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Archive for the ‘open source’ Category

How to build your Energy Load manager

Wednesday, September 12th, 2018

A detailed instructions of how to build an Energy Load manager from Open Electronics: When the instantaneous power consumption exceeds the set values, it selectively disconnects the users, in order to prevent the electric meter to cut the power to disconnect. The management of the electricity users at home, intended...

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Posted in how-to, open source | No Comments »

Build a Multisensor Shield for ESP8266

Monday, September 10th, 2018

Rui Santos has a great write-up on building a Multisensor Shield for ESP8266, that is available on GitHub: In this project you’ll discover how to design and create a Multisensor Shield for the ESP8266 Wemos D1 Mini board. The shield has temperature sensor (DS18B20), a PIR motion sensor, an LDR,...

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Posted in open source, tutorials | No Comments »

Grbl_ESP32 CNC development board

Saturday, August 25th, 2018

Bart Dring has designed a development board for using CNC on Grbl ESP32: This is a Grbl_ESP32 CNC Development board. This is a quick and easy way to use and test CNC on the ESP32 controller. Grbl is a great CNC firmware that has been around for nearly a decade....

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Open source RISC – Eclipse with RISC-V on the SiFive HiFive1 board

Friday, August 17th, 2018

Erich Styger writes: Open Source software has been around for decades. But open source on hardware especially microcontroller is not much a reality these days. But there is something which might change this: RISC-V is a free and open RISC instruction set architecture and for me it has the potential...

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Posted in open source | 1 Comment »

Wyostat: Open source Thermostat Pt. 1

Thursday, August 2nd, 2018

Kevin has been working on building his own thermostat, that is available on github: Does the world need another connected thermostat? When my thermostat went on the blink last winter, I looked at Nest, and Ecobee, and the other me-too thermostats, and I decided I would rather build my own....

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Posted in hacks, open source | No Comments »

Energy Meter module to analyze the electrical grid parameters and consumption

Thursday, July 26th, 2018

Boris Landoni from Open Electronics writes about a new open source energy meter project: In the first installment, you had the opportunity of learning about our energy meter, and of learning about its details, with special attention the technical ones. Our energy meter is based on the coupling – by means...

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Open source Agilent 53132A 53131A OCXO ultra high stability oven upgrade

Tuesday, July 24th, 2018

Gaurav Singh made an open source 53132A OCXO Ultra stability time base, that is available on github: While i was working with my own GPSDO project. i need to have a frequency counter with descent stability so purchased my self a Agilent 53132A which is a 12 digit frequency counter,...

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Posted in open source, PCBs | No Comments »

Ethernet Relay board

Wednesday, June 27th, 2018

Boris Landoni from Open Electronics writes about a new open source project Ethernet Relay board: The project we are introducing in this article wants on to take on that task by creating, through dedicated connections, the possibility to remotely control your entrance gate, your fish tank, the garden lights, the...

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Posted in open source | 1 Comment »

RobotX is open source

Tuesday, June 19th, 2018

James Bruton writes, "I’ve decided to open-source RobotX so anyone can have a go. I also made some extra foot sensors for the robot in the video below. You can get the CAD and code from my Github." See the full post on XRobots blog. Check out the video after...

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Posted in open source, robotics | 3 Comments »

CANable: the open source USB to CAN adapter

Tuesday, May 29th, 2018

An open-source USB to CAN adapter: It supports CAN bit-rates of up to 1 Mbit/s. The product comes with an open-source SocketCAN driver software. It features a Micro-USB connector and a 4-pin screw terminal with CAN_H, CAN_L, 5-V supply, and ground. The CANable device is a hardware clone of Eric...

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Traktorino, an open source DIY MIDI controller

Wednesday, April 4th, 2018

Here's an Arduino based open source MIDI controller by Musico Nerd, the Traktorino: The Traktorino is a powerful low-cost DIY MIDI Controller. It is based in the Arduino platform and it comes in DIY kit, or assembled. In its core, there’s a shield that connects to an Arduino Uno, which...

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Posted in Arduino, DIY, open source | No Comments »

An open source frequency meter and clock generator

Friday, March 23rd, 2018

Boris Landoni writes about an open source project frequency meter and clock generator: On the hardware of the controller board LED Matrix, by taking advantage of the reconfigurability of the onboard FPGA, we can build a bivalent tool that is extremely useful to have on our work bench. Via Open Electronics.

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Posted in FPGA, open source | 4 Comments »

DC/DC switcher for 5v TO 3v at 750mA in a TO-220 7805 footprint

Thursday, March 8th, 2018

An open source small DC/DC 3W switcher to drop 5V to 3V in a 7805 TO-220 pinout from Black Mesa Labs: This post is an open source hardware design from Black Mesa Labs for a simple DC/DC converter for dropping 5V to 3.3V ( or adjustable to lower voltages via...

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Posted in open source, power supply | 1 Comment »

Open source 22mm diameter PCB project

Wednesday, February 14th, 2018

An open source 22mm diameter PCB project from Concretedog, that is available on github: So I posted a while back about how I had used these 22mm pcb's I'd made in prototyping an ematch ignitor system for use in rocketry. Although I made these stackable boards so they would fit...

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Posted in open source, PCBs | 3 Comments »

CHIP Pro TNC

Wednesday, December 27th, 2017

Angus Ainslie writes about an open source project a CHIP Pro TNC: So I finally have a design of the TNC I’ve been working on that I think is ready for release. Initially this started with me wanting a replacement for my mobilinkd and AP510. With feature creep it has...

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BML HDMI video for FPGAs over PMOD

Friday, December 15th, 2017

Here are two open-source-hardware HDMI  video boards for adding digital video to FPGA platforms with standard PMOD connectors from Black Mesa Labs: The BML 3bit HDMI over single-PMOD uses 7 of 8 available LVCMOS 3.3 pins on a single PMOD to provide 3bit color ( R,G,B 100% On or Off )....

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Posted in FPGA, open source | No Comments »

An open source rain and humidity sensor couple

Wednesday, August 2nd, 2017

Boris Landoni writes about a new open source rain and humidity sensor project: It detects humidity through two sensors which are to be used alternatively to let us know when there is water on the ground because it’s raining, or when the water level in a flowerpot is too low and...

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Posted in open source, sensors | 2 Comments »

HydroBot: Prototyping new modules

Tuesday, July 25th, 2017

Matthew Reed writes: ProtoModule is a HydroBot module designed to easily develop and test new monitoring or control functions that may someday go into a HydroBot module. It has 11 GPIO pins and the power rails broken out on a 0.1” pin header for easy breadboarding or interfacing with ribbon...

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Posted in DIY, open source | 2 Comments »

8-bit assembler compiler project

Monday, May 22nd, 2017

Dilshan Jayakody writes, "8-bit Assembler compiler is NASM compatible assembler compiler to generate binaries for 8-bit x86 like CPUs. The binaries produced with this compiler can execute on Marco Schweighauser's 8-bit virtual Javascript CPU. This native compiler can build using Lazarus / FPC. During the implementation we build and test...

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Posted in open source, software | 2 Comments »

A 2-channel receiver that can save your old Motorola TX

Thursday, May 18th, 2017

Boris Landoni writes about a new open source project 2-channel receiver that can save your old Motorola TX: A 433,92 MHz Receiver that can be paired with a maximum of 10 Motorola TX each with relay outputs that can be set both in monostable or bistable mode. Although we have had...

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Posted in open source | No Comments »

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