
Esp32-4to20ma board
Diode663/ESP32_4-20mA_Sensor
Single-channel industrial 4-20 mA current-loop reader for ESPHome / Home Assistant. ESP32-S3 + INA226, USB-C powered, 24 V loop supply with a constant-current limiter. KiCad 10, generated from Python.

Wirebonder hardware for buspin
Wirebonder is an open-source printed circuit board by onurefe, from the onurefe/Wirebonder repository on GitHub. It is a 4-layer board of 217 × 152 mm with 356 parts on 269 nets, routed with 2,535 tracks and 497 vias.
It is built around the IRS2005SPBF, AD8656AR and MCP6282-E/P, with the LTV-847S, BC807-40 and BC817-40 among its other parts. Its parts include 156 resistors, 89 capacitors, 33 transistors, 21 connectors and 10 diodes.
Wirebonder
| Qty | Value | Footprint | References |
|---|---|---|---|
| 45 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R100, R101, R102, R103, R104, R107, R109, R110, R111, R112, R116, R117, R122, R126, R127 +29 |
| 40 | 100n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C13, C16, C17, C18, C19, C21, C23, C25, C30, C32, C38, C41, C45, C46, C47, C48 +24 |
| 16 | TestPoint_2Pole | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP18 |
| 14 | DG250-3-5-02P-11-00AH | conn:DG250-3-5-02P-11-00AH | J4, J11, J12, J13, J14, J16, J17, J18, J19, J20, J21, J22, J23, J26 |
| 12 | 470R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R90, R91, R92, R93, R151, R152, R153, R154, R155, R156, R157, R158 |
| 11 | 1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4, C5, C6, C15, C20, C86, C88, C90, C93, C94 |
| 9 | 0R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R31, R32, R34, R42, R79, R80, R81, R82, R83 |
| 8 | 10k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R6, R7, R8, R9, R10, R11, R12 |
| 8 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R108, R114, R115, R124, R125, R132, R135, R136 |
| 8 | BC807-40 | Package_TO_SOT_SMD:SOT-23 | Q15, Q16, Q17, Q18, Q21, Q27, Q30, Q34 |
| 7 | 1N4148 | Diode_SMD:D_SOD-123 | D1, D2, D6, D7, D8, D9, D10 |
| 7 | BC817-40 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q19, Q20, Q24, Q26, Q33 |
| 6 | 120R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R118, R119, R128, R129, R139, R140 |
| 6 | 470R 1/4W | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R120, R121, R130, R131, R141, R142 |
| 6 | 8.2R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R56, R57, R58, R59, R65, R66 |
| 6 | BCP53-16 | Package_TO_SOT_SMD:SOT-223 | Q3, Q5, Q22, Q28, Q31, Q35 |
| 6 | BCP56-16 | Package_TO_SOT_SMD:SOT-223 | Q4, Q6, Q23, Q29, Q32, Q36 |
| 6 | P25B6EB | Package_TO_SOT_SMD:TO-252-2 | Q9, Q10, Q11, Q12, Q13, Q14 |
| 5 | 12p %5 | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C35, C36, C37, C39, C40 |
| 5 | 2.2k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R76, R77, R133, R149, R150 |
| 4 | 10u 25V | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1, C2, C31, C42 |
| 4 | 10u 25v | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C50, C59, C65, C85 |
| 4 | 47R %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R37, R38, R43, R44 |
| 3 | 1N4148W | Diode_SMD:D_SOD-123 | D3, D4, D5 |
| 3 | 1n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C54, C55, C62 |
| 3 | 1u 25v | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C29, C43, C44 |
| 3 | 47R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R62, R63, R69 |
| 3 | 56R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R54, R144, R145 |
| 3 | 56R %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R40, R41, R67 |
| 3 | 8.2k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R39, R45, R46 |
| 3 | DG250-3-5-04P-11-00AH | conn:DG250-3-5-04P-11-00AH | J1, J2, J7 |
| 3 | IRS2005S | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U6, U7, U9 |
| 2 | 0.33R | Resistor_SMD:R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R47, R48 |
| 2 | 10n %5 | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C63, C84 |
| 2 | 10n %5 C0G | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C33, C34 |
| 2 | 14.3k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R71, R73 |
| 2 | 18p | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11, C12 |
| 2 | 1M | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R35, R36 |
| 2 | 2.2k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R49, R51 |
| 2 | 4.87k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R70, R74 |
| 2 | 4.99k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R55, R146 |
| 2 | 470R %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R28, R30 |
| 2 | 536R %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R23, R26 |
| 2 | 6.8n %5 | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C26, C27 |
| 2 | 680R %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R27, R33 |
| 2 | AD8656 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U4, U5 |
| 2 | DG301-5-0-02P-12-00AH | conn:DG301-5.0-02P-12-00AH | J6, J24 |
| 2 | DG301-5-0-04P-12-00AH | conn:DG301-5.0-04P-12-00AH | J5, J25 |
| 2 | LTV-847S | Package_DIP:SMDIP-16_W9.53mm | U15, U16 |
| 2 | MCP6282 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U8, U10 |
| 2 | Pololu_Breakout_DRV8825 | Module:Pololu_Breakout-16_15.2x20.3mm | A1, A2 |
| 1 | 1000u 16v | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C95 |
| 1 | 1000u 25v | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C96 |
| 1 | 100mohm %1 2.5W | Resistor_SMD:R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R75 |
| 1 | 100n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C53 |
| 1 | 10k | Potentiometer_SMD:Potentiometer_Bourns_3314G_Vertical | RV1 |
| 1 | 120n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C49 |
| 1 | 12n %5 | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C61 |
| 1 | 1430R %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R25 |
| 1 | 18R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R134 |
| 1 | 1R 1/3W %1 | Resistor_SMD:R_1210_3225Metric_Pad1.30x2.65mm_HandSolder | R53 |
| 1 | 1k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R143 |
| 1 | 2.15k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R50 |
| 1 | 2.2k 1/4W | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R123 |
| 1 | 2.49k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R60 |
| 1 | 2200u 25v | Capacitor_THT:CP_Radial_D12.5mm_P5.00mm | C97 |
| 1 | 22n %5 | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C82 |
| 1 | 3.3k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R29 |
| 1 | 31.6k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R61 |
| 1 | 33.2k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R68 |
| 1 | 4.7k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R113 |
| 1 | 4.7u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C14 |
| 1 | 4.7u Tantalum | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder | C91 |
| 1 | 5.9k %1 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R147 |
| 1 | 57.6k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R72 |
| 1 | 6.65k %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R64 |
| 1 | 61.9R %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R52 |
| 1 | 665R %1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R148 |
| 1 | 680p %5 | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C28 |
| 1 | 68n %5 | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C83 |
The 337 most common of 356 parts.
It measures 217 × 152 mm and has 4 copper layers, 4.69 mm thick.
356 parts, built around the IRS2005SPBF, AD8656AR, MCP6282-E/P and LTV-847S. 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 onurefe/Wirebonder repository on GitHub, at the commit this page was made from: the board is Hardware/Wirebonder.kicad_pcb and its schematic Hardware/Wirebonder.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask onurefe before reusing the design.

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