The Three Fives Kit: A Discrete 555 Timer

The Three Fives Kit: A Discrete 555 Timer — Pimoroni — 799422830585

Through-hole kit that recreates the classic 555 timer IC using discrete components at large scale. Includes anodized aluminum legs; ships as kit v2.0 for assembly.

Pinout

Logical pinout · physical placement not verified
THE THREE FIVES KIT: APin 1 (GND)Pin 5 (CTRL)Pin 2 (TRIG)Pin 6 (THRES)Pin 3 (OUT)Pin 7 (DISCH)Pin 4 (RESET)Pin 8 (VCC)
  • Pin 1 (GND)1
    Type · Ground
  • Pin 2 (TRIG)2
    Type · Signal
  • Pin 3 (OUT)3
    Type · Signal
  • Pin 4 (RESET)4
    Type · Control
  • Pin 5 (CTRL)5
    Type · Signal
  • Pin 6 (THRES)6
    Type · Signal
  • Pin 7 (DISCH)7
    Type · Signal
  • Pin 8 (VCC)8
    Type · Power

Bare ICs

67 other options

74HC logic gates, MCP3008/MCP23017 ADCs and expanders, 24LC256 EEPROM, 4N25-series optocouplers and ULN2803A drivers — bare DIP chips with no breakout-board conveniences like pull-ups or level shifting.

View all 67

Related groups

4 groups