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Arithmetic, data routing, and sequential logic — the complete designer's toolkit.

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39 Components Digital logic building blocks
48 Interactive Lessons Step-by-step guided learning
All Fundamental content included Everything from Fundamental, plus additional components and lessons
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Circuit Components

39 components included in this tier

Switch Switch
Clock Clock
Const 1 Const 1
Const 0 Const 0
AND AND
OR OR
NOT NOT
Buffer Buffer
NAND NAND
NOR NOR
XOR XOR
XNOR XNOR
Light Light
7-Seg 7-Seg
7-Seg 8p 7-Seg 8p
3-State 3-State
8b 3-State 8b 3-State
2:1 MUX 2:1 MUX
4:1 MUX 4:1 MUX
8:1 MUX 8:1 MUX
1:2 DEMUX 1:2 DEMUX
1:4 DEMUX 1:4 DEMUX
1:8 DEMUX 1:8 DEMUX
4:2 ENC 4:2 ENC
8:3 ENC 8:3 ENC
2:4 DEC 2:4 DEC
3:8 DEC 3:8 DEC
Half Add Half Add
Full Add Full Add
4b Adder 4b Adder
8b Adder 8b Adder
Compare Compare
8b Compare 8b Compare
ALU ALU
8b ALU 8b ALU
SR Latch SR Latch
D Latch D Latch
D FF D FF
JK FF JK FF
T FF T FF
4b Reg 4b Reg
8b Reg 8b Reg
Shift Reg Shift Reg
8b Shift 8b Shift
4b Count 4b Count
8b Count 8b Count
PC PC
IR IR
Control Control
ACC ACC
Flags Flags
RAM RAM
ROM ROM
ASM Loader ASM Loader
Screen Screen
Scope Scope
8ch Scope 8ch Scope
Component 58 Component 58
Component 59 Component 59
Component 60 Component 60