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Audio content updates directly to the SD card on the PC
It communicates over I2C
Solar panel and battery current measurement
a serial programmable USART
A 5V/2A power supply via Micro USB is recommended for stable operation
HiH-4000 Humidity Sensor AT89S52 Audio content updates directly toHIH4000 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
