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16 channel digital input / outputs
8 channel 12 bit resolution analogue input (ADC)
Real time Clock (RTC) with CR2032 battery holder.
2 channel 12 bit resolution digital to analogue output (DAC)
Output frequency is programmable from a typical 40Hz to 1000Hz
The PCA9685 contains 5 I2C address selection pins
16-channel, 12-bit PWM controller for the Raspberry Pi
Stackable with other Raspberry Pi accessory boards
1-Wire to I2C host interface with ESD protection diode
External 5V power input for 1-Wire interface
Buffered 5V I2C port
I2C address selection via solder jumpers
Control the Raspberry Pi over RS232 or connect to external serial accessories.
Stackable with other Raspberry Pi accessory boards.
RS232 Master Port.
Mounting holes for use with the AB Electronics UK mounting kits (sold separately)
Stack up to 4 IO Pi boards on a single Raspberry Pi
32 Digital Inputs/Outputs
External 5V Input with isolation solder jumper
Solder jumper selectable I2C addresses
Configurable interrupt output pins - Configurable as active-high, active-low or open-drain
RS232 Master Port.
Control the Raspberry Pi Zero over RS232 or connect to external serial accessories.
Stackable with other Raspberry Pi accessory boards.
Mounting holes for use with the AB Electronics UK mounting kits (sold separately)
Use the Raspberry Pi to control external RS-485 devices.
Stackable with other Raspberry Pi accessory boards.
RS-485 Half Duplex Port.
Up to 250 kbps transfer rate.
Mounting holes for use with the AB Electronics UK mounting kits (sold separately)
Configurable interrupt source - Interrupt-on-change from configured register defaults or pin changes
Control via the Raspberry Pi I2C port
INTA and INTB can be configured to operate independently or together
Polarity Inversion register to configure the polarity of the input port data
Configurable interrupt output pins - Configurable as active-high, active-low or open-drain
External 5V power input for 1-Wire interface.
Buffered 5V I2C port.
Stackable with other Raspberry Pi accessory boards.
1-Wire to I2C host interface with ESD protection diode.
2C address selection via solder jumpers.
Jumper selectable I2C addresses
Single Ended full-scale range of 5.0V
8 x 17-bit 0 to 5V Single Ended Inputs
On-Board Programmable Gain Amplifier (PGA): Gains of 1, 2, 4 or 8
On-board 2.048V reference voltage (Accuracy 0.05%, Drift: 15 ppm/C)
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10 Items