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Voltmetr atmega8

1 year ago 364
  • Description
  • Documents
  • BOM
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Description

Схема простейшего вольтметра(скорее показометра) на микроконтроллере. Когда напишу прошивку выложу ссылку в описании. Данная схема тестовая и по мере нахождения ошибок (в схеме или программных) они будут исправлятся. TRUE RMS не измеряет.

Documents

Sheet_1

PCB_Voltmetr atmega8

BOM

ID Name Designator Footprint Quantity
1 1.5u 650v C1 CAPTH 650V 1
2 1000u 25v C2 1000UF 16V 1
3 100n C3,C4 RAD-0.1 2
4 0.1u C5,C7,C8,C9 RAD-0.1 4
5 1000u 16v C6 1000UF 16V 1
6 2W10 D1 BRIDGE-WOB 1
7 1N5348BG D2 DO-14_BD3.6-L9.0-P12.00-D1.2-RD 1
8 1N4733A-G-PEC D3 DO-41G_BD2.4-L4.0-P8.00-D0.7-RD 1
9 HDR-M-2.54_2x3 J1 HDR-M-2.54_2X3 1
10 10u L1 AXIAL-0.4 1
11 100uH L2,L3 INDUCTOR_5MM 2
12 SP410801N/24 LED1 LED-SEG-TH_12P-L59.2-W27.5-P2.54-S23.00-BL 1
13 220 IN P1 220 IN 1
14 BC550-B Q1,Q2,Q3 TO-92-3_L4.8-W3.7-P2.54-L 3
15 2k R1,R4 2W RESISTOR 2
16 200k R2,R3 2W RESISTOR 2
17 500 R5 R_AXIAL-0.3 1
18 200 R6,R7,R8,R14,R17,R18,R19,R20,R21,R22 AXIAL-0.3 10
19 10k R9 AXIAL-0.3 1
20 10 R10 RESISTOR 4W 1
21 10K R11,R12,R13,R15,R16 RES-TH_BD1.7-L3.5-P7.50-D0.5 5
22 ATMEGA8L-8PU U1 DIP-28_300MIL 1
23 L7805ABV U2 7805 1

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