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2.Smooth support for design sizes of over 5,000 devices or 10,000 pads

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License: Public Domain

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Update time： 2020-10-16 14:36:55
Creation time： 2020-03-17 12:42:08
Description
conversão de sinal rs232 da balança para nivel ttl.
Design Drawing
schematic diagram
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PCB
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BOM
BOM download Purchase Parts
ID Name Designator Footprint Quantity
1 ESP-32S U19 WIFIM-SMD_ESP-32S 1
2 10k R40,R41,R45,R16,R17 AXIAL-0.4 5
3 510r R42,R43,R47 AXIAL-0.4 3
4 220k R44 AXIAL-0.4 1
5 4.7k R46 AXIAL-0.4 1
6 1N4148 D13,D14 SOD-123_L2.8-W1.8-LS3.7-FD 2
7 220uF C21 CAP-D3.0XF1.5 1
8 WJ2EDGVC-5.08-3P P12 WJ2EDGVC-5.08-3P 1
9 1u C24,C14 CAP-D3.0XF1.5 2
10 BC337 Q4 TO-92-3_L4.9-W3.7-P1.27-L 1
11 4N25 U18 DIP-6_L7.3-W6.5-P2.54-LS7.6-BL 1
12 1N4007 D9,D2,D7 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 3
13 1N4007RLG D10,D11,D12,D1,D6 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 5
14 5V P13 WJ2EDGVC-5.08-2P 1
15 cancela ac P14 WJ2EDGVC-5.08-2P 1
16 conversor de level logico U17 CONVERSOR LOGICO 1
17 100nf C22 RAD-0.1 1
18 100nF C23,C16,C19,C20,C4,C7,C6,C10,C12 RAD-0.1 9
19 NodeMCU ESP8266-12E U16 NODEMCU ESP8266-12E AMICA V2 1
20 1N4448 D8,D5,D4 DO-35 3
21 SN7414N U15 DIP14 1
22 10k R38,R28,R34,R37,R7,R8,R9,R10 AXIAL-0.3 8
23 510 R39 AXIAL-0.3 1
24 SENSOR P11 WJ2EDGVC-5.08-2P 1
25 MCP604 3,V4,2,V3,V2,V1,1 SOIC-14_150MIL 7
26 Vout P6,P7,P8,P10 HDR-1X1/2.54 4
27 20mV VIN1,VIN2,VIN3,VIN4 HDR-1X1/2.54 4
28 Vcc P9 HDR-1X1/2.54 1
29 1k R29,R31,R33,R35,R5,R13,R14 AXIAL-0.3 7
30 2k R30,R32 AXIAL-0.3 2
31 100k R36 AXIAL-0.3 1
32 4,7uF C17 CAP-D3.0XF1.5 1
33 1uF(10uF) C18 CAP-D3.0XF1.5 1
34 1m L1 AXIAL-0.4 1
35 6N137 TX-PAINEL1,RX-PAINEL1 DIP-8_W8.00MM 2
36 10K R24,R26 AXIAL-0.3 2
37 360 R25 AXIAL-0.3 1
38 220 R27 AXIAL-0.3 1
39 SOURCE H3 HDR-2X1/2.54 1
40 INPUT UART U12 JST_B5B-PH_HEADER 1
41 OUTPUT UART U13 JST_B5B-PH_HEADER 1
42 B0505S-1WR2_C382171 U14 PWRM-TH_B0505S-1WR2 1
43 10uF C1,C2,C8,C9,C11,C13 CAP-D3.0XF1.5 6
44 led rgb H1 HDR-TH_3P-P2.54-V 1
45 DB9_F X1 DB9_MALE 1
46 NODEMCU(esp8266) U1 NODEMCU 1
47 4.7k R1,R4 AXIAL-0.3 2
48 510r R2,R3,R6,R12,R11 AXIAL-0.3 5
49 BC337 T1,T3 TO-92 2
50 7805 U2 TO220H 1
51 +12V P1 WJ2EDGVC-5.08-2P 1
52 1000nF C3 RAD-0.1 1
53 Nodemcu_esp32S U3 NODEMCU-ESP32S 1
54 1000uF C5 CAP-D3.0XF1.5 1
55 Header-Male-2.54_1x3 H2 HDR-TH_3P-P2.54-V 1
56 2W10 D3 BRIDGE-WOB 1
57 CONVERSOR DE VOLTAJE DC-DC U4 CONVERSOR DE VOLTAJE DC-DC 1
58 24VAC P2 WJ2EDGVC-5.08-2P 1
59 vin P3 WJ2EDGVC-5.08-3P 1
60 2N7000 Q1,Q2 TO-92-3_L4.9-W3.7-P1.27-L 2
61 NODEMCU U5 NODEMCU 1
62 IRF1404LPBF Q3 TO-262-3_L10.6-W4.7-P2.54-L 1
63 30k R15,R18 AXIAL-0.4 2
64 L7905CV U6 TO-220-3_L10.0-W4.5-P2.54-T 1
65 1nF C15 RAD-0.1 1
66 LM741 U11,U9 DIP8 2
67 100K R23 RES-ADJ_3386P 1
68 L7805CV-DG U7 TO-220-3_L10.0-W4.5-P2.54-L 1
69 12 R19,R20,R21,R22 AXIAL-1.2 4
70 12V P4 WJ2EDGVC-5.08-2P 1
71 teste fonte P5 WJ2EDGVC-5.08-2P 1
72 NodeMCU-32SLua U10 NODEMCU-32SLUA 1
73 LM393N U8 DIP8 1

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