2 layers53.3 × 22.9 mm
WsprryPico Synth Shield with GPS
WsprryPi/WsprryPi-PCB-Designs
HAT and LPF Designs for the WsprryPi Organization
46 parts1MIT
2 layers65 × 23.5 mm
Picise
ckuhtz/picisePrototype for a time / location GNSS accessory for a Raspberry Pi 40-pin GPIO.
- Size
- 65 × 23.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 39
- Nets
- 59
- Pads
- 150
- Tracks, vias
- 297, 63
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 25 Oct 2022
- Updated
- 27 Nov 2022
Overview
Picise is an open-source printed circuit board by ckuhtz, from the ckuhtz/picise repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 65 × 23.5 mm with 39 parts on 59 nets, routed with 297 tracks and 63 vias.
It is built around the MAX-M10S-00B, CAT24C256WI-GT3 and PCA9557PW, with the CC0603KRX7R9BB104, SD0603S040S0R2 and LQW18AN47NG00D among its other parts. Its parts include 12 resistors, 11 capacitors, 3 ICs, 3 diodes and 2 connectors. It belongs with the radio and wireless boards of this library.
Main components
11
MAX-M10S-00B
LCC-18(9.7x10.1)LCC-18(9.7x10.1) GNSS Modules ROHSu-bloxGNSS Modules
CAT24C256WI-GT3
SOIC-8-40℃~+85℃ 1,000,000 cycles 1.8V~5.5V 100 Years 1MHz 256Kbit 5ms Hardware write protection function、Noise suppression function、Built-in power-on reset (POR)、Built-in error correction code (ECC) function I2C SOIC-8 EEPROM ROHSonsemiEEPROM
PCA9557PW
TSSOP-16-40℃~+85℃ 10mA 2.3V~5.5V 250nA 400kHz 8 8 I2C、SMBus No Interrupt Output Open-drain Reset function、Cascading and address extension TSSOP-16 I/O Expanders ROHSNXP SemiconductorsI/O Expanders
CC0603KRX7R9BB104
0603100nF 50V X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSYAGEOMultilayer Ceramic Capacitors MLCC - SMD/SMT
SD0603S040S0R2
06031uA@40V 200mA 40V 450mV@200mA 0603 Schottky Diodes ROHSKyocera AVXSchottky DiodesLQW18AN47NG00D
0603290mΩ 380mA 47nH Consumer grade Unshielded Inductor ±2% 0603 Inductors (SMD) ROHSMurataPower Inductors
SMA-J-P-H-ST-EM1
SMD-65℃~+125℃ 1 20GHz 335V 50Ω Board Side Inner pin Positive Pin SMA SMD Coaxial Connectors (RF) ROHSSamtecCoaxial Connectors (RF)19-217/BHC-ZL1M2RY/3T
0603-40℃~+85℃ 110mW 120° 2.8V 24.5mcd~28.5mcd 465nm~475nm 468nm 5mA Blue Discrete Diode Water Clear 0603 LED Indication - Discrete ROHSEverlight ElectronicsLED Indication - Discrete
MS621FE-FL11E
UncategorisedSeiko InstrumentsLTST-C191KRKT
0603-55℃~+85℃ 130° 20mA 2V 54mcd 631nm 639nm 75mW Discrete Diode Red Water Clear 0603 LED Indication - Discrete ROHSLite-OnLED Indication - Discrete
SSQ-120-03-G-D
插件,P=2.54mm-55℃~+125℃ 2 2.54mm 2.54mm 40P 8.51mm Gold Through Hole 插件,P=2.54mm Female Headers ROHSSamtecFemale Headers
README
README.mdPicise
Prototype for a time / location accessory for a Raspberry Pi 40-pin GPIO.
Goals:
- high quality time (including pps) and location source
- low cost but not cheap
- all 3.3VDC to keep things simple
- clearance for Pi52's ICE Tower coolers
Vertical GPIO riser with
- HAT EEPROM,
- GNSS,
- GNSS battery backup,
- indicators for power and GNSS fix,
- 3.3VDC fan header.
BOM:
Status:
2022-11-25: rev2 design in progress.
2022-11-24: rev1 assembled, working (click on video below). Planning rev2 improvements.
PCB:
Video:
2022-11-01: rev1 prototype boards received, pending assembly.
Library not published at this time. Can't remember what has which licensing where I used stuff from vendors.
License:
CC BY-SA 4.0, see LICENSE file.
Parts
39| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C4, C8, C9 |
| 3 | 10uF | Capacitor_SMD:C_0603_1608Metric | C2, C5, C6 |
| 3 | 1uF | Capacitor_SMD:C_0603_1608Metric | C3, C7, C14 |
| 3 | 20k | Resistor_SMD:R_0603_1608Metric | R3, R4, R5 |
| 2 | 2k2 | Resistor_SMD:R_0603_1608Metric | R11, R12 |
| 2 | 3.9k | Resistor_SMD:R_0603_1608Metric | R6, R7 |
| 2 | MountingHole_2.7mm_M2.5 | MountingHole:MountingHole_2.7mm_M2.5 | MH1, MH2 |
| 1 | 0.5A 40V 420mV | Diode_SMD:D_0603_1608Metric | D25 |
| 1 | 10R | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 22pF | Capacitor_SMD:C_0603_1608Metric | C15 |
| 1 | 330R | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 47nH | Inductor_SMD:L_0603_1608Metric | L1 |
| 1 | 47pF | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 620R | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | 80R | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | ANT_SMA | Connector_SMA_Samtec:SAMTEC_SMA-J-P-H-ST-EM1 | J1 |
| 1 | Blue | Diode_SMD:D_0603_1608Metric | D69 |
| 1 | CAT24C256 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | DNP | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 1 | ID_WP | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | LOGO | Graphics:by-sa 15x5.2 | |
| 1 | MAX-M10S | RF_GNSS_u-blox:MAX-M10S | U1 |
| 1 | MS621FE-FL11E | Battery_Cell_Seiko:BAT_MS621FE-FL11E | BT1 |
| 1 | PCA9557PW | Package_SO:TSSOP-16_4.4x5mm_P0.65mm | U2 |
| 1 | Red | Diode_SMD:D_0603_1608Metric | D42 |
| 1 | SSQ-120-03_GPIO | Connector_Header_Samtec:SAMTEC_SSQ-120-03-G-D_Pi | J2 |
| 1 | SolderJumper_3_Open | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP3 |
The 38 most common of 39 parts.
Questions
How big is the Picise PCB?
It measures 65 × 23.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Picise use?
39 parts, built around the MAX-M10S-00B, CAT24C256WI-GT3, PCA9557PW and CC0603KRX7R9BB104. 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 Picise KiCad files?
From the ckuhtz/picise repository on GitHub, at the commit this page was made from: the board is picise.kicad_pcb and its schematic picise.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Picise design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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