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EagleAutodesk
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Reef-Pi breakout board
Feature:
All current features of Reef Pi 3.2 are compatible, including:
Equipment Control - 8 dedicated GPIO channels for equipment output control (via 5V relay cards)
Lighting Cycles - 4 independent light control channels for controlling spectrum and intensity on LED lighting (IRLB8721PBF - 30V 62A)
pH Monitoring Input - Input for pH Interface via I2C Line (EZO? pH PCB is required) https://atlas-scientific.com/embedded-solutions/ezo-ph-circuit/
Control dosing pump - 4 variable 12V outputs. Can be used to control 4 12V peristaltic dosing pumps. (L293D)
Temperature monitoring on board by DS18B20 and one or more externally connected DS18B20.
Auto top-off & water level monitoring - 2 channels of mechanical float switch input & 2 channels of optical water level sensor input
A selected 5V/3.3V pwm output.
Ttwo N-mos outputs.
four inputs to Rpi via GPIO
four 5V pwm LED outputs for signalling
3 independent power inputs: 12V, 10V and 5V. These will route power wherever it's needed, including to the Raspberry Pi
an additional Adafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface - PCA9685 is required
Reef-Pi breakout board
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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Glad to hear you like it :-) . For 10V PWM you need to work with pca9685 (0,1,2,3). This can be adjusted in the future after funding. RPI only has two PWM gpio pins available hence the pca9685 board on board.