
BRNG
valerionew/Banana-Random-Number-Generator
Random number generator based on radioactivity from bananas

KiCad Presentation + Inductor Tester example project for Dunedin Makerspace April 2016
Inductor tester is an open-source printed circuit board by ianrrees, from the ianrrees/KiCad_talk repository on GitHub. It is a 2-layer board of 50 × 50 mm with 46 parts on 19 nets, routed with 264 tracks and 11 vias.
It is built around the LM555N, BC847 and PSMN4R3-30BL. Its parts include 16 capacitors, 15 resistors, 5 connectors, 3 diodes and 2 transistors.
Made as a reveal.js presentation - viewable at http://ianrrees.github.io/KiCad_talk/
Example project "induction tester" made with KiCad 4.0.2.
The inductor tester design hasn't yet been completed, manufactured, nor tested. It is not suitable for any purpose, not even as a paper weight or illustration. It probably doesn't work. No warranty is expressed or implied.
All contents including example project are free to use under the MIT license.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 10uF | Capacitors_SMD:C_0805_HandSoldering | C106, C107, C108, C109, C110, C111, C112, C113, C114, C115 |
| 4 | 0.47 | Resistors_SMD:R_1206_HandSoldering | R107, R108, R110, R111 |
| 3 | 10k | Resistors_SMD:R_0805_HandSoldering | R102, R103, R115 |
| 2 | 0.01 | Resistors_SMD:R_1206_HandSoldering | R106, R112 |
| 2 | 100nF | Capacitors_SMD:C_0805_HandSoldering | C101, C116 |
| 1 | 0.47 | Resistors_SMD:R_0805_HandSoldering | R113 |
| 1 | 0V_In | Measurement_Points:Measurement_Point_Square-SMD-Pad_Big | P105 |
| 1 | 1.5nF | Capacitors_SMD:C_0805_HandSoldering | C117 |
| 1 | 100 | Resistors_SMD:R_0805_HandSoldering | R105 |
| 1 | 10V_In | Measurement_Points:Measurement_Point_Square-SMD-Pad_Big | P104 |
| 1 | 10mF | Capacitors_ThroughHole:C_Radial_D18_L36_P7.5 | C103 |
| 1 | 10nF | Capacitors_SMD:C_0805_HandSoldering | C105 |
| 1 | 1N4148 | Diodes_SMD:MiniMELF_Standard | D103 |
| 1 | 2.2mF | Capacitors_ThroughHole:C_Radial_D10_L20_P5 | C104 |
| 1 | 47k | Resistors_SMD:R_0805_HandSoldering | R104 |
| 1 | 50 | Resistors_SMD:R_0805_HandSoldering | R114 |
| 1 | 820 | Resistors_SMD:R_0805_HandSoldering | R101 |
| 1 | BC847 | TO_SOT_Packages_SMD:SOT-23_Handsoldering | Q101 |
| 1 | D_Schottky | Diodes_SMD:SOD-123 | D102 |
| 1 | Ferrite | Resistors_SMD:R_0805_HandSoldering | R109 |
| 1 | I Sense | slotted_bnc:bnc-ci | P101 |
| 1 | Inductor Under Test | Connect:AK300-2 | P102 |
| 1 | LED | LEDs:LED_0805 | D101 |
| 1 | LM555N | Housings_SOIC:SOIJ-8_5.3x5.3mm_Pitch1.27mm | U102 |
| 1 | PSMN4R3-30BL | TO_SOT_Packages_SMD:TO-263-3Lead | Q102 |
| 1 | SW_PUSH | momentary_button:momentary_tactile_6x6x4 | SW101 |
| 1 | V Sense | Connect:bnc-ci | P103 |
The 43 most common of 46 parts.

valerionew/Banana-Random-Number-Generator
Random number generator based on radioactivity from bananas



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It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.
46 parts, built around the LM555N, BC847 and PSMN4R3-30BL. 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 ianrrees/KiCad_talk repository on GitHub, at the commit this page was made from: the board is inductor tester/inductor tester.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask ianrrees before reusing the design.