2 layers68.6 × 53.3 mm
2 layers188.2 × 163.8 mm
OBENG OTOO SOLOMON JUNIOR (01232728B)
Solomonjunior276/Kicad-assignment-- Size
- 188.2 × 163.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 49
- Nets
- 69
- Pads
- 244
- Tracks, vias
- 704, 114
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 26 Jul 2026
- Updated
- 26 Jul 2026
Overview
OBENG OTOO SOLOMON JUNIOR (01232728B) is an open-source printed circuit board by Solomonjunior276, from the Solomonjunior276/Kicad-assignment- repository on GitHub. It is a 2-layer board of 188.2 × 163.8 mm with 49 parts on 69 nets, routed with 704 tracks and 114 vias.
It is built around the FT231XS-R, LM1117-3.3 and MIC5205YM5, with the 2N7002PW and MBRA140 among its other parts. Its parts include 14 capacitors, 13 resistors, 5 ICs, 5 connectors and 2 transistors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
5
FT231XS-R
SSOP-20-150mil-40℃~+85℃ 125uA 5V 8.4mA USB 2.0 USB to UART SSOP-20-150mil USB Converters ROHSFTDIUSB Converters
LM1117-3.3
SOT-2231 1.3V@(1000mA) 15V 1A 2mA 3.3V Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHShongjiachengUncategorised
MIC5205YM5
SOT-23-5-40℃~+125℃ 1 1.242V~15.65V 150mA 150uA 16V 350mV@(150mA) Adjustable Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSMicrochip TechnologyVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
2N7002PW
SOT-323(SC-70)-55℃~+150℃ 1 N-channel 1.6Ω@10V 2.4V 310mA 310mW 4pF 50pF 60V 800pC@4.5V N-Channel SOT-323(SC-70) MOSFETs ROHSNexperiaMOSFETs
MBRA140
SMA(DO-214AC)-55℃~+125℃ 1 Independent 1A 30A 40V 500uA@40V 550mV@1A SMA(DO-214AC) Schottky Diodes ROHSonsemiSchottky Diodes
Parts
49| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 0.1uF | Capacitor_SMD:C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C4, C8, C10, C12, C14 |
| 4 | 1k | Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R6, R7, R8, R9 |
| 3 | 1.0uF | Capacitor_SMD:C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C1, C2, C7 |
| 3 | 10k | Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R1, R11, R13 |
| 3 | 10uF | Capacitor_SMD:CP_Elec_3x5.4 | C3, C6, C15 |
| 2 | 27 | Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R5, R10 |
| 2 | 47pF | Capacitor_SMD:C_0201_0603Metric_Pad0.64x0.40mm_HandSolder | C9, C13 |
| 2 | Conn_01x03_Socket | Connector_Hirose:Hirose_DF13-03P-1.25DSA_1x03_P1.25mm_Vertical | J1, J3 |
| 1 | 10K | Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R4 |
| 1 | 16MHz | Crystal:Resonator-3Pin_W7.0mm_H2.5mm | Y2 |
| 1 | 1A/60V/500mOHM | Package_TO_SOT_SMD:SOT-23_Handsoldering | Q1 |
| 1 | 240 | Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R15 |
| 1 | 2N7002PW | Package_TO_SOT_SMD:SOT-23 | Q2 |
| 1 | 4.7k | Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R2 |
| 1 | 47uF | Capacitor_SMD:CP_Elec_3x5.4 | C5 |
| 1 | 6V/0.5A | Varistor:RV_Disc_D7mm_W3.4mm_P5mm | F1 |
| 1 | 715 | Resistor_SMD:R_0201_0603Metric_Pad0.64x0.40mm_HandSolder | R14 |
| 1 | ATmega328P_TQFP | Package_DIP:DIP-32_W7.62mm | U4 |
| 1 | Conn_01x10_Pin | Connector_JST:JST_PH_B10B-PH-K_1x10_P2.00mm_Vertical | J4 |
| 1 | FT231XS | Package_SO:SSOP-20_3.9x8.7mm_P0.635mm | U1 |
| 1 | ICSP | Connector_IDC:IDC-Header_2x03_P2.54mm_Vertical_SMD | J2 |
| 1 | IOL | Connector_JST:JST_EH_B8B-EH-A_1x08_P2.50mm_Vertical | JP13 |
| 1 | LED2 | LED_SMD:LED_0201_0603Metric_Pad0.64x0.40mm_HandSolder | Green1 |
| 1 | LED3 | LED_SMD:LED_0201_0603Metric_Pad0.64x0.40mm_HandSolder | Red1 |
| 1 | LED4 | LED_SMD:LED_0201_0603Metric_Pad0.64x0.40mm_HandSolder | Yellow1 |
| 1 | LM1117 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U5 |
| 1 | MBRA140 | Diode_SMD:D_SMA | D1 |
| 1 | MIC5205 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | RESET | Button_Switch_SMD:SW_MEC_5GSH9 | S1 |
| 1 | USB_B | Connector_USB:USB_B_TE_5787834_Vertical | J5 |
| 1 | ~ | Connector_Harwin:Harwin_M20-89006xx_1x06_P2.54mm_Horizontal | AD1 |
| 1 | ~ | Connector_JST:JST_EH_B8B-EH-A_1x08_P2.50mm_Vertical | JP10 |
| 1 | ~ | Connector_BarrelJack:BarrelJack_CUI_PJ-036AH-SMT_Horizontal | U3 |
Questions
How big is the OBENG OTOO SOLOMON JUNIOR (01232728B) PCB?
It measures 188.2 × 163.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OBENG OTOO SOLOMON JUNIOR (01232728B) use?
49 parts, built around the FT231XS-R, LM1117-3.3, MIC5205YM5 and 2N7002PW. 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 OBENG OTOO SOLOMON JUNIOR (01232728B) KiCad files?
From the Solomonjunior276/Kicad-assignment- repository on GitHub, at the commit this page was made from: the board is OBENG OTOO SOLOMON JUNIOR (01232728B).kicad_pcb and its schematic OBENG OTOO SOLOMON (01232728B).kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the OBENG OTOO SOLOMON JUNIOR (01232728B) design in my own project?
Its repository states no licence, so its author keeps all rights: ask Solomonjunior276 before reusing the design.
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