![]() This can help prevent mistakes in plugging in power.Īfter connecting the power supply, slide down the power switch. Update: from version 2.1, the 24VAC terminal has been changed to an orange-colored one with a different pin spacing. ![]() Also, to reduce the chance of damage due to power surge, please use a surge protector. We recommend using a permanent marker to mark the screw terminal pieces to help you easily identify the two. Important: DO NOT plug 24VAC into the COM port or the Rain Sensor port! Doing so may damage your transformer or the controller. You can also buy a cheap off-the-shelf sprinkler timer which usually comes with a transformer. Sprinkler transformers can be purchased online (search for sprinkler transformer or 24V AC transformer), or at local home improvement stores. The current rating should be at least 500mA (12VA). Since AC transformers are not regulated, the output may vary anywhere between 22V AC to 29V AC. The controller uses a standard 24∼27V AC (note that the output is AC, not DC) sprinkler transformer. There are also a rain sensor connector and zone expansion connector. Note that the two ports on the COM terminal are internally wired together, so either can be used as the common wire. The 24VAC power jack, switch, and USB connector are on the left side the three push buttons and the Ethernet connector are on the right side the COM (common) terminal and screw terminals for connecting sprinkler wires are on the bottom. The interface of the controller is shown in the pictures below. Known issues and trouble shooting solutions are documented in the F.A.Q. To upload a new firmware, refer to the Firmware Update Instructions. Built-in components: ESP8266, boost converter, RTC with backup battery, USB-Serial, OLED display, solenoid drivers.The microcontroller (mcu) is flashed with the most recent firmware at the time of shipping.Input voltage: USB (including portable/solar USB charger).One assembled and tested OSBee 2.0 circuit board. ![]() Firmware update can be performed either wirelessly using the web interface (OTA), or through the on-board USB port with a USB cable.It allows remote control through the Blynk app and Blynk cloud server.Zone water time is programmed at precision of seconds. For example, you can define arbitrary ordering of zones, have multiple zones run at the same time, and insert delays between tasks. It introduces Program Tasks to allow maximal flexibility in programming zones.It also provides logging and program preview features. ![]()
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