A Half Adder adds 2 bits together, and gives the result as an output of 2 bits. The main output is the sum of the 2 bits, while the output on the right is the carry. For further explanation, check out the Truth Table. This block is 3 blocks wide, and 1 block long.
| Renewable | Yes |
|---|---|
| Stackable | Yes (64) |
| Tool | Any tool |
| Blast resistance | 0 |
| Hardness | 0 |
| Luminous | No |
| Transparent | Yes |
| Waterloggable | No |
| Flammable | No |
| Catches fire from lava | No |
The Half Adder can be broken instantly with any tool, or by hand, and drops itself as an item by the middle part. If one of the 3 support blocks are removed, the Half Adder also breaks.
| Block | Logic Base Plate |
|---|---|
| Hardness | 0 |
| Breaking Time (seconds): | 0.05 |
1 x AND Gate +
1 x XOR Gate +
4 x Redstone Dust

Full Adder
3 x Redstone Dust +
1 x Or Gate +
2 x Half Adder

| x | y | Sum | Carry |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 0 | 1 |