Blog Archives

HydroBot: Connecting the Modules

HydroHub is a HydroBot module designed to connect together HydroBot modules in a star topology. The hub provides power and CAN connectivity to a total of eight channels. It has a DC barrel jack for connecting an external power supply, as

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Posted in HydroBot, Projects

HydroBot: Switches and Relays

RelayDrive is a HydroBot module designed to drive relays and other electro-mechanical devices. It consists of 4 low-side outputs, each rated for 1A continuous current, as well as 4 digital inputs, and is controlled over CAN. This module is intended to drive mechanical relays, solid state relays,

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Posted in HydroBot, Projects

The CANable USB to CAN adapter is now cheaper and back in stock!

The CANable open-hardware USB to CAN adapter is now back in stock! You can order directly from the Protofusion Tindie store. I dropped the price to $25, making the CANable an even more affordable way to interface with the CANbus.

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Posted in Announcements, Projects

HydroBot: Measuring Atmospheric Conditions

AirSense is a HydroBot module designed to measure air temperature, relative humidity, and barometric pressure. It uses the Bosch BME280 atmospheric sensor to take measurements and sends the results out over CAN. The module can measure temperatures from 0 to +65°C

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Posted in HydroBot, Projects

HydroBot

HydroBot is a modular control system for automating hydroponic gardens. This system is designed with three objectives in mind. First, it will facilitate optimal growing techniques by using scheduling and feedback control loops to maintain state and adapt to changing conditions. Second, it will simplify controls

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Posted in HydroBot, Projects

CANable now available for purchase!

The CANable USB to CAN adapter is now available for purchase on the Protofusion Tindie store! The CANable is an open-source USB to CAN adapter that works on Linux, Mac and Windows. The CANable shows up as a virtual serial

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Posted in Announcements, Projects

The CANable: a small USB to CAN adapter

The CANable is now available for purchase on the Protofusion store! The CANable is a hardware clone of Eric Evenchick’s CANtact project, an open-hardware USB to CAN adapter compatible with socketcan. I took his design and reworked the hardware to

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Posted in Projects

Open Hardware Pogo-Pin Programmer

The ProtoProg is a small open source hardware pogo pin programming solution. The ProtoProg does not need a physical connector on the board, it uses surface-mount pads for signals and thru-holes for alignment. Two standard footprints are available, the smallest of

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Posted in Projects, ProtoProg