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WildIsland.Beer CBPI board
The home of the wildisland.beer craftbeerpi raspberry pi based brewery software expansion board.
Blog and progress notes, where I keep you updated on this project’s progress
May 12, 2025
Pi4 mounted and no magic smoke. The onboard DS1B20 temp sensor is detected and operational on the 1 wire interface. The DS3231 onboard clock is operational - it uses a CR1220/25 battery by the way. The four SSR outputs are operational driven from the Pi GPIO. The four onboard relays are operational driven from the Pi GPIO.
May 10, 2025. As I find things I’m adding to a V1.1 list of fixes, noted in the panel to the right.
Boards V1.0 have arrived and test assembly has started. All static tests have passed - power distribution, relay operation, SSR drivers, associated indicators. Mounting a Pi4 is next to test the sensors and other inputs.
V1.1 Update Notes
The footprint for the SMPS module is oversize, I think I selected the wrong footprint from my custom library. This doesn't impact the board as the SMPS is smaller than the footprint and can be patched in. PCB amended.
Capacitor C14 100uF is duplicating the input filter cap on the SMPS so I may remove it from the BOM.
Onboard LEDs are VERY bright, might drop their drive back to 5ma, change the resistor to 1k5.
