2 layers82.5 × 178.8 mm
2 layers48 × 100 mm
LCD7th
danfei/LCD7th1LCD7th ============ It is an Arduino compatible board.
- Size
- 48 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 59
- Nets
- 64
- Pads
- 235
- Tracks, vias
- 786, 57
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 15 Apr 2016
- Updated
- 25 Jun 2017
Overview
LCD7th is an open-source printed circuit board by danfei, from the danfei/LCD7th repository on GitHub, published under the LGPL-3.0 licence. It is a 2-layer board of 48 × 100 mm with 59 parts on 64 nets, routed with 786 tracks and 57 vias.
It is built around the ATMEGA32U4-AU, MCP73831 and MIC5219YMM. Its parts include 21 capacitors, 10 resistors, 8 connectors, 7 switches and 6 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATMEGA32U4-AU
QFP-44(10x10)-40℃~+85℃ 10bit 16MHz 1KB 2.5KB 2.7V~5.5V 26 32KB 8 Bit AVR Built-in FLASH QFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
MCP73831
UncategorisedMicrochip Technology
MIC5219YMM
MSOP-8-40℃~+125℃ 1 12V 500mA 600mV@(500mA) 75dB@(120Hz) Adjustable Over Current Protection、Over Temperature Protection、Enable Positive MSOP-8 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdLCD7th
It is an Arduino compatible board.
Schematic
BOM
PCB
Photo
License
This project is released under the CC BY-SA license.
Support
Where to buy
Parts
59| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 1uF | Capacitors_SMD:C_0603_HandSoldering | C9, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20 |
| 3 | 0.1uF | Capacitors_SMD:C_0603_HandSoldering | C1, C2, C3 |
| 3 | 1K | Resistors_SMD:R_0603_HandSoldering | R1, R10, R12 |
| 3 | 330R | Resistors_SMD:R_0603_HandSoldering | R6, R7, R9 |
| 3 | 4.7uF | Capacitors_SMD:C_0603_HandSoldering | C4, C5, C6 |
| 2 | 10K | Resistors_SMD:R_0603_HandSoldering | R4, R5 |
| 2 | 22P | Capacitors_SMD:C_0603_HandSoldering | C7, C8 |
| 2 | 22R | Resistors_SMD:R_0603_HandSoldering | R2, R3 |
| 2 | LED | LEDs:LED_0603 | D2, D3 |
| 1 | 100nF | Capacitors_SMD:C_0603_HandSoldering | C21 |
| 1 | 16MHz | Crystals:crystal_FA238-TSX3225 | X1 |
| 1 | 470PF | Capacitors_SMD:C_0603_HandSoldering | C10 |
| 1 | 5VCONN | Connectors:CONN_2.54mm_1x2 | P6 |
| 1 | ATmega32U4-AU | Housings_QFP:TQFP-44_10x10mm_Pitch0.8mm | U3 |
| 1 | BATT | LCD7th:LiConn | P7 |
| 1 | BATT | SmartEye:CR2477_s | P8 |
| 1 | BATT | LCD7th:BATT | P2 |
| 1 | BG_POWER | Buttons_Switches_SMD:SW_SPDT_PCM12 | SW7 |
| 1 | GREEN | LEDs:LED_0603 | LED2 |
| 1 | I2C | Connectors:CONN_2.54mm_1x4 | P5 |
| 1 | ICSP | Pin_Headers:Pin_Header_Straight_2x03 | P3 |
| 1 | JYG-12864K8G(R)-VC | LCD7th:JYG-12864K8G(R)-VC | LCD1 |
| 1 | LED | Connectors:CONN_2.54mm_1x2 | D4 |
| 1 | LOGO | LCD7th:szdiy_logo | G*** |
| 1 | M7 | LCD7th:DIODE_DO214AC-SMA | D1 |
| 1 | MCP73831 | TO_SOT_Packages_SMD:SOT-23-5 | U1 |
| 1 | MIC5219 | TO_SOT_Packages_SMD:SOT-23-5 | U2 |
| 1 | RED | LEDs:LED_0603 | LED1 |
| 1 | SPEAKER | Buzzers_Beepers:BUZZER | SP1 |
| 1 | SW1 | Buttons_Switches_SMD:SW_SPST_EVPBF | SW1 |
| 1 | SW2 | Buttons_Switches_SMD:SW_SPST_EVPBF | SW2 |
| 1 | SW3 | Buttons_Switches_SMD:SW_SPST_EVPBF | SW3 |
| 1 | SW4 | Buttons_Switches_SMD:SW_SPST_EVPBF | SW4 |
| 1 | SW_POWER | Buttons_Switches_SMD:SW_SPDT_PCM12 | SW5 |
| 1 | SW_RESET | Buttons_Switches_SMD:SW_SPST_EVPBF | SW6 |
| 1 | UART | Connectors:CONN_2.54mm_1x4 | P4 |
| 1 | USB_B | Connect:USB_Micro-B | P1 |
Questions
How big is the LCD7th PCB?
It measures 48 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LCD7th use?
59 parts, built around the ATMEGA32U4-AU, MCP73831 and MIC5219YMM. 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 LCD7th KiCad files?
From the danfei/LCD7th repository on GitHub, at the commit this page was made from: the board is hardware/LCD7th.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the LCD7th design in my own project?
Its repository publishes it under the LGPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
Similar boards
- 2 layers7.5 × 2 mm
Lightwand
themagicfrog/lightwandprogress
a pcb with neopixel lights attached and a gyroscope! for arcade and the Trail
80 parts - 2 layers51.4 × 61 mm
Cart
psobot/musicboy
A high-quality audio playback cartridge for Nintendo® Game Boy® and Game Boy Color®.
20 parts53MIT - 2 layers80 × 79 mm
MM Power Subsystem
ALECIA13/EEE3088F-2025
This repository contains the Power Module for a Micro-Mouse robot project, developed as part of the EEE3088F (2025) course.
110 parts - 2 layers106.1 × 140 mm
- 2 layers70.9 × 38.1 mm
- 4 layers38.1 × 63.5 mm
Rising sun power board
linalin8589/RisingSunTapestry
Just lighting a bunch leds when the sun rises. Teehee
32 parts - 4 layers31.1 × 26 mm
Kicad Smart Watch old
AFLProjects/DIY-Smart-Watch
DIY Smart Watch with ATMEGA32U4 , ST7789 SPI display and RV3028-C7 Extreme Low Power RTC Module
51 parts12