remote data logging
Wet soil conducts electricity more easily (lower resistance)
and signal lines at a glance
3 is a compact fixed-focus camera designed specifically for Raspberry Pi single-board computers
Parameter Detail Microcontroller ATmega2560 USB Host Chip MAX3421E Operating Voltage 5V Input Voltage (Recommended) 7-12V Input Voltage (Limit) 6-20V Digital I/O Pins 54 (15 PWM output) Analog Input Pins 16 Flash Memory 256 KB (8 KB used by bootloader) SRAM 8 KB EEPROM 4 KB Clock Speed 16 MHz USB Host Connector USB-A Female (for Android devices) Programming Connector USB-B Board Color Blue Board Dimensions Approx
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