diff --git a/README.md b/README.md index 70adab2..dae7aff 100644 --- a/README.md +++ b/README.md @@ -45,6 +45,8 @@ A Raspberry Pi-compatible PCB that extends the GPIO header with protected I/O, r - power by battery - liion cell connector - BMS / charge controller + - measure battery voltage + - USB charging port ## IO @@ -121,3 +123,9 @@ A Raspberry Pi-compatible PCB that extends the GPIO header with protected I/O, r - SD Card - Onboard MCU for standalone use? - separate bought MCU via i2c for additional GPIO, DAC, ADC in one + + +## Questions +- what analog input ranges (Voltage, Count) +- RS232 RS485 SPI, IIC actually necessary? examples +- \ No newline at end of file diff --git a/pi-interface-board_v1.0/pi-interface-board_v1.0.kicad_sch b/pi-interface-board_v1.0/pi-interface-board_v1.0.kicad_sch index 9bd1dff..f78da03 100644 --- a/pi-interface-board_v1.0/pi-interface-board_v1.0.kicad_sch +++ b/pi-interface-board_v1.0/pi-interface-board_v1.0.kicad_sch @@ -5,6 +5,259 @@ (uuid 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