Luz  Runolfsson

Luz Runolfsson

1624354452

Raspberry Pi - Samples for Robotics, Node, Python, and Bash

raspberryPi

robotics

intent:

Currently designed to act as programmable sentry.

🔹 control	: RPI_0w using NodeJs server to access GPIO Python code
🔹 movement	: 4 MG995 Servos, 2 subMicro Grippers & HS55 Servos, PCA9685 I2C Controller
🔹 sensing	: RPI 2.1 Camera, Insiq Bluetooth Speaker, Microphone MI-305
🔹 travel	: Tamiya Track, Double Gearbox, 2 F130 DC Motors, L293D
🔹 added	: 10 mm color LED, USB mini microphone
🔹 power	: rechargeable TL-PB 10400 & TL-PB 5200 mAh Powerbanks

Explores various bare metal programming technologies. Future plans include:

▶️ completion of the I2C servo operation
▶️ VAC (Voice Activated Commands) for more autonomous response
▶️ simple AI NLP for generalized communication
▶️ ESA AstroPi SenseHat for environment detection

The descriptions below show the most recent developments first.


robot 3 / replaced Steppers with Servos

  • control: PCA9685 16 Channel 12-Bit PWM Servo Motor Driver
  • servos: (4) Servo Motor, PN: MG995
  • speaker: USB Bluetooth Speaker Insiq PN: 4326595940 🔹 (upgrades BT3500SLV)
  • servos: (2) Hitec subMicro Servo motor, PN: HS55 🔹 (upgrades HS300)
  • grippers: (2) Actobotics subMicro Gripper Kit, PN: 637104 🔹 (upgrades “A” Grippers)

The SketchUp 3D drawing required only new Flange & Gripper drawings. All the other components were accessible online.
robot_3_ISO


  • steppers: (4) Stepper Motor 28BYJ48 🔸 (later removed)

  • control: (4) ULN2003 Driver Board 🔸 (later removed)

The Steppers were compact, but required too many GPIO leads for a RPI 40 pin J8 form factor. Some website discussions implied that the RPI timing is not reliable enough for many I2C protocol calls.
robot_3_steppers


robot 2 / added camera, grippers

  • camera: RPi Camera v2.1 with 8 Megapixel & 1080p resolution, PN: 2.1
  • speaker: GearHead Bluetooth Speaker, PN: BT3500SLV
  • microphone: USB mini microphone, PN: MI-305
  • light: 10 mm color LED
  • battery: TPLink PowerBank 10400 mAh, PN: TP-PB10400 🔹 (upgrades 4 AA batteries)
  • grippers: (2) Actobotics Horizontal Gripper Kit “A”, PN: 637094
  • servos: (2) HiTec Servo motor, PN: HS300, with C24T or H25T spline

The Grippers and Speaker worked, but proved to be clunky.

robot_2

The LibreCad 2D CAD representation with BOM.

robot_2_CAD


robot 1 / travel control via SmartPhone

  • computer: RPi0WF 1.1 SOC with BCM2835 cpu
  • control: L293D Controller DriveShield
  • gearbox: Tamiya Double Motorized Gearbox, PN: 70168 with (2) F130 DC Motors
  • chassis: Tamiya Tracked Vehicle Chassis, PN: 70108-1500
  • battery: TPLink PowerBank 5200 mAh, PN: TP-PB5200 (for RPi)
  • battery: (4) AA batteries in case (for motors)

The RPi operates the L293D thru GPIO ports using Python PWM code signaled by a NodeJS server.

robot_1

software

raspberrypi

os base: Raspbian, Bash, Putty, WinSCP, GitHub…
python

control: Python & IDLE for DC motor PWM control
node

server: NodeJS, Express (JavaScript, HTML, CSS) for view
sketchup

drawing: LibreCad 2D CAD, Sketchup 3D

The L293D Controller pinout diagram.

L293D_Controller


xtra

github image viewer
stackoverflow github html discussion

HTML5 text folding
CSS&JS folding

markdown guide
collapsible markdown

Download Details:

Author: mamgeorge
Download Link: Download The Source Code
Official Website: https://github.com/mamgeorge/raspberryPi

#node #raspberry-pi #python #bash

What is GEEK

Buddha Community

Raspberry Pi - Samples for Robotics, Node, Python, and Bash
Luz  Runolfsson

Luz Runolfsson

1624354452

Raspberry Pi - Samples for Robotics, Node, Python, and Bash

raspberryPi

robotics

intent:

Currently designed to act as programmable sentry.

🔹 control	: RPI_0w using NodeJs server to access GPIO Python code
🔹 movement	: 4 MG995 Servos, 2 subMicro Grippers & HS55 Servos, PCA9685 I2C Controller
🔹 sensing	: RPI 2.1 Camera, Insiq Bluetooth Speaker, Microphone MI-305
🔹 travel	: Tamiya Track, Double Gearbox, 2 F130 DC Motors, L293D
🔹 added	: 10 mm color LED, USB mini microphone
🔹 power	: rechargeable TL-PB 10400 & TL-PB 5200 mAh Powerbanks

Explores various bare metal programming technologies. Future plans include:

▶️ completion of the I2C servo operation
▶️ VAC (Voice Activated Commands) for more autonomous response
▶️ simple AI NLP for generalized communication
▶️ ESA AstroPi SenseHat for environment detection

The descriptions below show the most recent developments first.


robot 3 / replaced Steppers with Servos

  • control: PCA9685 16 Channel 12-Bit PWM Servo Motor Driver
  • servos: (4) Servo Motor, PN: MG995
  • speaker: USB Bluetooth Speaker Insiq PN: 4326595940 🔹 (upgrades BT3500SLV)
  • servos: (2) Hitec subMicro Servo motor, PN: HS55 🔹 (upgrades HS300)
  • grippers: (2) Actobotics subMicro Gripper Kit, PN: 637104 🔹 (upgrades “A” Grippers)

The SketchUp 3D drawing required only new Flange & Gripper drawings. All the other components were accessible online.
robot_3_ISO


  • steppers: (4) Stepper Motor 28BYJ48 🔸 (later removed)

  • control: (4) ULN2003 Driver Board 🔸 (later removed)

The Steppers were compact, but required too many GPIO leads for a RPI 40 pin J8 form factor. Some website discussions implied that the RPI timing is not reliable enough for many I2C protocol calls.
robot_3_steppers


robot 2 / added camera, grippers

  • camera: RPi Camera v2.1 with 8 Megapixel & 1080p resolution, PN: 2.1
  • speaker: GearHead Bluetooth Speaker, PN: BT3500SLV
  • microphone: USB mini microphone, PN: MI-305
  • light: 10 mm color LED
  • battery: TPLink PowerBank 10400 mAh, PN: TP-PB10400 🔹 (upgrades 4 AA batteries)
  • grippers: (2) Actobotics Horizontal Gripper Kit “A”, PN: 637094
  • servos: (2) HiTec Servo motor, PN: HS300, with C24T or H25T spline

The Grippers and Speaker worked, but proved to be clunky.

robot_2

The LibreCad 2D CAD representation with BOM.

robot_2_CAD


robot 1 / travel control via SmartPhone

  • computer: RPi0WF 1.1 SOC with BCM2835 cpu
  • control: L293D Controller DriveShield
  • gearbox: Tamiya Double Motorized Gearbox, PN: 70168 with (2) F130 DC Motors
  • chassis: Tamiya Tracked Vehicle Chassis, PN: 70108-1500
  • battery: TPLink PowerBank 5200 mAh, PN: TP-PB5200 (for RPi)
  • battery: (4) AA batteries in case (for motors)

The RPi operates the L293D thru GPIO ports using Python PWM code signaled by a NodeJS server.

robot_1

software

raspberrypi

os base: Raspbian, Bash, Putty, WinSCP, GitHub…
python

control: Python & IDLE for DC motor PWM control
node

server: NodeJS, Express (JavaScript, HTML, CSS) for view
sketchup

drawing: LibreCad 2D CAD, Sketchup 3D

The L293D Controller pinout diagram.

L293D_Controller


xtra

github image viewer
stackoverflow github html discussion

HTML5 text folding
CSS&JS folding

markdown guide
collapsible markdown

Download Details:

Author: mamgeorge
Download Link: Download The Source Code
Official Website: https://github.com/mamgeorge/raspberryPi

#node #raspberry-pi #python #bash

Ray  Patel

Ray Patel

1619510796

Lambda, Map, Filter functions in python

Welcome to my Blog, In this article, we will learn python lambda function, Map function, and filter function.

Lambda function in python: Lambda is a one line anonymous function and lambda takes any number of arguments but can only have one expression and python lambda syntax is

Syntax: x = lambda arguments : expression

Now i will show you some python lambda function examples:

#python #anonymous function python #filter function in python #lambda #lambda python 3 #map python #python filter #python filter lambda #python lambda #python lambda examples #python map

Shardul Bhatt

Shardul Bhatt

1626775355

Why use Python for Software Development

No programming language is pretty much as diverse as Python. It enables building cutting edge applications effortlessly. Developers are as yet investigating the full capability of end-to-end Python development services in various areas. 

By areas, we mean FinTech, HealthTech, InsureTech, Cybersecurity, and that's just the beginning. These are New Economy areas, and Python has the ability to serve every one of them. The vast majority of them require massive computational abilities. Python's code is dynamic and powerful - equipped for taking care of the heavy traffic and substantial algorithmic capacities. 

Programming advancement is multidimensional today. Endeavor programming requires an intelligent application with AI and ML capacities. Shopper based applications require information examination to convey a superior client experience. Netflix, Trello, and Amazon are genuine instances of such applications. Python assists with building them effortlessly. 

5 Reasons to Utilize Python for Programming Web Apps 

Python can do such numerous things that developers can't discover enough reasons to admire it. Python application development isn't restricted to web and enterprise applications. It is exceptionally adaptable and superb for a wide range of uses.

Robust frameworks 

Python is known for its tools and frameworks. There's a structure for everything. Django is helpful for building web applications, venture applications, logical applications, and mathematical processing. Flask is another web improvement framework with no conditions. 

Web2Py, CherryPy, and Falcon offer incredible capabilities to customize Python development services. A large portion of them are open-source frameworks that allow quick turn of events. 

Simple to read and compose 

Python has an improved sentence structure - one that is like the English language. New engineers for Python can undoubtedly understand where they stand in the development process. The simplicity of composing allows quick application building. 

The motivation behind building Python, as said by its maker Guido Van Rossum, was to empower even beginner engineers to comprehend the programming language. The simple coding likewise permits developers to roll out speedy improvements without getting confused by pointless subtleties. 

Utilized by the best 

Alright - Python isn't simply one more programming language. It should have something, which is the reason the business giants use it. Furthermore, that too for different purposes. Developers at Google use Python to assemble framework organization systems, parallel information pusher, code audit, testing and QA, and substantially more. Netflix utilizes Python web development services for its recommendation algorithm and media player. 

Massive community support 

Python has a steadily developing community that offers enormous help. From amateurs to specialists, there's everybody. There are a lot of instructional exercises, documentation, and guides accessible for Python web development solutions. 

Today, numerous universities start with Python, adding to the quantity of individuals in the community. Frequently, Python designers team up on various tasks and help each other with algorithmic, utilitarian, and application critical thinking. 

Progressive applications 

Python is the greatest supporter of data science, Machine Learning, and Artificial Intelligence at any enterprise software development company. Its utilization cases in cutting edge applications are the most compelling motivation for its prosperity. Python is the second most well known tool after R for data analytics.

The simplicity of getting sorted out, overseeing, and visualizing information through unique libraries makes it ideal for data based applications. TensorFlow for neural networks and OpenCV for computer vision are two of Python's most well known use cases for Machine learning applications.

Summary

Thinking about the advances in programming and innovation, Python is a YES for an assorted scope of utilizations. Game development, web application development services, GUI advancement, ML and AI improvement, Enterprise and customer applications - every one of them uses Python to its full potential. 

The disadvantages of Python web improvement arrangements are regularly disregarded by developers and organizations because of the advantages it gives. They focus on quality over speed and performance over blunders. That is the reason it's a good idea to utilize Python for building the applications of the future.

#python development services #python development company #python app development #python development #python in web development #python software development

Tools and Images to Build a Raspberry Pi n8n server

n8n-pi

Tools and Images to Build a Raspberry Pi n8n server

Introduction

The purpose of this project is to create a Raspberry Pi image preconfigured with n8n so that it runs out of the box.

What is n8n?

n8n is a no-code/low code environment used to connect and automate different systems and services. It is programmed using a series of connected nodes that receive, transform, and then transmit date from and to other nodes. Each node represents a service or system allowing these different entities to interact. All of this is done using a WebUI.

Why n8n-pi?

Whevever a new technology is released, two common barriers often prevent potential users from trying out the technology:

  1. System costs
  2. Installation & configuration challenges

The n8n-pi project eliminates these two roadblocks by preconfiguring a working system that runs on easily available, low cost hardware. For as little as $40 and a few minutes, they can have a full n8n system up and running.

Thanks!

This project would not be possible if it was not for the help of the following:

Documentation

All documentation for this project can be found at http://n8n-pi.tephlon.xyz.

Download Details:

Author: TephlonDude

GitHub: https://github.com/TephlonDude/n8n-pi

#pi #raspberry pi #raspberry #raspberry-pi

Art  Lind

Art Lind

1602968400

Python Tricks Every Developer Should Know

Python is awesome, it’s one of the easiest languages with simple and intuitive syntax but wait, have you ever thought that there might ways to write your python code simpler?

In this tutorial, you’re going to learn a variety of Python tricks that you can use to write your Python code in a more readable and efficient way like a pro.

Let’s get started

Swapping value in Python

Instead of creating a temporary variable to hold the value of the one while swapping, you can do this instead

>>> FirstName = "kalebu"
>>> LastName = "Jordan"
>>> FirstName, LastName = LastName, FirstName 
>>> print(FirstName, LastName)
('Jordan', 'kalebu')

#python #python-programming #python3 #python-tutorials #learn-python #python-tips #python-skills #python-development