Raspberry Pi PID Loop: Float a Ball at Constant Height in a Tube
Raspberry Pi PID Loop Standard ping-pong balls have 40mm diameter. Acrylic tubes come in all sizes, but there is a standard 45mm OD tube, with 2mm walls, which leaves 41mm ID (Inside Diameter). Just enough for a ball to travel inside. So we took the challenge of floating the ball at constant height, using a …
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Raspberry Pi RS485 driver using the Industrial and Building Automation Cards
Adding a Raspberry Pi RS485/MODBUS port using the RS485 driver from the Industrial and Building Automation Cards 1. Install three jumpers to route the RS485-TX, RS485-RX and RS485-EN from the line driver to Raspberry Pi GPIO connector: 2. Disable the RS485 port on the local processor: ~$ megaind 0 wcfgmb 0 9600 0 0 3. …
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Automated planting in Iowa and Illinois
Automated planting in Iowa and Illinois using Raspberry Pi and Sequent Microsystems IO Cards Hello Mihai, I wanted to cue you in on our progress at Sabanto Ag using your IO cards. So far, we have planted around 400 acres this season on our tractors in Iowa and Illinois. Planting season was a bit delayed …
Pluggable Connectors for Raspberry Pi IO Cards
Pluggable Connectors for all IO Cards We provide all the required plugs with each card, but sometimes customers want to have spares, or loose some parts. The male connectors are soldered on the board. The female part holds the wires, usually 13 – 22AWG, with screws. Pitch is from 3.5mm to 5.08mm. A good source …
Raspberry Pi Pumps Water
Raspberry Pi Pumps Water at Magnolia Village Magnolia Village is a new residential development which sprung up the last few years in Paulesti, Romania A few years ago this was only a crop field. Today over 50 houses are ready and many more under construction. Electricity and gas was brought from far away. Sewer and …
