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making it easy to set the exact light level that triggers the digital output — no code changes required
Solar panel and battery current measurement
A 5V/2A power supply via Micro USB is recommended for stable operation
Audio content updates directly to the SD card on the PC
supports baud rate varies from 2400bps to 115200bps
HiH-4000 Humidity Sensor AT89S52 making it easy to setHIH4000 Humidity Sensor is designed specifically for high volume OEM (Original Equipment Manufacturer) users. Honeywell Humidity Sensor HIH 4000 003, Direct input to a controller or other device is made possible by this sensors near linear voltage output. With a typical current draw of only 200 A, the HIH 4000 Series is often ideally suited for low drain, battery operated systems. Tight sensor interchangeability reduces or eliminates OEM production
