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4 layers63.2 × 183.1 mmNeflow, the printed circuit board in 3D

Not Evils Reflow Oven (neflow

Size
63.2 × 183.1 mm
Copper layers
4
Thickness
1.6 mm
Parts
63
Nets
67
Pads
240
Tracks, vias
384, 31
Pours
2
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
14 Oct 2023
Updated
12 Jul 2026

Overview

Neflow is an open-source printed circuit board by DrNotThatEvil, from the DrNotThatEvil/neflow repository on GitHub. It is a 4-layer board of 63.2 × 183.1 mm with 63 parts on 67 nets, routed with 384 tracks and 31 vias.

It is built around the HLK-PM01, MAX31855KASA+T and IRLML2502, with the BLM18PG471SN1 and 1N4148W among its other parts. Its parts include 11 resistors, 10 capacitors, 7 connectors, 6 transistors and 4 ICs. It belongs with the RP2040 boards of this library.

Main components

5

Parts

63
QtyValueFootprintReferences
1110KResistor_SMD:R_0603_1608MetricR101, R102, R103, R104, R105, R106, R107, R108, R109, R110, R111
810uFResistor_SMD:R_0603_1608MetricC101, C102, C103, C104, C105, C106, C107, C108
8MountingHoleMountingHole:MountingHole_3mmH101, H102, H103, H104, H105, H106, H107, H108
5IRLML2502Package_TO_SOT_SMD:SOT-23Q102, Q103, Q104, Q105, Q106
4BLM18PG471Resistor_SMD:R_0603_1608MetricFB101, FB102, FB103, FB104
4SW_Pushsilicone_btn:BUTTON_SILICONSW101, SW102, SW103, SW104
31N4148WDiode_SMD:D_SOD-123D101, D102, D103
210nFResistor_SMD:R_0603_1608MetricC109, C110
2MAX31855KASA+TPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU103, U104
11333870Unshareable:1333870J101
1FAN0Connector_JST:JST_XH_B2B-XH-AM_1x02_P2.50mm_VerticalJ102
1FAN1Connector_JST:JST_XH_B2B-XH-AM_1x02_P2.50mm_VerticalJ104
1HLK-PM01Converter_ACDC:Converter_ACDC_HiLink_HLK-PMxxPS101
1LOGOBranding:PT_BloodLogoSmallG***
1PicoMCU_RaspberryPi_and_Boards:RPi_Pico_SMD_THU101
1Q_PMOS_GSDPackage_TO_SOT_SMD:SOT-23Q101
1SSD1306SSD1306:128x64OLEDBrd101
1SSR0Connector_JST:JST_XH_B2B-XH-AM_1x02_P2.50mm_VerticalJ103
1SSR1Connector_JST:JST_XH_B2B-XH-AM_1x02_P2.50mm_VerticalJ105
1SpeakerLibrary:PassiveBuzzerSMD_JiangsuHuaneng_MLT-5030LS101
1TLV803EF29DBZRPackage_TO_SOT_SMD:SOT-23U102
1Temp0Connector_JST:JST_XH_B2B-XH-AM_1x02_P2.50mm_VerticalJ106
1Temp1Connector_JST:JST_XH_B2B-XH-AM_1x02_P2.50mm_VerticalJ107
1VSel0Jumper:SolderJumper-3_P1.3mm_Open_Pad1.0x1.5mmJP101
1VSel1Jumper:SolderJumper-3_P1.3mm_Open_Pad1.0x1.5mmJP102

Questions

How big is the Neflow PCB?

It measures 63.2 × 183.1 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Neflow use?

63 parts, built around the HLK-PM01, MAX31855KASA+T, IRLML2502 and BLM18PG471SN1. 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 Neflow KiCad files?

From the DrNotThatEvil/neflow repository on GitHub, at the commit this page was made from: the board is pcb/neflow.kicad_pcb and its schematic pcb/neflow.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Neflow design in my own project?

Its repository states no licence, so its author keeps all rights: ask DrNotThatEvil before reusing the design.

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