• Simple USB Power Monitor PCB [04104261] ($5.00)
• ATtiny85-20PU programmed for the Simple USB Power Monitor [0410426A.HEX] ($10.00)
• 0.96in white OLED with SSD1306 controller ($10.00)
• 0.96in cyan OLED with SSD1306 controller ($10.00)
• Firmware for the Simple USB Power Monitor (Free)
• Simple USB Power Monitor PCB pattern (PDF download) [04104261] (Free)

Kit parts list

	1 × 4-pin 6.2×6.5mm tactile switch, red actuator (SKHMQME010)
	1 × Simple USB Power Monitor PCB [04104261]
	1 × 0.96in cyan OLED with SSD1306 controller

Connectors

	1 × Wurth 692112030100 9-pin USB 3.0 plug connector
	1 × Switchcraft RAHUA30E 9-pin USB 3.0 socket
	1 × 10-pin male header (2.54mm pitch)

Semiconductors

	1 × ATtiny85-20PU programmed for the Simple USB Power Monitor [0410426A.HEX]
	1 × INA238AIDGSR IC (VSSOP-10)
	1 × MIC5233-3.3YM5 regulator (SOT-23-5)

SMD Capacitors

	2 × 4.7µF 25V M2012/0805 X7R
	1 × 100nF 50V M2012/0805 X7R

SMD Resistors

1 × 25mΩ ±1% 3W M6332/2512 LMA (LRMAP2512-R025FT4)

Cable & Hardware

1 × 100mm length of 38mm diameter clear heatshrink tubing