# Bare Tomato P.K.E. Meter ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** gomitas2104 - **Created:** 6/30/2025 - **Last Updated:** 6/30/2025 - **Visibility:** Public ## Key Components ### J1 — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### J2 — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### Q1 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - DC current gain: 1000@3V,3A - LCSC Part Number: C358524 - Part Type: Darlington Transistors - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Transistor Type: NPN - Collector-emitter voltage: 100V - Manufacturer Part Number: TIP122 - Manufacturer Name: BLUE ROCKET(蓝箭) - Power: 2W - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Collector Current: 5A - JLCPCB Part Class: Extended Part **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### U1 — [LM7809ACT](https://www.flux.ai/adrian95/lm7809act.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LM7809ACT - Part Type: Integrated Circuit - Datasheet URL: https://octopart.com/datasheet/lm7809act-onsemi-84329732 - Manufacturer Name: onsemi **Pins:** - GND [pin 2] - VI [pin 1] - VO [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/gomitas2104/bare-tomato-ppkpep-meter](https://www.flux.ai/gomitas2104/bare-tomato-ppkpep-meter).* --- *Generated from [https://www.flux.ai/gomitas2104/bare-tomato-ppkpep-meter](https://www.flux.ai/gomitas2104/bare-tomato-ppkpep-meter)*