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google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards

PCB For Rat Trap Sensor
RatTrapSensorPCB is an open-source printed circuit board by dqmcdonald, from the dqmcdonald/RatTrapSensorPCB repository on GitHub, published under the MIT licence. It is a 2-layer board of 34.1 × 62.8 mm with 15 parts on 30 nets, routed with 168 tracks and 6 vias.
Its parts include 6 connectors, 2 ICs, 2 switches, 1 resistor and 1 diode. It belongs with the sensors and measurement boards of this library.
PCB for "LoRat" Rat Trap sensor. LoRa enabled rat trap sensor.
See http://qproj.blogspot.com/2018/07/remotely-monitored-rat-traps-part-1.html
for details.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | C | Capacitors_SMD:C_0805_HandSoldering | 1uF, 1uF |
| 2 | CONN_2 | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | P5, P6 |
| 2 | CONN_4 | Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm | P2, P3 |
| 1 | 220 | Resistors_SMD:R_0805_HandSoldering | R1 |
| 1 | ARDUPROMINI | DQM_kicad_new:ArduProMini | uP1 |
| 1 | CONN_2 | DQM_kicad_new:U.Fl_SMD | P4 |
| 1 | CONN_3 | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | K1 |
| 1 | CONN_5 | Pin_Headers:Pin_Header_Straight_1x05_Pitch2.54mm | P1 |
| 1 | LED | Resistors_SMD:R_0805_HandSoldering | D1 |
| 1 | LoRaSx1276 | DQM_kicad_new:LoRaSx1276 | U1 |
| 1 | MCP1703A | TO_SOT_Packages_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | SPST | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | SW1 |
It measures 34.1 × 62.8 mm and has 2 copper layers, 1.6 mm thick.
15 parts. 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 dqmcdonald/RatTrapSensorPCB repository on GitHub, at the commit this page was made from: the board is RatTrapSensorPCB.kicad_pcb and its schematic RatTrapSensorPCB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT 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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