NETTA-Reflow-Oven-Conversion
About the NETTA-Reflow-Oven-Conversion PCB
NETTA-Reflow-Oven-Conversion is an open source ESP32 PCB design by Charading, published on GitHub. It is a 2-layer board measuring 81 × 49.7 mm, with 64 components from 42 distinct parts.
Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the AP2112K-3.3, CH340C and MAX31855. By type, the board carries 21 resistors, 13 connectors, 8 diodes, 5 capacitors, 4 ICs and 2 switches.
It belongs with the iot & wireless designs in this gallery.
From the project
I converted my NETTA Mini Oven 20L into a reflow oven.
A DIY reflow oven controller based on the ESP32.
- Temperature Control: PID-controlled SSR for precise heating - Multiple Profiles: 600s, 400s, and 30s test profiles - TFT Display: Real-time temperature and profile graph - Servo Door Control: Automatic door opening during cooling - WiFi OTA Updates: Update firmware wirelessly - Safety Features: Auto-stop, cooling phase door control
Main components on the NETTA-Reflow-Oven-Conversion
NETTA-Reflow-Oven-Conversion bill of materials (BOM)
64 components, 42 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-WROOM-32 | ESP32-WROOM-32 | U1 |
| 1 | AP2112K-3.3 | SOT-23-5 | U2 |
| 1 | CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 1 | MAX31855 | SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | UMH3N | SOT-363_SC-70-6 | Q1 |
| 1 | Therm | TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | J1 |
| 1 | Breakout | PinHeader_1x05_P2.54mm_Vertical | J2 |
| 1 | USB_C | USB_C_Receptacle_HRO_TYPE-C-31-M-12 (16P) | J3 |
| 1 | tft | PinHeader_1x14_P2.54mm_Vertical | J4 |
| 1 | SSR | TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | J5 |
| 1 | BUZZ | TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | J6 |
| 1 | VAC_TERMINAL | TerminalBlock_Phoenix_MKDS-3-2-5.08_1x02_P5.08mm_Horizontal | J7 |
| 3 | DC | TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | J8, J9, J10 |
| 2 | CONN_01X02 Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J11, J12 |
| 1 | USB | PinHeader_1x04_P1.27mm_Vertical | J13 |
| 1 | CP_Elec_4x3 | CP_Elec_4x3 | 100uF |
| 1 | START | TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | B1 |
| 1 | PAGE | TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | B2 |
| 1 | TEST | TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | B3 |
| 1 | PAUSE | TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | B4 |
Show 22 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Fuse | Fuseholder_Cylinder-5x20mm_Schurter_0031_8201_Horizontal_Open | F1 |
| 1 | HLK-5M05 | Converter_ACDC_Hi-Link_HLK-5Mxx | PS1 |
| 1 | Varistor | RV_Disc_D9mm_W4.2mm_P5mm | RV1 |
| 1 | EN | SW_SPST_SMD_3x4x2mm | SW1 |
| 1 | BOOT | SW_SPST_SMD_3x4x2mm | SW2 |
| 1 | RED | LED_0603_1608Metric | D1 |
| 1 | 1N5819M | D_SOD-123 | D2 |
| 3 | PESD5V0V1BA | D_SOD-523_TVS | D3, D4, D5 |
| 1 | RED | LED_D3.0mm | D6 |
| 1 | GREEN | LED_D3.0mm | D7 |
| 1 | 1N5819WS | D_SOD-123 | D8 |
| 2 | 600R | Ferrite_0805 | FB1, FB2 |
| 2 | 10UF 10uF | C_0603 | C1, C2 |
| 1 | 100NF 100nF | C_0603 | C3 |
| 1 | 100N 100n | C_0805 | C4 |
| 1 | 10N 10n | C_0805 | C5 |
| 1 | 2K | R_0603 | R1 |
| 2 | 5.1K | R_0603 | R2, R3 |
| 5 | 0R | R_0603 | R4, R5, R11, R12, R13 |
| 10 | 10K | R_0603 | R6, R7, R14, R15, R16, R17, R18, R19 +2 |
| 1 | 10K | R_0805 | R8 |
| 2 | RC0603FR-071K5L 1.5k_0603 Yageo | R_0603 | R9, R10 |
NETTA-Reflow-Oven-Conversion design files
The KiCad project lives in the Charading/NETTA-Reflow-Oven-Conversion repository on GitHub; these links point at the commit this page was built from.
NETTA-Reflow-Oven-Conversion: common questions
What microcontroller does the NETTA-Reflow-Oven-Conversion use?
The NETTA-Reflow-Oven-Conversion is built around the ESP32-WROOM-32, from the ESP32 family.
How big is the NETTA-Reflow-Oven-Conversion PCB?
The NETTA-Reflow-Oven-Conversion measures 81 × 49.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the NETTA-Reflow-Oven-Conversion?
64 components, from 42 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the NETTA-Reflow-Oven-Conversion design files?
From the Charading/NETTA-Reflow-Oven-Conversion repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the NETTA-Reflow-Oven-Conversion design in my own project?
The repository has no license, so all rights stay with Charading. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the NETTA-Reflow-Oven-Conversion without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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