
Battery monitor rev a
bogdan-kovalchuk/esp32-battery-charging-monitoring
An ESP32-based 12 V battery voltage monitor. The firmware measures battery voltage, while a Flask backend delivers notifications to a Signal group through signal-cli.

Accumulation Control PCB is an open-source printed circuit board by Alexandr-Filatov, from the Alexandr-Filatov/Accumulation_Control_PCB repository on GitHub. It is a 4-layer board of 319.7 × 137.4 mm with 401 parts on 285 nets, routed with 690 tracks and 24 vias.
It is built around the TD301MCANFD, URB2405ZP-10WR3 and TLV1117LV33DCYR, with the TLV431ASN, S1M and 0451002.MRL among its other parts. Its parts include 137 resistors, 90 diodes, 86 capacitors, 34 connectors and 32 ICs.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 30 | ~ | Connector_My:Mini-Fit_01x02_Vertical | J10, J11, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23, J24, J25 +14 |
| 30 | ~ | LED_SMD:LED_0805_2012Metric | D11, D13, D17, D19, D22, D25, D27, D29, D31, D33, D35, D37, D39, D41, D43, D45 +14 |
| 29 | ~ | Package_TO_SOT_SMD:SOT-23 | D1, D3, D14, D26, D30, D34, D38, D42, D46, D50, D54, D56, D59, D62, D65, D68 +13 |
| 28 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11, R13, R16, R17, R21, R108, R111, R114, R117, R120, R123, R126, R129, R136, R139, R140 +12 |
| 25 | 8.2k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R54, R61, R64, R67, R70, R100, R103, R106, R109, R112, R115, R118, R121, R124, R127, R130 +9 |
| 24 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3, C5, C7, C16, C17, C18, C19, C27, C28, C29, C32, C33, C41, C56, C73 +8 |
| 24 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R62, R65, R68, R71, R74, R101, R104, R107, R110, R113, R116, R119, R122, R125, R128, R131 +8 |
| 16 | PC817 | Package_DIP:DIP-4_W7.62mm | U7, U8, U9, U10, U11, U12, U13, U14, U15, U16, U17, U18, U19, U20, U21, U22 |
| 16 | ~ | Diode_SMD:D_SMA_Handsoldering | D24, D28, D32, D36, D40, D44, D48, D52, D58, D61, D64, D67, D70, D73, D76, D79 |
| 12 | 2M | Resistor_SMD:R_1206_3216Metric | R1, R2, R3, R6, R29, R30, R32, R41, R49, R50, R53, R134 |
| 11 | 1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C6, C71, C74, C75, C76, C77, C78, C79, C80, C81 |
| 10 | 10u | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C34, C35, C36, C37, C38, C44, C47, C66, C68, C69 |
| 10 | 56p | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C9, C12, C15, C40, C42, C45, C55, C57, C60 |
| 9 | 150k | Resistor_SMD:R_1206_3216Metric | R25, R26, R27, R28, R31, R34, R48, R51, R132 |
| 8 | 2.2u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C22, C24, C46, C50, C51, C53, C61, C63 |
| 8 | 3.3k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R63, R69, R75, R81, R87, R93, R99, R105 |
| 8 | 330 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R60, R66, R72, R78, R84, R90, R96, R102 |
| 8 | RSCD06D3 | OptoDevice:Finder_34.81 | U23, U24, U25, U26, U27, U28, U29, U30 |
| 8 | ~ | Package_TO_SOT_SMD:SOT-223 | Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 |
| 6 | 0.1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C23, C25, C52, C54, C62, C64 |
| 6 | 16k | Resistor_SMD:R_1206_3216Metric | R5, R9, R38, R44, R133, R137 |
| 4 | 0.27u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10, C20, C43, C58 |
| 4 | 120 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7, R15, R42, R135 |
| 4 | 49.9 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10, R18, R45, R138 |
| 4 | OPA333xxDBV | Package_TO_SOT_SMD:SOT-23-5 | U2, U6, U32, U33 |
| 3 | MountingHole_Pad | MountingHole:MountingHole_4.3mm_M4_Pad_Via | H1, H2, H4 |
| 3 | S1M | Diode_SMD:D_SMA_Handsoldering | D7, D16, D83 |
| 3 | TO-3216BC-MYF | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D6, D10, D81 |
| 3 | ~ | Connector_Molex:Molex_Mini-Fit_Jr_5566-04A_2x02_P4.20mm_Vertical | J2, J6, J34 |
| 3 | ~ | Package_SO:SOIC-8_7.5x5.85mm_P1.27mm | D2, D15, D82 |
| 2 | 12p | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C26, C30 |
| 2 | 1n | Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm | C65, C72 |
| 2 | 330u | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C67, C70 |
| 2 | 59 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R37, R40 |
| 2 | 750 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R39, R52 |
| 2 | LOGO | Logo_My:High_Voltage | G***, G*** |
| 2 | TLV1117LV33DCYR | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U4, U31 |
| 2 | TestPoint | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP1, TP2 |
| 1 | 0.1u | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C48 |
| 1 | 0451002.MRL | Fuse_my:SMD_2410 | F1 |
| 1 | 1.1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R57 |
| 1 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R55 |
| 1 | 100u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C59 |
| 1 | 10n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C49 |
| 1 | 1u | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C39 |
| 1 | 2.2n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C14 |
| 1 | 2.4k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R56 |
| 1 | 240 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R23 |
| 1 | 4.7u | Inductor_SMD:L_1812_4532Metric_Pad1.30x3.40mm_HandSolder | L2 |
| 1 | 4.7u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C31 |
| 1 | 47n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C13 |
| 1 | 665 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R14 |
| 1 | BZX84C5V1 | Package_TO_SOT_SMD:SOT-23_Handsoldering | D23 |
| 1 | MountingHole | MountingHole:MountingHole_4.3mm_M4 | H3 |
| 1 | TD301MCANFD | MORNSUN:TD5(3)01MCANFD | D12 |
| 1 | TLV431 | Package_TO_SOT_SMD:SOT-23 | U1 |
| 1 | URB2405ZP-10WR3 | MORNSUN:URB_ZP-10WR3 | D21 |
| 1 | ~ | Inductor_SMD:L_CommonModeChoke_Murata_DLW5BTMxxxSQ2x_5x5mm | L3 |
| 1 | ~ | Crystal:Crystal_SMD_SeikoEpson_FA238-4Pin_3.2x2.5mm | Y1 |
| 1 | ~ | Diode_SMD:D_SOD-123 | D20 |
| 1 | ~ | Diode_SMD:D_SOD-323_HandSoldering | D5 |
| 1 | ~ | MORNSUN:WRB_S-3WR2 | D18 |
| 1 | ~ | Package_TO_SOT_SMD:TO-252-2 | Q1 |
| 1 | ~ | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | ~ | Package_QFP:LQFP-100_14x14mm_P0.5mm | U5 |
| 1 | ~ | Inductor_SMD:L_CommonModeChoke_TDK_ACM2520-2P | L1 |

bogdan-kovalchuk/esp32-battery-charging-monitoring
An ESP32-based 12 V battery voltage monitor. The firmware measures battery voltage, while a Flask backend delivers notifications to a Signal group through signal-cli.

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trublion/turtable_control_board_hbridge
HW control board for turntable. Controls a DC motor with a H-bridge, reads an analog audio signal envelope, dual-PCB design.
It measures 319.7 × 137.4 mm and has 4 copper layers, 2 mm thick.
401 parts, built around the TD301MCANFD, URB2405ZP-10WR3, TLV1117LV33DCYR and TLV431ASN. 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 Alexandr-Filatov/Accumulation_Control_PCB repository on GitHub, at the commit this page was made from: the board is Accumulation_Control_PCB.kicad_pcb and its schematic Accumulation_Control_PCB.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 Alexandr-Filatov before reusing the design.