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This design uses a Load Cell, an op-amp and the Custard Pi 3 with a Raspberry pi to measure weights.   The circuit is presented below     For full documentation and sample Python Code go the SF Innovations Tutorials page and click on the Custard Pi 3 weighing scales project.   The sample Python code can be downloaded from the SF Innovations Downloads page  ...
I was keen on turning things ON and OFF remotely by sending an e-mail to the Raspberry Pi. The Mains Switch Widget (MSW) allows me to easily plug in an appliance and use the Raspberry Pi to control it. I looked at Twitter and then text messages to control the MSW. Twitter did not allow me to send the same message twice, which was kind of essential to send ON and OFF commands. Text messages looked a little complicated with either a GSM connection or some sort of text to e-mail service.   Co ...
This is a hardware hackers dream with a host of features built in as shown below.       2 Relay outputs 4 Open Collector outputs 2 Built in Switches 8 General Purpose Digital I/O 4 Analogue inputs 1 Analogue output 16 pin LCD Interface LED indication on most ports Screw terminal connection on most ports Flexible Power Supply   Board can be powered from Raspberry Pi   Board and Rpi can be powered from 5V supply   Board and Rpi can be powered by 2 separate 5 ...
Hello everyone, Madhu here! For today's post I thought I'll share two interesting projects from a dinner meeting at a local Makerspace (Raspberry Pi Night) in Framingham MA.   The first was an electronic door strike. The code and the idea was gifted to the Framingham Makerspace, which is not only used to regulate access to their members but also as their symbol of pride. The video below is a testament to the ease and elegance of granting access to the members. One of the makers decided to a ...
Ich habe ein GPIO Pin Worksheet für den Raspberry Pi Modell B und B+ erstellt. Das Arbeitsblatt ist in verschiedenen Formaten frei erhältlich.   Als Excel Als Open Excel Als PDF Als Bilder (Jpg)   Ihr könnt das Arbeitsblatt unter Angabe der Quelle (URL) gerne für eure Dokumentationen, Blogs zur Schulung, oder für was auch immer ihr wollt, verwenden. Die Downloads gibt es hier: Raspberry Pi Modell B+ GPIO Pins Worksheet   Viel Spaß! ...
Seems a few folks are having an issue logging into the PI B / B+ using SSH and may be following misleading instructions so I just compiled a set of screen shots showing the process for mine, this has not had anything specific to enable SSH, so it should work with  any new install using the Debean (Raspbian) distro Step one, load "Putty", if you don't have it then google putty, download it and install now enter the IP address of the PI, you should be able to find this out from your house ...

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