tool_access_controllers
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Table of Contents
Tool Access Controllers
Overview
PCB
https://github.com/timhawes/stony_skunk/
Revision 1 had an error in the layout and was not used.
Revision 2 uses an ESP-12E module and has been deployed on many of the lab's tools.
Revision 3 uses a Wemos D1 Mini module for easier builds and debugging.
| Ref | Item | Quantity | Selection |
|---|---|---|---|
| U1 | Wemos D1 Mini | 1 | |
| U2 | TE OJ/OJE series 5V relay | 1 | Farnell 1891661 |
| SP1 | 12.7mm through-hole buzzer | 1 | CPC LS03778 or LS00654 |
| D1 | Flyback diode | 1 | Farnell 1625280 (US1D) |
| D2 | ESD protection diode | 1 | Farnell 2317508 (ESD5Z3.3T1G) |
| Q1, Q2 | N-channel MOSFET SOT-23 | 2 | Farnell 2069541 |
| C3 | 10uF capacitor | 1 | |
| R1, R6, R7, R13 | 10K 0603 | 3 | |
| R3, R4 | 200R 0603 | 2 | Optional, values depend on current clamp |
| R5 | 1K 0603 | 1 | |
| R8, R9 | 2K2 0603 | 2 | |
| P1 | 8-way 3.5mm screw terminal | 1 | |
| P2 | 4-way 0.1“ header | 1 | |
| P3 | 2-way 5mm pluggable header | 1 | CPC CN18918 + CPC CN18994 |
| P4 | 5-way 0.1” header | 1 | |
| P7 | 2-way 0.1“ header | 1 |
Full System
Enclosure and Wiring
Software
tool_access_controllers.1550922150.txt.gz · Last modified: 2019-02-23 11:42 by tim