We know the ins and outs of PCB's
Automated Printed Circuit Board Testing
Power supply voltage levels (VCC, VDD, etc.).
Clock signals (system clock, peripheral clocks).
Analog input signals (e.g., sensor inputs).
Digital control signals (e.g., reset, enable signals).
Serial communication inputs (UART, SPI, I2C).
External trigger inputs.
User interface inputs (buttons, switches).
PWM (Pulse Width Modulation) signals.
Temperature sensor inputs.
Voltage reference inputs.
Digital output signals (data lines, control lines).
Analog input signals (ADC inputs).
Analog output signals (DAC outputs).
LED indicators.
Display outputs (LCD, OLED, LED display segments).
Relay control outputs.
Voltage regulator outputs.
Power-on indicator outputs.
Current sense inputs/outputs.
Power-up sequence testing.
Power-down sequence testing.
Voltage tolerance testing.
Clock frequency and accuracy testing.
Data integrity testing (checksum, CRC).
Communication protocol testing (UART, SPI, I2C).
Uploading Firmware or other files.
Overvoltage protection testing.
Undervoltage lockout testing.
Logic functionality testing (gate-level/functional logic).
Memory read/write testing (RAM, Flash).
Sensor calibration and accuracy testing.
ADC/DAC functionality and accuracy testing.
Motor control functionality testing.
Audio output quality testing.
Display content and pixel testing.
Communication protocol testing.
Button/switch functionality testing.
Temperature sensor accuracy testing.