4 layers71.9 × 55.5 mm
RISKYMSXCart
arkadiuszmakarenko/RISKYMSX
RISKY MSX Cartridge based on WCH CH32V303V chip. It is 256KB cart programmed using USB Fat32 flash drive
39 parts23
2 layers30 × 40 mm
Pigeon
Olin-Rocketry/pigeonSimple flight computer to serve as a learning bed for embedded software and pcb design.
- Size
- 30 × 40 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 31
- Nets
- 39
- Pads
- 125
- Tracks, vias
- 358, 65
- Pours
- 10
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 5 Dec 2018
- Updated
- 15 Oct 2020
Overview
Pigeon is an open-source printed circuit board by Olin-Rocketry, from the Olin-Rocketry/pigeon repository on GitHub. It is a 2-layer board of 30 × 40 mm with 31 parts on 39 nets, routed with 358 tracks and 65 vias.
It is built around the ATMEGA328-AU, ADXL345-EP and LM1117MPX-3.3. Its parts include 10 resistors, 9 capacitors, 4 ICs, 3 diodes and 2 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATMEGA328-AU
TQFP-32(7x7)-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
ADXL345-EP
LGA-14(3x5x0.8)LGA-14(3x5x0.8) New Arrivals ROHSAnalog DevicesUncategorised
LM1117MPX-3.3
SOT-223-40℃~+125℃ 1 1.2V@(800mA) 15V 3.3V 5mA 75dB@(120Hz) 800mA Fixed Over Current Protection、Over Temperature Protection Positive SOT-223-4 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdPigeon
simple flight computer to serve as a learning bed for embedded software and pcb design.
Features
- atmega328p-AU
- battery connector (JST-PH 2-pin)
- 3-axis accelerometer (ADXL345)
- 2 or 3 programming leds
- SD-Card reader -level stepper for SD-Card
Requirements
- fit in our current rocket (same dimensions as peregrine)
- run time greater than 30 minutes
Goals
- learning platform for incoming members
- test/optimize SD-Card write performance
Parts
31| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | R_10K | footprints:R_0805_OEM | R4, R8, R9, R11 |
| 4 | R_200 | rocketry:R_0805_OEM | R1, R2, R3, R5 |
| 3 | LED_0805 | rocketry:LED_0805_OEM | D1, D2, D3 |
| 2 | C_10uF | footprints:C_0805_OEM | C2, C3 |
| 2 | C_30pF | rocketry:C_0805_OEM | C4, C5 |
| 1 | ADXL345 | rocketry:ADXL345 | U3 |
| 1 | ATmega328-AU | rocketry:TQFP-32_7x7mm_Pitch0.8mm | U4 |
| 1 | CONN_02X03 | footprints:Pin_Header_Straight_2x03 | J2 |
| 1 | C_0.1uF | footprints:C_0805_OEM | C9 |
| 1 | C_0.1uF | rocketry:C_0805_OEM | C7 |
| 1 | C_100pF | rocketry:C_0805_OEM | C6 |
| 1 | C_1uF | rocketry:C_0805_OEM | C1 |
| 1 | C_1uF | footprints:C_0805_OEM | C8 |
| 1 | Crystal_SMD | rocketry:Crystal_SMD_FA238 | Y1 |
| 1 | JST-PH_2_RA | rocketry:JST-PH_2_RA | J1 |
| 1 | LM1117MPX-3.3 | TO_SOT_Packages_SMD:SOT-223 | U2 |
| 1 | LOGO | footprints:pigeon | G*** |
| 1 | MicroSD_V2 | rocketry:Micro_SD_Card_Holder_Molex | SD1 |
| 1 | R_100 | rocketry:R_0805_OEM | R7 |
| 1 | R_10K | rocketry:R_0805_OEM | R6 |
| 1 | SK812 | rocketry:SK6812 | U1 |
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Questions
How big is the Pigeon PCB?
It measures 30 × 40 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pigeon use?
31 parts, built around the ATMEGA328-AU, ADXL345-EP and LM1117MPX-3.3. 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 Pigeon KiCad files?
From the Olin-Rocketry/pigeon repository on GitHub, at the commit this page was made from: the board is circuit/circuit.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pigeon design in my own project?
Its repository states no licence, so its author keeps all rights: ask Olin-Rocketry before reusing the design.