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STD HT12 & MT8870 8ch. MM74C157N all methods. TX and RX.

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Update time： 2022-04-30 14:12:28
Creation time： 2020-03-29 13:11:50
Description
Main components: (Fontosabb alkatrészek) Transmitter: 3x3 or 4x4 key matrix (pushbuttons), ks58006 /um91215a /other DMTF generator IC, mt8870, BC547 /other tr. or single tiny logic IC, HT12E, (433mhz) tx module Receiver: mt8870, cd4077, 74c157, cd4514 /15 --->> cd4043 /44, cd4056 /55, uln2803, 8 relay /or triac (and other), (433mhz) rx module
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BOM
BOM download Purchase Parts
ID Name Designator Footprint Quantity
1 100nF C1,C2,C5,C6,C7,C8,C9,C10,C17 RAD-0.1 9
2 22pF(2x) C3,C12,C15,C18 RAD-0.1 4
3 22pF C4,C11,C16,C19 RAD-0.1 4
4 1N4148 (8X) D1 DO-35 1
5 1N4148 D2,D3,D4,D5,D6,D7 DO-35 6
6 1N4148 (4X) D8 DO-35 1
7 DIP SW 8 DIP1,DIP2 DIP-8-2.54MM 2
8 Green LED3,LED4,LED5,LED11,LED12,LED13 LED1206-L-RD 6
9 Red LED (4X) LED6 LED1206-L-RD 1
10 Red LED (8X) LED10 LED1206-L-RD 1
11 51K R1 AXIAL-0.3 1
12 100K R2,R3,R25 AXIAL-0.3 3
13 300K R4,R23 AXIAL-0.3 2
14 470R (4x) R7,R11 AXIAL-0.3 2
15 10K R8,R9,R10,R12,R13,R14,R6,R24,R26,R28 AXIAL-0.3 10
16 1K (4x) R15 AXIAL-0.3 1
17 470R R16,R17,R19,R30,R31,R32 AXIAL-0.3 6
18 1K (8x) R33 AXIAL-0.3 1
19 Omron-G5LE-Relay_SPDT RL1,RL2,RL3,RL5,RL6,RL7 OMRON_G5LE_SPDT_RELAY 6
20 9/ 12V Relay (8X) RL4 OMRON_G5LE_SPDT_RELAY 1
21 9/ 12V Relay (4X) RL8 OMRON_G5LE_SPDT_RELAY 1
22 CD4077BE U2 DIP14 1
23 HT12D U3 DIP-18 1
24 MM74C157N U4 DIP16 1
25 MT8870DE U5,U11 DIP18 2
26 433mHz_RX U6 NONE 1
27 LM7805 U7 TO-220F(TO-220IS) 1
28 7 Seg Common Cathode U8 7 SEGMENT 1
29 ANT U9,U13 ANTENA 2
30 CD4056BE U12 DIP16 1
31 ULN2803A U20 DIP-18_L23.0-W6.5-P2.54-LS7.6-BL 1
32 CD4043BE U22,U23 DIP16 2
33 CD4514BE U24 DIP24-600 1
34 3.57Mhz X1,X2,X3 HC-49S 3
35 3.5mm jack J4 3.5MM POWER JACK 1
36 BC547 Q4 TO-92_MOLDED_NARROW 1
37 1K R5 AXIAL-0.3 1
38 1M R27 AXIAL-0.3 1
39 Switch S1,S2 SWITCH 2
40 keypad 3x4 S3,S4 KEYPAD 4X3 2
41 KS58006 U1 DIP-18 1
42 HT12E U3 DIP18 1
43 LM7805 U8 TO-220(TO-220-3) 1
44 Transmitter U12 NONE 1
45 UM91215A U14 DIP16 1

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