Added electrical current usage to component specifications; Updated docs

Hardware/Device Specifications.markdown

@@ -2,7 +2,9 @@
 
 ## Microcontroller: Texas Instruments MSP430F5438AIPZR
 
-- 1.8 V to 3.6 V Supply Voltage
+- Power
+  - 1.8 V to 3.6 V Supply Voltage
+  - Up to 4.6mA needed
 - Capabilities:
   - 16-bit architecture
   - 25 MHz System Clock
@@ -18,7 +20,9 @@
 
 ## Real-Time Clock/Calendar: Microchip Technology ‎MCP7940MT-I/SN
 
-- 1.8 V to 5.5 V Supply Voltage
+- Power
+  - 1.8 V to 5.5 V Supply Voltage
+  - 1.2uA typical timekeeping current required at 3.3V (This will be powered exclusively by a CR2032 battery)
 - Notable Peripherals:
   - I2C
     - Slave only
@@ -28,7 +32,9 @@
 
 ## Bluetooth/Wi-Fi: Espressif Systems ESP32-WROVER-IE (8MB)
 
-- 3.0 V to 3.6 V Supply Voltage
+- Power
+  - 3.0 V to 3.6 V Supply Voltage
+  - Minimum 500mA needed up to 1.6A (500mA + 1100mA maximum cumulative IO output)
 - Notable Peripherals:
   - I2C (2)
     - Master or Slave
@@ -47,7 +53,9 @@
 
 ## GPS Receiver: U-Blox NEO-M8Q-01A
 
-- 2.7 V to 3.6 V
+- Power
+  - 2.7 V to 3.6 V
+  - 67mA maximum current needed; 17mA typical will be likely usage
 - Notable Peripherals:
   - SPI
     - Slave Only
@@ -61,7 +69,9 @@
 
 ## CANbus Controller: Microchip Technology MCP2515T-I/SO
 
-- 2.7 V to 5.5 V Supply Voltage
+- Power
+  - 2.7 V to 5.5 V Supply Voltage
+  - 5mA typical in active mode; 1uA typical in sleep mode
 - Notable Peripherals:
   - SPI
     - Slave (Assuming only option)
@@ -71,14 +81,17 @@
 
 ## CANbus Transceiver: ‎Microchip Technology MCP2542FD-H/SN
 
-- 4.5 V to 5.5 V Supply Voltage
+- Power
+  - 4.5 V to 5.5 V Supply Voltage
+  - 55mA typical maximum; 4uA typical in standby
 - Used directly with CANbus Controller
 
 
 
 ## SD Card (Generic)
 
-- 2.7 V to 3.6 V Supply Voltage
+- Power
+  - 2.7 V to 3.6 V Supply Voltage
 - Notable Peripherals:
   - SPI
 
@@ -86,7 +99,9 @@
 
 ## USB to UART Bridge: Future Technology Devices International FT230XS-R
 
-- 3 V to 5 V Supply Voltage
+- Power
+  - 3 V to 5 V Supply Voltage
+  - 8.3mA maximum usage in normal operation (This chip will be exclusively powered an external host device)
 - Notable Peripherals:
   - UART
 
@@ -94,14 +109,18 @@
 
 ## RS-232 Transceiver: STMicroelectronics ST232CDR
 
-- 4.5 V to 5.5 V Supply Voltage
+- Power
+  - 4.5 V to 5.5 V Supply Voltage
+  - Estimating 10mA typical average usage
 - Will use UART from the MCU
 
 
 
 ## Inertial Measurement Unit: TDK InvenSense ICM-20948
 
-- 1.71 V to 3.6 V Supply Voltage
+- Power
+  - 1.71 V to 3.6 V Supply Voltage
+  - 3mA typical usage in full 9-Axis mode; 8uA typical in "Full-Chip Sleep Mode"
 - VDDIO Voltage input also needed from 1.71 V to 1.95 V
 - Notable Peripherals:
   - I2C