
1wire-4switch
InfernoEmbedded/onewire-softdevice
Software, Firmware & Documentation is licensed under GPLv3

KiCad files for the circuit board that controls doors.
Hive access pcb is an open-source printed circuit board by Hive13, from the Hive13/hive13-access-pcb repository on GitHub, published under the BSD-3-Clause licence. It is a 2-layer board of 82.6 × 95.3 mm with 47 parts on 40 nets, routed with 432 tracks and 3 vias.
It is built around the DS18B20, LM2576S-5.0 and DS2408S. Its parts include 13 resistors, 9 connectors, 6 capacitors, 6 transistors and 4 ICs.
KiCad files for the circuit board that controls doors.
This board is designed so that it can be sent to a fab house and done dual-layer, or milled with a CNC, single-sided, and done in the "jumper links" style. This results in several constraints:
| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 10kΩ | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R4, R5, R7, R10, R11, R12, R13 |
| 4 | 2N7000 | TO_SOT_Packages_THT:TO-92_Molded_Narrow | Q2, Q3, Q5, Q6 |
| 2 | 1000MFD | Capacitors_THT:CP_Radial_D13.0mm_P5.00mm | C3, C5 |
| 2 | 1MFD | Capacitors_THT:CP_Radial_D5.0mm_P2.00mm | C1, C4 |
| 2 | 1N4002 | Diodes_THT:D_DO-41_SOD81_P7.62mm_Horizontal | D1, D3 |
| 1 | 1.2kΩ | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6 |
| 1 | 100MFD | Capacitors_THT:CP_Radial_D12.5mm_P5.00mm | C2 |
| 1 | 1MFD | Capacitors_THT:CP_Radial_D5.0mm_P2.50mm | C6 |
| 1 | 1kΩ | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
| 1 | 2N2222 | TO_SOT_Packages_THT:TO-92_Molded_Narrow | Q1 |
| 1 | 2N3906 | TO_SOT_Packages_THT:TO-92_Molded_Narrow | Q4 |
| 1 | 4.7kΩ | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9 |
| 1 | DS18B20 | TO_SOT_Packages_THT:TO-92_Molded_Narrow | U2 |
| 1 | DS2408 | Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm | U3 |
| 1 | D_Schottky | Diodes_THT:D_DO-201AD_P12.70mm_Horizontal | D2 |
| 1 | Door Closed Sensor | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_2pol | P3 |
| 1 | Door Latch Solenoid Out | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_2pol | P1 |
| 1 | Door Reader | RJ-45:RJ45_SHIELD | J1 |
| 1 | Exit Sensor | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_4pol | J6 |
| 1 | External Reset | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_2pol | P2 |
| 1 | L | Inductor:L_Radial_D21.0mm_P7.5mm | L1 |
| 1 | LM2576S-5 | TO_SOT_Packages_SMD:TO-263-5_TabPin3 | U1 |
| 1 | Power In | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_2pol | J5 |
| 1 | Relay Mode Select | Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm | J3 |
| 1 | Relay Voltage Select | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | J4 |
| 1 | SANYOU_SRD_Form_C | Relays_THT:Relay_SPDT_SANYOU_SRD_Series_Form_C | K1 |
| 1 | Snub Enable | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J2 |
| 1 | WeMos_mini | wemos_d1_mini:D1_mini_board | U4 |
The 43 most common of 47 parts.

InfernoEmbedded/onewire-softdevice
Software, Firmware & Documentation is licensed under GPLv3

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SurajSonawane2415/MazeBlaze
Developed a Line following and Maze Solving bot based on PID controller which can find the shortest path in a given maze.
It measures 82.6 × 95.3 mm and has 2 copper layers, 1.6 mm thick.
47 parts, built around the DS18B20, LM2576S-5.0 and DS2408S. 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 Hive13/hive13-access-pcb repository on GitHub, at the commit this page was made from: the board is hive_access_pcb.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the BSD-3-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).