Stroud Water Research Center EnviroDIY Mayfly Data Logger Board: Maxedbuy.com

EnviroDIY Mayfly Data Logger Board v1.1 This is the latest board version v1.1, released March 2022. Note: this new v1.1 board has several changes that make it not compatible with certain older accessories and code. Check the EnviroDIY site for more information before using. A powerful, user-programmable microprocessor board that is fully compatible with the several popular IDE software programs. Features: 128K Flash memory, 16K RAM 28 digital I/O pins, 8 analog pins, plus 4 additional high-resolution ADC pins and a 4 channel IO expander 2 serial UART ports microSD memory card socket plus auxiliary 8MB onboard flash Onboard realtime clock (RTC) (DS3231) Solar lipo battery charging Bee module socket 2 LEDs, 1 user programmable pushbutton 3.3v main board voltage, & 5v and 12v boost regulators for powering peripheral devices Two 20-pin headers for accessing all available I/O pins 7 Grove-style sockets for easy connections to sensors and devices, plus 2 Qwiic ports Two new on-board sensors: analog light sensor and digital humidity/temperature sensor The memory card socket, RTC, and solar charging features make it very easy to use this board for data logging and low-power operation. But it can also be used by itself, or with a wide variety of devices and accessories. It can be powered by a 3.7v lithium battery (not supplied - check polarity before connecting any battery pack!) or through the USB-C port. Programming can be done through the USB-C port (cable not supplied) or via the FTDI header. You will need a CR1220 button cell lithium battery (not supplied) in order for the RTC to retain the time after the power has been removed. More information and tutorials for the board can be found on the EnviroDIY website. CA Prop 65 Warning: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm.