Open a puzzle from the puzzle list to see its prompt here.
Primitive
NANAND
Derived gates
ANAND
OROR
NRNOR
XOXOR
XNXNOR
NTNOT
BFBuffer
Sequential
DLD Latch
FFD Flip-Flop
JKJK Flip-Flop
TFT Flip-Flop
SRSR Latch
CTCounter
Decoders & Plexers
MXMultiplexer
DXDemultiplexer
DCDecoder
PEPriority Encoder
I/O & sources
INInput
OUTOutput
LEDLED
CLKClock
Buses
BMBus Merge
BSBus Split
Bus I/O
BIBus Input
BOBus Output
7S7-Segment
Circuit blocks
HAHalf Adder
4B4-Bit Adder
3-Input Population Counter, Nandscape