

Arduino based sourdough proof box with LCD display
- Size
- 69.9 × 49.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 39
- Pads
- 89
- Tracks, vias
- 93, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 18 May 2021
- Updated
- 27 Jun 2024
Overview
Nano is an open-source printed circuit board by mikespook, from the mikespook/TinyProofBox repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 69.9 × 49.5 mm with 25 parts on 39 nets, routed with 93 tracks and 0 vias.
It is built around the S8050. Its parts include 7 connectors, 4 resistors, 3 switches, 2 diodes and 2 transistors. It belongs with the lEDs and displays boards of this library.
Main components
1README
README.mdTinyProofBox
An Arduino Nano based, (TODO: TinyGo implemented) sourdough proof box with LCD display
Tools
FreeCAD KiCAD Arduino IDE TODO: TinyGo
Parts
Arduino Nano DHT11 sensor LCD1602 with I2C adaptor 2 channel relay module 12V 40W Heater (diameter: 6mm, length: 20mm) 12V 4010 cooling fan Heat sink (length: 36mm, height: 36mm, width: 35) Prototype board (length: 70mm, width: 50mm)
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 2 | 10K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3, R4 |
| 2 | 1K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2 |
| 2 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2 |
| 2 | Conn_01x02_Male | Connector_JST:JST_XH_B2B-XH-AM_1x02_P2.50mm_Vertical | J2, J3 |
| 2 | S8050 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2 |
| 2 | SANYOU_SRD_Form_C | Relay_THT:Relay_SPDT_SANYOU_SRD_Series_Form_C | K1, K2 |
| 1 | 10K | Potentiometer_THT:Potentiometer_Runtron_RM-065_Vertical | RV1 |
| 1 | 10uF | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C1 |
| 1 | Analog | Connector_PinSocket_2.54mm:PinSocket_1x15_P2.54mm_Vertical | P2 |
| 1 | Barrel_Jack_Switch | Connector_BarrelJack:BarrelJack_Horizontal | J1 |
| 1 | Buzzer | Buzzer_Beeper:Buzzer_12x9.5RM7.6 | BZ1 |
| 1 | Conn_01x03_Male | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | Digital | Connector_PinSocket_2.54mm:PinSocket_1x15_P2.54mm_Vertical | P1 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1 |
Questions
How big is the Nano PCB?
It measures 69.9 × 49.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Nano use?
25 parts, built around the S8050. 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 Nano KiCad files?
From the mikespook/TinyProofBox repository on GitHub, at the commit this page was made from: the board is KiCAD/pcb/nano.kicad_pcb and its schematic KiCAD/pcb/nano.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Nano 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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