wildsystems/HA_AddonsUhc-24-8 is an open-source printed circuit board by wildsystems, from the wildsystems/HA_Addons repository on GitHub, published under the BSD-2-Clause licence. It is a 4-layer board of 233.7 × 83.2 mm with 142 parts on 143 nets, routed with 725 tracks and 68 vias.
It is built around the ESP32-WROOM-32D, K7805-500R3 and 1N4148W, with the 2N7002P, BSC-SS-124L and KT-0805Y among its other parts. Its parts include 45 resistors, 30 diodes, 14 connectors, 14 switches and 12 transistors. It belongs with the ESP32 boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 1N4148W | PCM_Diode_SMD_AKL:D_SOD-123 | D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24 |
| 12 | 2N7002P | Package_TO_SOT_SMD_AKL:SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12 |
| 12 | 4.7k | Resistor_SMD:R_0805_2012Metric | R4, R5, R9, R10, R18, R21, R27, R28, R31, R33, R37, R39 |
| 12 | 510R | Resistor_SMD:R_0805_2012Metric | R1, R6, R7, R11, R17, R20, R24, R26, R30, R34, R36, R41 |
| 12 | 56R | Resistor_SMD:R_0805_2012Metric | R2, R3, R8, R12, R19, R22, R25, R29, R32, R35, R38, R40 |
| 12 | BSC-SS-124L | My Footprints:Relay_SPDT_QLRELAY_BSC | K1, K2, K3, K4, K5, K6, K7, K8, K9, K10, K11, K12 |
| 12 | KT-0805Y | LED_SMD:LED_0805_2012Metric | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12 |
| 12 | WJ126V-5.0-3P | My Footprints:CONN-TH_3P-P5.08_DIBO_DB142V-5.08-3P | J1, J2, J3, J4, J5, J6, J7, J8, J9, J10, J11, J12 |
| 5 | 10K | PCM_Resistor_SMD_AKL:R_0603_1608Metric | R13, R14, R15, R16, R23 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | 20R | Resistor_SMD:R_0805_2012Metric | R42, R43, R44 |
| 3 | KT-0805G | LED_SMD:LED_0805_2012Metric | D28, D29, D30 |
| 2 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C2, C10 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C8 |
| 1 | 10uF/50V | Capacitor_SMD_AKL:C_1206_3216Metric | C5 |
| 1 | 15R | Resistor_SMD:R_0805_2012Metric | R45 |
| 1 | 1N5819 | Diode_SMD:D_SOD-123 | D27 |
| 1 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1 |
| 1 | 2.2uH | Ferrite_SMD_AKL:Ferrite_1206_3216Metric | L3 |
| 1 | 22uF | Capacitor_SMD:C_0603_1608Metric | C9 |
| 1 | 22uF/10V | Capacitor_SMD:C_1206_3216Metric | C6 |
| 1 | 22uH | Inductor_SMD:L_0603_1608Metric | L2 |
| 1 | 24V | TestPoint:TestPoint_Pad_D2.0mm | TP1 |
| 1 | 3.3V | TestPoint:TestPoint_Pad_D2.0mm | TP4 |
| 1 | 4.7uF/10V | Capacitor_SMD:C_0402_1005Metric | C7 |
| 1 | 4.7uF/63V | Capacitor_SMD_AKL:C_1206_3216Metric | C4 |
| 1 | 5V | TestPoint:TestPoint_Pad_D2.0mm | TP3 |
| 1 | 5V_USB | TestPoint:TestPoint_Pad_D2.0mm | TP2 |
| 1 | 680uF/50V | My Footprints:CAP-SMD_BD12.5-L13.0-W13.0-LS14.4-FD | C3 |
| 1 | BAT46W | Diode_SMD:D_SOD-123 | D25 |
| 1 | Clear | My Footprints:SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL-2 | SW2 |
| 1 | ESP-PROG | Connector:Tag-Connect_TC2030-IDC-FP_2x03_P1.27mm_Vertical | J13 |
| 1 | ESP32-WROOM-32D | My Footprints:WIFI-SMD_ESP32-WROOM-32E-A | U3 |
| 1 | FHW1210IF820JST | Inductor_SMD:L_1210_3225Metric | L1 |
| 1 | Fuse | My Footprints:FUSE-TH_L24.4-W9.4-P22.60 | F1 |
| 1 | K7805-500R3 | My Footprints:PWRM-TH_K78XX-500R3 | U1 |
| 1 | KT-0805B | Diode_SMD_AKL:D_0805_2012Metric | D26 |
| 1 | LM3671MFX-3.3/NOPB | Package_TO_SOT_SMD:TSOT-23-5 | U4 |
| 1 | MCP23017_SS | Package_SO:SSOP-28_5.3x10.2mm_P0.65mm | U2 |
| 1 | RL0603E024M250K | Diode_SMD_AKL:D_0603_1608Metric | RV1 |
| 1 | Reboot | My Footprints:SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL-2 | SW1 |
| 1 | WJ126V-5.0-2P | My Footprints:CONN-TH_2P-P5.08_DIBO_DB142V-5.08-2P | J14 |
It measures 233.7 × 83.2 mm and has 4 copper layers, 1.6 mm thick.
142 parts, built around the ESP32-WROOM-32D, K7805-500R3, 1N4148W and 2N7002P. 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 wildsystems/HA_Addons repository on GitHub, at the commit this page was made from: the board is HVAC/UnderfloorHeating/UnderfloorHeatingActuatorsControl/24v/uhc-24-8/hardware/PCB/uhc-24-8.kicad_pcb and its schematic HVAC/UnderfloorHeating/UnderfloorHeatingActuatorsControl/220V/uhc-12/io220v.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the BSD-2-Clause licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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