NeedyCountdown
NeedyCountdown is an open source PCB design by melair: a 2-layer, 23 × 35 mm board with 17 components (16 distinct parts). It is built around the TPD2E2U06DCK, SN74AHCT1G125.
Keep Talking and Nobody Explodes - Physical Edition
This is version two of my Keep Talking and Nobody Explodes physical bomb, you may refer to the version-one branch if you wish to see the first version progress.
Built around
Parts list
17 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPD2E2U06DCK AD5272BRMZ-50 | MSOP-10_3x3mm_P0.5mm | U3 |
| 1 | SN74AHCT1G125 TLC59281 | SSOP-24_3.9x8.7mm_P0.635mm | U4 |
| 1 | 3V3 | Pad4x2 | J1 |
| 1 | 2223-UJ20-C-H-G-SMT-1A-P16 LAT | Pad4x2 | J2 |
| 1 | STOCK/HEADER SCLK | Pad4x2 | J3 |
| 1 | S9171 SIN | Pad4x2 | J4 |
| 1 | S9171 BLANK | Pad4x2 | J5 |
| 1 | S9171 SCL | Pad4x2 | J6 |
| 1 | 2223-MSD-11-A SDA | Pad4x2 | J7 |
| 1 | 455-B3B-PH-SM4-TB GND | Pad4x2 | J8 |
| 2 | ~ | 5161 LED | DS1, DS2 |
| 1 | 0.1uF | C_0603_1608Metric | C4 |
| 1 | 1276-1005-1 0.1uF | C_0603_1608Metric | C5 |
| 1 | 1276-1005-1 1uF | C_0603_1608Metric | C6 |
| 1 | 4.7K 2k | R_0603_1608Metric | R3 |
| 1 | 4.7K 50k | R_0603_1608Metric | R4 |
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