4 layers355 × 160 mm
LiBCM
doppelhub/Honda_Insight_LiBCM
Replacement BCM for G1 Honda Insight Lithium Conversion
717 parts25CC-BY-SA-4.0
2 layers60 × 75 mm
Just another open-source reflow oven
- Size
- 60 × 75 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 52
- Nets
- 58
- Pads
- 209
- Tracks, vias
- 230, 161
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 9 Dec 2021
- Updated
- 3 Jul 2023
Overview
OSRO is an open-source printed circuit board by dragonlock2, from the dragonlock2/OSRO repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 60 × 75 mm with 52 parts on 58 nets, routed with 230 tracks and 161 vias.
It is built around the ESP32-C3-MINI-1U-H4, BTA41-600B and IRM-03-5, with the MAX6675ISA+, MOC3021SM and SFH620A-2X007T among its other parts. Its parts include 16 resistors, 10 capacitors, 7 ICs, 7 diodes and 6 connectors. It belongs with the ESP32 and RISC-V boards of this library.
Main components
7
ESP32-C3-MINI-1U-H4
SMD,13.2x12.5mm-104dBm -40℃~+105℃ 2.4GHz 20.5dBm 350mA 3V~3.6V 82mA Bluetooth5.0 ESP32-C3FH4 UART、SPI、I2C、I2S、JTAG、USB SMD,13.2x12.5mm WiFi Modules ROHSEspressif SystemsWiFi Modules
BTA41-600B
TO-3P-40℃~+125℃ 1 TRIAC 1.3V 1.4V 1W 40A 420A@20ms 50mA 600V 80mA TO-3P Thyristors (SCR)/Modules ROHSKTPThyristors (SCR)/Modules
IRM-03-5
DIP-51 3W 5V 600mA 72% 85VAC~305VAC AC-DC Short Circuit Protection、Overvoltage protection DIP-5 Power Module/Power Supply ROHSMWAC-DC Power Modules
MAX6675ISA+
SOIC-8-20℃~+85℃ 3V~5.5V SPI SOIC-8 Interface - Specialized ROHSMaxim Integrated (Analog Devices)Interface - Specialized
MOC3021SM
SOP-6-2.54mm-40℃~+85℃ 0.1mA 1 1.15V 1A 330mW 4.17kV 400V 6 60mA No TRIAC SOP-6-2.54mm Triac, SCR Output Optoisolators ROHSonsemiTriac, SCR Output Optoisolators
SFH620A-2X007T
SMD-4P-55℃~+100℃ 1 1.25V 200% 250mV@10mA,2.5mA 250mW 2us 2us 5.3kV 50mA 60mA 63% 70V AC,DC Phototransistor SMD-4P Transistor, Photovoltaic Output Optoisolators ROHSVishay IntertechnologyTransistor, Photovoltaic Output Optoisolators
PRTR5V0U2X
SOT-143-55℃~+125℃ 0.3pF、0.8pF 100W 10V、15V 5V 6.5V 6A 80nA ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Three channels Unidirectional SOT-143 ESD and Surge Protection (TVS/ESD) ROHSTECH PUBLICESD And Surge Protection (TVS/ESD)
README
README.mdOSRO (Open-Source Reflow Oven)
OSRO is an ESP32-C3 powered WiFi-connected reflow oven controller designed for low cost and ease of use. Web UI is built on React JS for those aesthetics.
Building
- Build the web UI.
cd webui
npm install
npm run build- Follow the instructions to get ESP-IDF set up. Currently tested with ESP-IDF
v5.0.2. - Setup the build for the firmware. Make sure to set the WiFi SSID and password under
OSRO WiFi configuration.
cd firmware
get_idf
idf.py set-target esp32c3
idf.py menuconfig- Build and flash the firmware.
cd firmware
idf.py build
idf.py -p <serial port> flashParts
52| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 10k | Resistor_SMD:R_0603_1608Metric | R1, R2, R3, R5, R6, R7, R10, R13, R16 |
| 4 | 10u | Capacitor_SMD:C_0805_2012Metric | C3, C5, C6, C7 |
| 3 | 100 | Resistor_SMD:R_0603_1608Metric | R4, R11, R14 |
| 3 | 100n | Capacitor_SMD:C_0603_1608Metric | C8, C9, C10 |
| 2 | 10k | Resistor_SMD:R_1206_3216Metric | R8, R9 |
| 2 | 1A | Diode_SMD:D_SOD-123F | D2, D3 |
| 2 | 22 | Resistor_SMD:R_0603_1608Metric | R12, R15 |
| 2 | 22p | Capacitor_SMD:C_0603_1608Metric | C2, C4 |
| 2 | BTA41-600B | Package_TO_SOT_THT:TO-3P-3_Horizontal_TabDown | D6, D7 |
| 2 | MAX6675 | Package_SO:SO-8_3.9x4.9mm_P1.27mm | U3, U4 |
| 2 | MOC3021SM | Package_DIP:SMDIP-6_W9.53mm_Clearance8mm | U6, U7 |
| 1 | 120V | extraparts:Molex_MicroFit+_RH_1row_3pin | J1 |
| 1 | 1u | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 500mA | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | AZ1117CR-3.3 | Package_TO_SOT_SMD:SOT-89-3 | U1 |
| 1 | BOOT | Button_Switch_SMD:SW_SPST_PTS810 | SW1 |
| 1 | ESP32-C3-MINI-1U | Espressif:ESP32-C3-MINI-1U | U2 |
| 1 | IRM-03-5 | Converter_ACDC:Converter_ACDC_MeanWell_IRM-03-xx_THT | PS1 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D4 |
| 1 | PRTR5V0U2X | Package_TO_SOT_SMD:SOT-143 | D1 |
| 1 | PWR | LED_SMD:LED_0603_1608Metric | D5 |
| 1 | RST | Button_Switch_SMD:SW_SPST_PTS810 | SW2 |
| 1 | RX | TestPoint:TestPoint_Pad_D2.0mm | TP1 |
| 1 | SFH620A-2X007T | Package_DIP:SMDIP-4_W9.53mm_Clearance8mm | U5 |
| 1 | TX | TestPoint:TestPoint_Pad_D2.0mm | TP2 |
| 1 | USB_B | Connector_USB:USB_B_TE_5787834_Vertical | J2 |
| 1 | heat0 | extraparts:Molex_MicroFit+_RH_1row_2pin | J5 |
| 1 | heat1 | extraparts:Molex_MicroFit+_RH_1row_2pin | J6 |
| 1 | temp0 | extraparts:Molex_DuraClik_RH_2pin | J3 |
| 1 | temp1 | extraparts:Molex_DuraClik_RH_2pin | J4 |
Questions
How big is the OSRO PCB?
It measures 60 × 75 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OSRO use?
52 parts, built around the ESP32-C3-MINI-1U-H4, BTA41-600B, IRM-03-5 and MAX6675ISA+. 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 OSRO KiCad files?
From the dragonlock2/OSRO repository on GitHub, at the commit this page was made from: the board is hardware/hardware.kicad_pcb and its schematic hardware/ZCD.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the OSRO design in my own project?
Its repository publishes it under the Apache-2.0 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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