| 1 | R1 | 2 | BL_EN | CRGCQ0402F4K7 | Invalid Passive Component Connection | This pin should not be left floating | |
| 2 | U2 | 2 | 5V | ESP32-WROOM-32 | Invalid Supply Voltage | Supply voltage 5V is out of operating range (3V to 3.6V) | |
| 3 | C41 | 2 | 5V | GRM155R60J475ME47D | Potential Capacitor Breach | Voltage difference of 5V is too close to the rated voltage 6.3V 50% derating factor is recommended | |
+ | 4-7 | ... | ... | ... | ... | Communication Protocol | I2C lines mismatch | |
| 4 | U8 | 1 | I2C_SDA | HDC1080DMBT | Communication Protocol | I2C lines mismatch | |
| 5 | U8 | 6 | I2C_SCL | HDC1080DMBT | Communication Protocol | I2C lines mismatch | |
| 6 | U9 | 37 | N16931850 | SIM7000E | Communication Protocol | I2C lines mismatch | |
| 7 | U9 | 38 | N16931874 | SIM7000E | Communication Protocol | I2C lines mismatch | |
| 8 | U8 | 6 | I2C_SCL | HDC1080DMBT | Missing Pull Resistor | Pull-up resistor is missing | |
| 9 | U9 | 37 | N16931850 | SIM7000E | Missing Pull Resistor | Pull-up resistor is missing | |
| 10 | U6 | 9 | DGND | ADUM5211CRSZ | Power Pin Connection | This pin should not be connected to Ground | |
| 11 | | | VLED- | | Redundant Pull Resistors | 2 pull-down resistors (R5, R62) found on net | |
| 12 | U4 | 28 | GND_POWER | MCP39F501-E/MQ | Connection Instruction Violation | This pin should be left floating | |
| 13 | U1 | 5 | GND | TPS61165DBV | Connection Instruction Violation | This pin should be connected to Ground via a Capacitor | |
+ | 14-15 | U9 | ... | ... | SIM7000E | Best Practice | Reset pins should be connected to Ground via a Capacitor | |
| 14 | U9 | 16 | RST | SIM7000E | Best Practice | Reset pins should be connected to Ground via a Capacitor | |
| 15 | U9 | 33 | SIM_RST | SIM7000E | Best Practice | Reset pins should be connected to Ground via a Capacitor | |