Create bom.md

ka12/bom.md

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+|Reference|Description|Quantity|
+|---------|-----------|--------|
+|–|PCB|1|
+|U1|Dual RS232 transmitter/receiver; MAX232A, ST232C or equivalent; SO16|1|
+|U2|+5 V fixed voltage regulator; ST78L05 or equivalent; SO8|1|
+|U3|Optocoupler; IL207 or MOC207; SO8|1|
+|D1|Switching diode; 1N4148; 1206|1|
+|C1-C6|MLCC capacitor; 100 nF, 50 V, X7R, ±10%; 1206|6|
+|C7|MLCC capacitor; 100 pF, 50 V, C0G, ±10%; 1206|1|
+|R1, R3, R4|Thick film resistor; 220 Ω, 0.25 W, ±5%; 1206|3|
+|R2|Thick film resistor; 3.3 kΩ, 0.25 W, ±5%; 1206|1|
+|CN1|D-Sub 25 pin female plug, for cable|1|
+|CN1|D-Sub 25 pin shell|1|
+|–|Data transmission cable, LiYCY 2 × 0.25 mm², braided shield|3 m|
+|–|DIN 5 plug, Rean NYS232|2|
+|–|Heat shrink tube 1.6 mm, black|16 mm|
+|–|Heat shrink tube 4.8 mm, black|90 mm|
+|–|Heat shrink tube 4.8 mm, red|90 mm|
+|–|Plastic transparent fuel pipe 7/10 mm|30 mm|