Raspberry PI B+ GPIO interface board 2.1

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[https://remoteqth.com/img/wiki-rotator-server-gpio21.jpg] '''Specifications''' * 5V Power supply. * 24 Relay + LED, [controlled|Web relays] from Rapsberry PI B+ [GPIO|Web relay.] * Configurable output relays (Vin/GND) in the ON and OFF state seperatly. * A/D converter with 4 inputs. * I2C output for connecting the temperature sensor. * Conector for power and configure four Arduino rotator interface. * The PCB size 5x25 cm [Schematics|https://remoteqth.com/hw/rot-interface-gpio21.svg] [https://remoteqth.com/img/wiki-rotator-server-gpio2-brd-l.png] [Larger versions|https://remoteqth.com/img/wiki-rotator-server-gpio2-brd.png] !!Connectors * '''J1''' +24V DC Power * '''J6 J15''' - four rotator interface AC od DC Power * '''J5''' - RJ9 connector for other I2C temp sensors * '''P16''' - where the relay switch voltage on outs, here is voltage IN * '''P1-P12''' - GPIO Relay outputs * '''J7-J10''' - connect four rotator interface !!Jumpers * '''J2''' - Power switch and LED * '''J11''' - two free A/D inputs * '''P4''' - preset relay outputs - ON and OFF separately * '''I2C''' - set address A/D converter * '''JP1-JP8''' - preset power each rotator interface separately * '''J4''' - I2C bus * '''J3''' - switched +5V for USB hub !!Trimmer * '''R27-R30''' - voltage divider for A/D converter ['''←''' Back to web page|https://remoteqth.com/remote-multi-rotator-control.php]