The ability to make good espresso is one of the most coveted skills in the coffee world. The rich body and complex flavor profile of a well-made shot brings the beans to life with a depth that other brewing methods…
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Blog Archives
New Product: CANable Pro – Isolated USB to CAN Adapter
The CANable Pro is a low-cost fully isolated USB to CAN adapter. Connect to any CAN2.0A/B network without worrying about common mode offset, ground noise, or damaging your computer! The CANable Pro is open-source hardware that is manufactured in the…
HydroBot: Deep Water Culture
Deep Water Culture (DWC) is a hydroponic gardening method in which plants are grown directly into a large pool of nutrient solution. Typically, plants are placed in net baskets full of a growing medium such as perilite or expanded clay…
HydroBot: Nutrient Film Technique
Continuous Flow or Nutrient Film Technique (NFT) hydroponic systems use a shallow stream (or film) of water recirculating through a channel to deliver nutrients directly to the plant roots. The stream is shallow enough that the uppermost roots laying in…
Tracking Balloons with WSPR
What is WSPR? WSPR is a low data rate digital protocol intended for measuring RF propagation, typically on LF and HF bands and at very low powers (often 1W to as little as 20mW). WSPR messages are digital packets that…
Tagged with: Encoding, HF, High Altitude Balloon, open source, Open-Source Hardware, RF, STM32F0, WSPR
Posted in HAB, Projects
Posted in HAB, Projects
HydroBot: Prototyping New Modules
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…
Tagged with: DIY, Growing, HydroBot, Hydroponics, Open-Source Hardware, Plants, STM32, STM32F0
Posted in HydroBot, Projects
Posted in HydroBot, Projects
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…
Tagged with: DIY, Growing, HydroBot, Hydroponics, Open-Source Hardware, Plants, STM32, STM32F0
Posted in HydroBot, Projects
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,…
Tagged with: DIY, Growing, HydroBot, Hydroponics, Open-Source Hardware, Plants, STM32, STM32F0
Posted in HydroBot, Projects
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.…
Tagged with: Adapter, CANable, CANbus, hardware, Open-Source Hardware, STM32
Posted in Announcements, Projects
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…
Tagged with: DIY, Growing, HydroBot, Hydroponics, Open-Source Hardware, Plants, STM32, STM32F0
Posted in HydroBot, Projects
Posted in HydroBot, Projects