post the data from raspberry pi on blockchain (ethereum) and retrieve the posted data for viewing. My question is if its ...
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0answers
81 views

Runtime out of memory on RPi with ethereum node

I have a private network of ethereum with 2 miners on my PC and a node on RPi, after syncing it says: Fatal: runtime: out of memory The sd card is 16Gb and it should have plenty of free space, is RAM ...
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1answer
367 views

How do I make a raspberry pi a node in the testnet blockchain ? Is it possible?

Me and my friends have decided to do a small project using 3-4 RPIs and making transactions between them using smart contracts. The smart contracts will trigger events based on weather or any real ...
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2answers
2k views

How to write a smart contract for RPi sensor?

I have a PC with two nodes running on it, and a Raspberry Pi which also has Geth running. Problem is how to write a smart contract so that sensor to send the measurements to the blockchain ...
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1answer
354 views

go lang installation error - raspberrypi

I needed to create privatenet in raspberrypi and installed go1.9. Cloned geth, extracted it. When 'make geth' command is passed I get following error. Please help me out github.com/ethereum/go-...
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1answer
3k views

How to install geth on RPi 3B?

Raspberry Pi 3B (arm7) with Raspbian (which /etc/debian_version shows as 9.1) I'm logged in as the user pi. I'm following instructions from http://raspnode.com/diyEthereumGeth.html. After installing ...
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2answers
274 views

Can I start downloading the blockchain, power off the computer, and restart later?

I have an RPi 3b, the OS is set up and internet works. I'm a programmer, know how to use basic linux (but I'm not great at being a linux admin), but I'm new to RPi and setting up a cryptocurrency ...
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3answers
22k views

Can I use an Raspberry Pi 3 to mine Ethereum or is it useless?

I bought my Raspberry Pi 3 to run little Go based programming projects on it I stumbled over Go Ethereum After I watched some Youtube videos about Ethereum I wonder how much Euros can a Raspberry Pi ...
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1answer
654 views

What is the best parity configuration to run a full archive node on raspberry pi?

I am using a raspberry pi to download the archived version of the blockchain with parity. I've started parity with parity -d /home/xxx/data/Ethereum --pruning archive --public-node However, the ...
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1answer
552 views

geth mining on 32bits host (raspberry pi) memory error

My objective is to create a private testnet, and mining it on a 32bits hardware (RPi3). The memory error I keep getting during DAG generation, if Im not mistaken, is excepted if I am running it on a ...
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0answers
448 views

npm install ethereumjs-util on a raspberry pi

I am using a raspberry pi as an air-gapped computer. Web3 installs and works just fine on my pi. My problem is I need to get a public address from a private key and this requires ethereumjs-util which ...
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1answer
1k views

Copy chaindata from one device to another?

After trying to sync the ether wallet with my laptop without success (it took too long and I finally switched off the computer) I started the syncing process from a Raspberry Pi 3 through Geth. The ...
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1answer
404 views

Connecting to my raspberry pi - how safe is that?

My setup is simple, I have a laptop and a raspberry pi on the same network. I installed parity on my raspberry pi and successfully connected to it, e.g., with geth attach http://192.168.1.:8545. All ...
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2answers
505 views

How to autonomously trigger transactions from Node.js?

I have a a JS file running on NodeJS on multiple devices which interact to each other, trying to write data on the Blockchain and send transactions. The problem is that every time I have to manually ...
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1answer
871 views

Raspberry Pi v3B support on Ethereum

We are in the starting phase of Ethereum and Raspberry pi. I came to know from documentation that Ethereum supports Raspberry pi v2. I just wanted to know whether it supports Rasbperry pi v3 model B?
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2answers
2k views

Installing geth on Raspberry Pi 3 - cannot allocate memory error

I've been using this script to attempt to install geth on a Raspberry Pi 3. It seems to work ok until part way through the build: pi@raspberrypi:~/go-ethereum $ make geth build/env.sh go run ...
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1answer
790 views

Installing ethereum node on Raspberry pi errors

I have been following the steps of this guide: http://raspnode.com/diyEthereumGeth.html but i get stuck on the "make geth" command, where my RPI outputs this error: build/env.sh go install -v -...
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6answers
23k views

How to check my sync status on Geth 1.5.5, Raspberry Pi 3

Have a Geth 1.5.5 node running on a raspberry pi 3. When I type in sudo systemctl status geth I'll get ever changing time and block information. Neat, but how do I know when I am synced up? Is ...
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0answers
139 views

Raspberry Pi: Geth slow sync every time reboot

Since the first sync (I copy the chaindata folder from my local machine to the RPI), every time I start the RPI it takes hours to just sync 20k blocks. I tried geth --cache=512, etc. I am using ...
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1answer
555 views

Connecting two nodes one on rasberry pi and other on Ethereum

The rasberry pi and my laptop are using same network From my laptop admin.addPeer("enode from above rasberrypi") enode://...
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3answers
3k views

Can Ethereum or Mist run on Raspberry Pi 1, 2, 3, or Zero?

Would an ethereum client or mist be able to run on a raspberry pi? It's a simple yes or no question with an explanation. I don't want links to "light" versions of ethereum, as that's not what I'm ...
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1answer
343 views

Can Ethereum be pruned to the extent that it could be run from a Raspberry Pi?

What are the limits to how much the ETH blockchain can be pruned. Will ETH ever be practical on devices with limited resources such as a Raspberry Pi, Android or iOS wallet?
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1answer
239 views

How can I verify that the network sees my node?

I've set up an Ethereum node on a spare Raspberry Pi 2 with a 64GB memory card. I used the excellent instructions found on github. The blockchain has synced. I have a few questions: How can I verify ...
17
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5answers
13k views

geth import vs copying chaindata

I'm trying to sync my RPi 2 with the blockchain. geth import runs quite slowly, as well as syncing from scratch. What would be the problem in just copying the .ethereum/chaindata folder from ...
5
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1answer
757 views

How can I generate a cold wallet completely offline WITH a random number seeded by me?

Requirements: 1) An account created on a raspberry pi that has never been connected to the internet ever. 2) A great private key on this account, that does not rely on any random number generator. 3) ...
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2answers
3k views

How can ethereum be used to send messages between connected machines?

I want to know how I can send messages between accounts and contracts. The idea is that I have three Raspberry Pi devices. Each one is connected to an object (the first to a temperature sensor, the ...
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1answer
700 views

Get Ethereum to run on a Raspberry Pi Zero? [closed]

How would one get Ethereum to run on a raspberry pi zero?