Quantity   Component name
294 × 3mm UV LED
4 × ULN2003A Discrete Semiconductors / Power Transistors and MOSFETs
21 × Trimmer 100R
1 × TI MSP430G2452 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × Buzzer
1 × Conrad USB/Serial Adapter
1 × Microchip MCP23017 16 bit I/O Port Expander
1 × HDSP-B09G Displays and Inverters / LED Displays
1 × 230/2x18V 50W Toroidal Mains Transformer
1 × 7805 Voltage regulator
2 × DB106G Discrete Semiconductors / Diodes and Rectifiers
1 × TI LM2574N-3.3 Buck regulator