
MiniBox
phorton1/Arduino-boat-fridgeController
ESP32 based controller for Danfoss BD35/50 using Secop 101N0220, 101N0212, or similar inverter box.

ESP32 based controller for Danfoss BD35/50 using Secop 101N0220, 101N0212, or similar inverter box.
Board1 is an open-source printed circuit board by phorton1, from the phorton1/Arduino-boat-fridgeController repository on GitHub. It is a 2-layer board of 98 × 96 mm with 43 parts on 45 nets, routed with 325 tracks and 18 vias.
It is built around the BC547. Its parts include 15 resistors, 9 connectors, 5 diodes, 4 switches and 2 capacitors. It belongs with the ESP32 boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10K | 0_my_footprints2:resistor | R5, R7, R9, R12, R14 |
| 4 | 220 | 0_my_footprints2:resistor | R1, R2, R3, R4 |
| 3 | 2K | 0_my_footprints2:resistor | R6, R8, R10 |
| 3 | 4.7K | 0_my_footprints2:resistor | R11, R13, R15 |
| 1 | 100uf | 0_my_footprints2:CP_my100uf | C2 |
| 1 | 12V_IN | 0_my_footprints:myJSTx02 | J1 |
| 1 | 12V_TEST | 0_my_footprints2:pinHeader1x2 | J9 |
| 1 | 1N4003 | 0_my_footprints:myZenerDiode | D5 |
| 1 | 4.7uf | 0_my_footprints:CP_my10uf | C1 |
| 1 | 5V_JUMP | 0_my_footprints2:pinHeader1x2 | J2 |
| 1 | BC547 | 0_my_footprints2:transistor | Q1 |
| 1 | BLUE | 0_my_footprints2:led_small_blue | D4 |
| 1 | BUCK01 | 0_my_footprints2:buck-mini360 | M1 |
| 1 | BUTTON1 | 0_my_footprints2:button_6mm_H12 | SW2 |
| 1 | BUTTON2 | 0_my_footprints2:button_6mm_H12 | SW3 |
| 1 | BUTTON3 | 0_my_footprints2:button_6mm_H12 | SW4 |
| 1 | ESP32_DEV_0 | 0_my_footprints2:esp32_dev_0 | U1 |
| 1 | EXT_LED | 0_my_footprints2:JST3 | J5 |
| 1 | GREEN | 0_my_footprints2:led_small_green | D1 |
| 1 | LCD | 0_my_footprints2:myLCD_2x16 | J6 |
| 1 | MECH_THERM | 0_my_footprints:myJSTx02 | J4 |
| 1 | MINI_BOX | 0_my_footprints2:myJST6_right | J3 |
| 1 | ON/OFF | 0_my_footprints2:SW_DPDT_BLUE_LEVER | SW1 |
| 1 | RED | 0_my_footprints2:led_small_red | D3 |
| 1 | SD_TYP0 | 0_my_footprints:SDCardReader | M2 |
| 1 | TEMP1 | 0_my_footprints2:JST3 | J7 |
| 1 | TEMP2 | 0_my_footprints2:JST3 | J8 |
| 1 | YELLOW | 0_my_footprints2:led_small_yellow | D2 |
The 39 most common of 43 parts.

phorton1/Arduino-boat-fridgeController
ESP32 based controller for Danfoss BD35/50 using Secop 101N0220, 101N0212, or similar inverter box.

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It measures 98 × 96 mm and has 2 copper layers, 1.6 mm thick.
43 parts, built around the BC547. 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.
From the phorton1/Arduino-boat-fridgeController repository on GitHub, at the commit this page was made from: the board is docs/kicad/board1/board1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask phorton1 before reusing the design.