2 layers170 × 135 mm
2 layers50 × 58.5 mm
Reader
ostertag/UACSUniversity Access Controll System
- Size
- 50 × 58.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 77
- Nets
- 84
- Pads
- 268
- Tracks, vias
- 512, 235
- Pours
- 254
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 9 May 2024
- Updated
- 5 Nov 2026
Overview
Reader is an open-source printed circuit board by ostertag, from the ostertag/UACS repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 50 × 58.5 mm with 77 parts on 84 nets, routed with 512 tracks and 235 vias.
It is built around the STM32F103C8T6, TP3232N-SR and LM386M-1, with the PMEG2010ER, 1N4148WS and APHBM2012LSURKZGKC among its other parts. Its parts include 27 capacitors, 17 resistors, 8 diodes, 4 ICs and 1 inductor. It belongs with the STM32 boards of this library.
Main components
8
STM32F103C8T6
LQFP-48(7x7)-40℃~+85℃ 12bit 20KB 2V~3.6V 32 Bit 37 64KB 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
TP3232N-SR
SOIC-16-40℃~+125℃ 0.2mA 2 2 3V~5.5V 470Kbps Transceiver Yes ±8kV SOIC-16 RS232 ICs ROHS3PEAKRS232 ICs
LM386M-1
SOP-80.2% 0℃~+70℃ 325mWx1@8Ω 4V~12V 4mA 50dB Analog voltage gain SOP-8 Audio Amplifiers ROHSSlkorAudio Amplifiers
PMEG2010ER
SOD-123W1 Independent 1A 1mA@20V 20V 340mV@1A 50A SOD-123W Schottky Diodes ROHSNexperiaSchottky Diodes
1N4148WS
SOD-3231.25V@150mA 100V 150mA 1uA@75V 200mW 2A 4ns Independent SOD-323 Switching Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Switching Diodes
APHBM2012LSURKZGKC
SMD-4P,2x1.3mm-40℃~+85℃ 1.8V、2.7V 10mcd、90mcd 120° 2mA 515nm、645nm 525nm、630nm 75mW、102.5mW Discrete Diode Red, Emerald Green Water Clear SMD-4P,2x1.3mm LED Indication - Discrete ROHSKingbrightLED Indication - DiscreteAPHBM2012SURKCGKC
SMD-4P,2x1.3mm-40℃~+85℃ 1.95V、2.1V 120° 20mA 50mcd、250mcd 570nm、630nm 574nm、645nm 75mW Discrete Diode Red, Yellow Green Water Clear SMD-4P,2x1.3mm LED Indication - Discrete ROHSKingbrightLED Indication - Discrete
B140-E3
SMA(DO-214AC)-65℃~+150℃ 1 Independent 1A 200uA@40V 30A 40V 520mV@1A SMA(DO-214AC) Schottky Diodes ROHSVishay IntertechnologySchottky Diodes
README
README.mdUACS
University Access Controll System
Parts
77| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 100 nF | Capacitor_SMD:C_0402_1005Metric | C3, C5, C6, C7, C8, C14, C16, C18, C19, C20, C21, C22, C24, C25, C26 |
| 5 | 10 µF | Capacitor_SMD:C_0603_1608Metric | C2, C12, C15, C17, C23 |
| 4 | PMEG2010ER | Diode_SMD:Nexperia_CFP3_SOD-123W | D1, D4, D5, D6 |
| 3 | 180 R | Resistor_SMD:R_0402_1005Metric | R14, R15, R16 |
| 2 | 1 µF | Capacitor_SMD:C_0402_1005Metric | C11, C13 |
| 2 | 10 nF | Capacitor_SMD:C_0402_1005Metric | C10, C27 |
| 2 | 10 pF | Capacitor_SMD:C_0402_1005Metric | C1, C4 |
| 2 | 5100 R | Resistor_SMD:R_0402_1005Metric | R12, R13 |
| 2 | MountingHole | MountingHole:ToolingHole_1.152mm | H2, H3 |
| 1 | +3.3 V | TestPoint:TestPoint_THTPad_D1.0mm_Drill0.5mm | TP1 |
| 1 | 10 K | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | 10 R | Resistor_SMD:R_0402_1005Metric | R3 |
| 1 | 100 µF | Capacitor_SMD:C_1206_3216Metric | C9 |
| 1 | 120 R @ 100 MHz | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | 15 µH | Inductor_SMD:L_Coilcraft_LPS3010 | L1 |
| 1 | 1500 R | Resistor_SMD:R_0402_1005Metric | R11 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 1N4148WS | Diode_SMD:D_SOD-323 | D3 |
| 1 | 20 K | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 24 K | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 2x5P, direct insert | UACS:PinSocket_2x05_P1.27mm_Vertical | SWD1 |
| 1 | 330 R | Resistor_SMD:R_0402_1005Metric | R4 |
| 1 | 5 K | UACS:Potentiometer_Bourns_3314J_Vertical | R2 |
| 1 | 56 R | Resistor_SMD:R_0402_1005Metric | R6 |
| 1 | 560 R | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 68 R | Resistor_SMD:R_0402_1005Metric | R7 |
| 1 | 6P6C | Connector_RJ:RJ12_Amphenol_54601-x06_Horizontal | RJ12 |
| 1 | 75 K | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 82 K | Resistor_SMD:R_0603_1608Metric | R17 |
| 1 | APHBM2012LSURKZGKC | UACS:LED_Kingbright_APHBM2012_2x1.25mm | LED1 |
| 1 | APHBM2012SURKCGKC | UACS:LED_Kingbright_APHBM2012_2x1.25mm | LED2 |
| 1 | Audio | TestPoint:TestPoint_THTPad_D1.0mm_Drill0.5mm | TP3 |
| 1 | B140-E3 | Diode_SMD:D_SMA | D2 |
| 1 | CC BY-NC-SA 4.0 | LOGO | G*** |
| 1 | GND | TestPoint:TestPoint_THTPad_D1.0mm_Drill0.5mm | TP4 |
| 1 | LM386M-1 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | LOGO | LOGO | G*** |
| 1 | MCP16301Hx-xCH | Package_TO_SOT_SMD:SOT-23-6 | U3 |
| 1 | P=1.25mm | Connector_Molex:Molex_PicoBlade_53047-0210_1x02_P1.25mm_Vertical | SP_Conn1 |
| 1 | RFID RC522 | UACS:PinSocket_1x08_P2.54mm_Vertical | RC522 |
| 1 | RFID_IRQ | TestPoint:TestPoint_THTPad_D1.0mm_Drill0.5mm | TP5 |
| 1 | STM32F103C8T6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U2 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | RESET1 |
| 1 | SW_SPDT | Button_Switch_SMD:SW_SPDT_PCM12 | BOOT1 |
| 1 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1 |
| 1 | TP3232N-SR | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U4 |
| 1 | ToolingHole | MountingHole:ToolingHole_1.152mm | H1 |
| 1 | USB_C_Receptacle_USB2.0_14P | Connector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | USB-C1 |
| 1 | V+ | TestPoint:TestPoint_THTPad_D1.0mm_Drill0.5mm | TP2 |
Questions
How big is the Reader PCB?
It measures 50 × 58.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Reader use?
77 parts, built around the STM32F103C8T6, TP3232N-SR, LM386M-1 and PMEG2010ER. 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 Reader KiCad files?
From the ostertag/UACS repository on GitHub, at the commit this page was made from: the board is whole_reader/reader/reader.kicad_pcb and its schematic audio_amplifier/audio_amplifier.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Reader design in my own project?
Its repository publishes it under the GPL-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).
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