4 layers60.6 × 56.2 mm
Furnace controller
digiexchris/furnace-controller
Simple 5 wire furnace controller using the Wemos D1 Mini. Intended for ESPHome and Home Assistant or other automation uses.
40 parts
2 layers140.4 × 56.9 mm
Comanda pompa V2
popai/comanda_pompa_LM555comanda pompa in functie de nivelul din bazin cu LM555
- Size
- 140.4 × 56.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 38
- Pads
- 107
- Tracks, vias
- 164, 0
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 28 Jul 2026
- Updated
- 3 Sep 2026
Overview
Comanda pompa V2 is an open-source printed circuit board by popai, from the popai/comanda_pompa_LM555 repository on GitHub. It is a 2-layer board of 140.4 × 56.9 mm with 32 parts on 38 nets, routed with 164 tracks and 0 vias.
It is built around the ULN2003, BD139 and RB151, with the UMS05-1A80-75L among its other parts. Its parts include 13 resistors, 6 connectors, 2 capacitors, 2 ICs and 2 diodes.
Main components
4
ULN2003
SOP-161.1V@250uA,100mA 25pF 2V 30V 500mA 50uA 50uA Seven channels SOP-16 Darlington Transistor Arrays ROHSBLDarlington Transistor Arrays
BD139
TO-126-65℃~+150℃ 1 NPN 1.5A 10uA 12.5W 500mV 5V 63 80V NPN TO-126 Bipolar (BJT) ROHSSTMicroelectronicsBipolar (BJT)
RB151
RB-15UncategorisedRECTRON
UMS05-1A80-75L
SIP,3.6x6.9mm-20℃~+85℃ 1 Set Normally Open: 1A (SPST NO) 100us 170V@AC、170V@DC 200us 500mA 5V SIP,3.6x6.9mm Reed Relays ROHSSTANDEXMEDERReed Relays
README
README.mdcomanda pompa in functie de nivelul din bazin cu LM555 Proiect harduare in Kicad
Parts
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 1K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R6, R7, R8, R9, R10, R11, R12 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 2 | 100K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2 |
| 2 | 360R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R13 |
| 1 | 100nF | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C1 |
| 1 | 100uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C2 |
| 1 | 10K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | 1N4148 | Diode_THT:D_A-405_P10.16mm_Horizontal | D2 |
| 1 | 220V IN | Connector_Phoenix_GMSTB:PhoenixContact_GMSTBA_2,5_6-G-7,62_1x06_P7.62mm_Horizontal | J2 |
| 1 | BD139 | Package_TO_SOT_THT:TO-126-3_Vertical | Q2 |
| 1 | BORNE REZERVOR | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-8-5.08_1x08_P5.08mm_Horizontal | J1 |
| 1 | BUTON Power | Connector_Phoenix_MC:PhoenixContact_MCV_1,5_2-G-3.5_1x02_P3.50mm_Vertical | J4 |
| 1 | LED | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | LEDS | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J7 |
| 1 | LM555xN | Package_DIP:DIP-8_W7.62mm_LongPads | U1 |
| 1 | NC (test led) | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J5 |
| 1 | RB151 | Diode_THT:Diode_Bridge_Round_D9.0mm | D10 |
| 1 | Transformer_1P_1S | MyLib:Trafo_10V | T1 |
| 1 | ULN2003 | Package_DIP:DIP-16_W7.62mm_LongPads | U2 |
| 1 | UMS05-1A80-75L | MyLib:891WP-1A-C | RL1 |
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Questions
How big is the Comanda pompa V2 PCB?
It measures 140.4 × 56.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Comanda pompa V2 use?
32 parts, built around the ULN2003, BD139, RB151 and UMS05-1A80-75L. 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 Comanda pompa V2 KiCad files?
From the popai/comanda_pompa_LM555 repository on GitHub, at the commit this page was made from: the board is comanda_pompa_V2.kicad_pcb and its schematic comanda_pompa_V2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Comanda pompa V2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask popai before reusing the design.