Bill of Materials (3 Bit Board)
This page lists the parts needed for the 3-Bit (Beeb) version of RGBtoHDMI (by Hoglet):
The original schematics are here:
Please use the 6 bit design for new builds.
| Part Description | Supplier | Quantity | Part Ref | Min Order | Notes |
|---|---|---|---|---|---|
| 220R 0805 Resistor | RS 223‑0332 | 2 off | R4, R5 | 50 | |
| 10K 0805 Resistor | RS 740‑9072 | 4 off | R1-R3, R6 | 50 |
| Part Description | Supplier | Quantity | Part Ref | Min Order | Notes |
|---|---|---|---|---|---|
| 100nf 0805 Multilayer Ceramic Capacitor | RS 464‑6688 | 4 off | C1, C4-C6 | 50 | working voltage ≥ 10V |
| 10uF 0805 Multilayer Ceramic Capacitor | RS 846‑7313 | 2 off | C2-C3 | 50 | working voltage ≥ 10V |
| Part Description | Supplier | Quantity | Part Ref | Min Order | Notes |
|---|---|---|---|---|---|
| XC9572XL-10VQG44C | Farnell 2831287 | 1 off | U1 | 1 | |
| SN74LS08D 14-pin SOIC | RS 663‑2375 | 1 off | U2 | 5 | |
| Green 0805 LED | RS 861‑0037 | 2 off | D1-D2 | 50 |
| Part Description | Supplier | Quantity | Part Ref | Min Order | Notes |
|---|---|---|---|---|---|
| 2x20 way 0.1" female PCB header | Farnell 2827916 | 1 off | P1 | 1 | |
| 1x2 / 1x3 / 1x6 way right angle 0.1" male PCB header (low profile) | RS 251‑8654 | 1 off | P2,P3,P6 | 10 | part is 36-way, break as required |
| 1x2 way 0.1" female PCB header | Farnell 2827907 | 1 off | P4 | 1 | cut as required |
| 1x6 way Molex KK 254 7478 right angle PCB Header | RS 679‑5473 | 1 off | P5 | 10 |
| Part Description | Supplier | Quantity | Part Ref | Min Order | Notes |
|---|---|---|---|---|---|
| SPST Momentary Action Tactile Switch | RS 758‑1941 | 4 off | SW1-SW4 | 20 | |
| 11mm M2.5 threaded spacers | CPC PC01988 | 4 off | 50 |
| Part Description | Supplier | Quantity | Min Order | Notes |
|---|---|---|---|---|
| 1x6 Molex KK 254 2695 connector housing | RS 679-5391 | 1 off | 10 | |
| Molex KK 254 2759 crimp terminal contacts | RS 172-9178 | 6 off | 100 | |
| 6 way DIN plug | CPC CN00039 | 1 off | 1 | |
| 6 core flexible security/alarm cable | local electrical shop | 1M |
You can just about attach the crimp connectors to the cable with pliers, but I would not want to do this for 10 sets of cable. I ended up buying this tool from Amazon: https://www.amazon.co.uk/gp/product/B002AVVO7K