Quantity   Component name
1 × Stripboard PCB Size: 33x20
1 × 5V DC-DC Boost Module Minimum input voltage < 1 V
1 × Resistor 1 kΩ
2 × Toggle Switch Single pole, 3 pins
3 × Pushbuttons
1 × ATtiny84 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × 7-Segment Display (Common Anode) Red display is suitable for low power consumption.
1 × LED 3 mm Red color is suitable for low power consumption.
1 × Dynamic Speaker / Piezo Speaker (Passive)
1 × Capacitor 10 uF
1 × Capacitor 100 nF
4 × Resistor 4.7 kΩ