2 layers74.4 × 103.6 mm
2 layers74.4 × 84.7 mm
CMeterFront
synthetic65535/CMeterСпециализированный цифровой амперметр
- Size
- 74.4 × 84.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 48
- Nets
- 44
- Pads
- 134
- Tracks, vias
- 294, 5
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 20 Jan 2019
- Updated
- 16 Sep 2020
Overview
CMeterFront is an open-source printed circuit board by synthetic65535, from the synthetic65535/CMeter repository on GitHub. It is a 2-layer board of 74.4 × 84.7 mm with 48 parts on 44 nets, routed with 294 tracks and 5 vias.
It is built around the ATMEGA8A-PU, BC56-12SRWA and TL431. Its parts include 21 resistors, 5 capacitors, 5 diodes, 3 transistors and 2 ICs. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATMEGA8A-PU
DIP-28-300mil-40℃~+85℃ 10bit 16MHz 1KB 2.7V~5.5V 23 512Byte 8 Bit 8KB AVR Built-in FLASH DIP-28-300mil Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
BC56-12SRWA
DIP-120.56 3 37.6mmx19mmx8.1mm 7 Segment 75mW Common Cathode Red DIP-12 LED Segment Displays ROHSKingbrightLED Segment Displays
TL431
SOT-23-20℃~+85℃ 150mA 1mA 2.5V~36V 50ppm/℃ Adjustable Parallel Temperature compensation control ±1% SOT-23 Voltage Reference ROHSGuangdong HottechVoltage Reference
README
readme.mdCMeter
Измеритель тока фрикции.
- Используемый микроконтроллер: atmega8
- Среда разработки: KiCad
- Прошивка для микроконтроллера: Здесь
Parts
48| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 510 | MyFootprints:RES | R11, R12, R13, R14, R15, R16, R17, R18, R19, R20 |
| 5 | 10k | MyFootprints:RES | R1, R21, R22, R27, R28 |
| 5 | 1k | MyFootprints:RES | R3, R23, R24, R25, R26 |
| 3 | Q_NPN_BCE | MyFootprints:Q_BCE | Q2, Q3, Q4 |
| 2 | 1N5817 | MyFootprints:DO-41 | D1, D2 |
| 2 | 1nF | MyFootprints:CAP | C4, C17 |
| 2 | 22pF | MyFootprints:CAP | C1, C2 |
| 2 | LED_ALT | LEDs:LED_D5.0mm | D5, D6 |
| 1 | 0.1uF | MyFootprints:CAP | C3 |
| 1 | 10Ω | MyFootprints:RES | R10 |
| 1 | 8Mhz | Crystals:Crystal_HC49-4H_Vertical | Y1 |
| 1 | ATMEGA8A-PU | MyFootprints:TRS-28_Connfly | U1 |
| 1 | BC56-12SRWA | MyFootprints:BC56-12SRWA-2 | U2 |
| 1 | Case_G1202_Front-2 | MyFootprints:Case_G1202_Front-2 | CASE |
| 1 | L_Measure | MyFootprints:AC-1005_ZMCT102_Enclosure | T1 |
| 1 | MINUS | Buttons_Switches_THT:SW_PUSH_6mm_h5mm | SW2 |
| 1 | PCB_CONN | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | J1 |
| 1 | PLD-6 | MyFootprints:AVR_ISP | J2 |
| 1 | PLUS | Buttons_Switches_THT:SW_PUSH_6mm_h5mm | SW1 |
| 1 | TL431 | MyFootprints:TL431 | D7 |
The 43 most common of 48 parts.
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Questions
How big is the CMeterFront PCB?
It measures 74.4 × 84.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CMeterFront use?
48 parts, built around the ATMEGA8A-PU, BC56-12SRWA and TL431. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the CMeterFront KiCad files?
From the synthetic65535/CMeter repository on GitHub, at the commit this page was made from: the board is CMeterFront.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the CMeterFront design in my own project?
Its repository states no licence, so its author keeps all rights: ask synthetic65535 before reusing the design.