The ultimate Feather Base board!
 
Jumpering Options Galore
Triple Feather Footprint. 
Jumpers for allowing TX/RX crossovers on Feather serial pins. 
Jumpers for allowing MOSI/MISO crossover of Feather SPI pins. 
Jumpers & steering diodes to allow disconnection / steering of Feather 3V3 power. 
Jumpers to allow disconnection of any Feather PIN from being connected to the other Feather sockets. 
 
Inputs and Outputs 
I2C controlled I/O uses no additional pins on the Feather host. 
Watchdog timer (uses either I2C or optional Feather Pins) 
Indicator LED on all inputs and outputs
4x Open Collector Outputs capable of 500mA 
5x Digital Inputs. 
2x Analog Inputs (0-20V, can be reconfigured for 4-20mA)
4x User LEDs
Load Switching 
Current monitoring of Load 
Current monitoring of Power Supply input.
Battery Fuel Guage
MPPT solar input charger 
External Li-ion battery connector. 
On Board Li-ion battery connectors
8-30V DC input supply. 
 
Fits our enclosure with lots of room under the PCB for connectors and wiring.