Initial commit

Author: bdring

.gitattributes

@@ -0,0 +1,2 @@
+# Auto detect text files and perform LF normalization
+* text=auto

Docs/images/20181128_160700.jpg

@@ -0,0 +1,26 @@
+### Mechanical Parts List
+
+| Description                                | Qty  | Source                                                       |
+| ------------------------------------------ | ---- | ------------------------------------------------------------ |
+| Carriage Block                             | 1    | 3D Printed                                                   |
+| Cover (optional)                           | 1    | 3D Printed                                                   |
+| Left Foot                                  | 1    | 3D Printed                                                   |
+| Right Foot                                 | 1    | 3D Printed                                                   |
+| Head Block                                 | 1    | 3D Printed                                                   |
+| Tail Block                                 | 1    | 3D Printed                                                   |
+| Pen Mounting Block                         | 1    | 3D Printed                                                   |
+| Linear Bearing Shaft 6mm Dia. x 200 lg.    | 4    | [Amazon](<https://www.amazon.com/ReliaBot-inches-Hardened-Chrome-Plated/dp/B07R16DRVY>) |
+| Linear Bearing LM6LUU (wide Style)         | 4    | [Amazon](<https://www.amazon.com/uxcell-LM6LUU-6mmx12mmx35mm-Bushing-Bearing/dp/B01N3MO4FA>) |
+| Pulley GT2 16Tooth 6mm 5mm Shaft           | 2    | [Amazon](<https://www.amazon.com/WINGONEER-Aluminum-Timing-Pulley-Printer/dp/B077YHJHVH>) |
+| Smooth Idler Pulley 3mm I.D. 16Tooth Dia   | 6    | [Amazon](<https://www.amazon.com/BALITENSEN-Smooth-Pulley-Toothless-Printer/dp/B077GXV7BJ>) |
+| Stepper Motor NEMA14 x 20mm Tall 5mm Shaft | 2    | [StepperOnLine](<https://www.omc-stepperonline.com/nema-14-stepper-motor/nema-14-bipolar-18deg-5ncm-708ozin-04a-10v-35x35x20mm-4-wires-14hs08-0404s.html>) |
+| GT2 6mm Wide Belt                          | 1m   | [Amazon](<https://www.amazon.com/Mercurry-Meters-timing-Rostock-GT2-6mm/dp/B071K8HYB4>) |
+| Controller PCB                             | 1    |                                                              |
+| Button Screw M3 x 50mm                     | 1    |                                                              |
+| Hex Nut M3 Locking                         | 1    |                                                              |
+| Socket Head Screw M5 x 14                  | 1    |                                                              |
+| Socket Head Screw M3 x 16                  | 6    |                                                              |
+| Button Head Screw M3 x 8mm                 | 6    |                                                              |
+| Rubber Foot 1/2" dia x 1/8" Thk            | 4    | [Amazon](<https://www.amazon.com/Self-Stick-Noise-Dampening-Bumpers-12-pieces/dp/B001WAK6DS>) |
+| Bearing 3mm x 7mm x 3mm (683ZZ)            | 2    | [Amazon](<https://www.amazon.com/gp/product/B00ZHSR2QU>)     |
+

Docs/images/20181128_160716.jpg

@@ -0,0 +1,21 @@
+## MidTBot ESP32 PCB BOM
+
+**Note:** These are the sources I buy from. Many of the parts are available from other sources. Many of the parts are generic and can substituted by other brands. 
+
+| Desg  | Desc                                            | Qty  | Source                                                       |
+| ----- | ----------------------------------------------- | ---- | ------------------------------------------------------------ |
+| C1,C2 | Capacitor, Electrolytic 47uF 35V                | 2    | [Digikey](https://www.digikey.com/short/p99tbh)              |
+| C3,C4 | Capacitor MLCC 10uF 50V                         | 2    | [LCSC](https://lcsc.com/product-detail/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT_SAMSUNG_CL31A106KBHNNNE_10uF-106-10-50V_C13585.html) |
+| J1    | DC Barrel Jack                                  | 1    | [LCSC](https://lcsc.com/product-detail/Power-Connectors_Korean-Hroparts-Elec-DC-005C-20A_C84007.html) |
+| J2,J4 | Header Male 1x4                                 | 2    | [LCSC](https://lcsc.com/product-detail/Pin-Header-Female-Header_Nextronics-Engineering-Z-211-0411-0021-001_C152150.html) |
+| J3    | Micro SD Socket TF-01A                          | 1    | [LCSC](https://lcsc.com/product-detail/Connector-Card-Sockets_Korean-Hroparts-Elec-TF-01A_C91145.html) |
+| J5,J6 | Header Male 1x3                                 | 2    | [LCSC](https://lcsc.com/product-detail/Pin-Header-Female-Header_Boom-Precision-Elec-Header-2-54mm-1-3P_C49257.html) |
+| PS1   | 5VDC 1A Power Supply                            | 1    | [Digikey](<https://www.digikey.com/short/p993jw>)            |
+| S1,S2 | Microswitch Switch                              | 2    | [Digikey](<https://www.digikey.com/short/p993q4>)            |
+| U1,U2 | Header, Feamle 1x8                              | 4    | [LCSC](https://lcsc.com/product-detail/Female-Header_2-54mm-1-8P-Straight-Female-header_C27438.html) |
+| U3    | Header Female 1x19 (FYI: trimming a 1x20 works) | 2    | [AliExpress](https://www.aliexpress.com/item/32760209508.html) |
+|       |                                                 |      |                                                              |
+|       | **Required Modules**                            |      |                                                              |
+|       | StepStick A4988                                 | 2    |                                                              |
+|       | ESP32 Dev Kit (0.9" Wide Type)                  | 1    |                                                              |
+

Docs/images/20181128_160737.jpg

@@ -0,0 +1,124 @@
+G04 DipTrace 3.3.0.0*
+G04 BoardOutline.gbr*
+%MOIN*%
+G04 #@! TF.FileFunction,Profile*
+G04 #@! TF.Part,Single*
+%ADD11C,0.005512*%
+%FSLAX26Y26*%
+G04*
+G70*
+G90*
+G75*
+G01*
+G04 BoardOutline*
+%LPD*%
+X3740472Y3464882D2*
+D11*
+X551496D1*
+G03X394016Y3307402I13J-157493D01*
+G01*
+Y551496D1*
+G03X551496Y394016I157493J13D01*
+G01*
+X3740472D1*
+G03X3897953Y551496I-13J157493D01*
+G01*
+Y3307402D1*
+G03X3740472Y3464882I-157493J-13D01*
+G01*
+D3*
+X699134Y1417638D2*
+G02X699134Y1417638I442913J0D01*
+G01*
+X2707008Y1407795D2*
+X2708087Y1439378D1*
+X2711318Y1470807D1*
+X2716687Y1501929D1*
+X2724166Y1532592D1*
+X2733719Y1562647D1*
+X2745300Y1591948D1*
+X2758852Y1620351D1*
+X2774309Y1647719D1*
+X2791597Y1673919D1*
+X2810630Y1698821D1*
+X2831316Y1722306D1*
+X2853554Y1744258D1*
+X2877237Y1764572D1*
+X2902247Y1783147D1*
+X2928465Y1799893D1*
+X2955761Y1814730D1*
+X2984003Y1827583D1*
+X3013053Y1838392D1*
+X3042771Y1847102D1*
+X3073010Y1853673D1*
+X3103624Y1858071D1*
+X3134464Y1860275D1*
+X3165379D1*
+X3196218Y1858071D1*
+X3226832Y1853673D1*
+X3257072Y1847102D1*
+X3286789Y1838392D1*
+X3315840Y1827583D1*
+X3344082Y1814730D1*
+X3371378Y1799893D1*
+X3397595Y1783147D1*
+X3422606Y1764572D1*
+X3446288Y1744258D1*
+X3468526Y1722306D1*
+X3489213Y1698821D1*
+X3508246Y1673919D1*
+X3525533Y1647719D1*
+X3540991Y1620351D1*
+X3554543Y1591948D1*
+X3566124Y1562647D1*
+X3575677Y1532592D1*
+X3583156Y1501929D1*
+X3588524Y1470807D1*
+X3591756Y1439378D1*
+X3592835Y1407795D1*
+X3591756Y1376213D1*
+X3588524Y1344784D1*
+X3583156Y1313662D1*
+X3575677Y1282999D1*
+X3566124Y1252944D1*
+X3554543Y1223643D1*
+X3540991Y1195239D1*
+X3525533Y1167871D1*
+X3508246Y1141672D1*
+X3489213Y1116769D1*
+X3468526Y1093285D1*
+X3446288Y1071332D1*
+X3422606Y1051019D1*
+X3397595Y1032444D1*
+X3371378Y1015697D1*
+X3344082Y1000861D1*
+X3315840Y988007D1*
+X3286789Y977199D1*
+X3257072Y968488D1*
+X3226832Y961918D1*
+X3196218Y957520D1*
+X3165379Y955315D1*
+X3134464D1*
+X3103624Y957520D1*
+X3073010Y961918D1*
+X3042771Y968488D1*
+X3013053Y977199D1*
+X2984003Y988007D1*
+X2955761Y1000861D1*
+X2928465Y1015697D1*
+X2902247Y1032444D1*
+X2877237Y1051019D1*
+X2853554Y1071332D1*
+X2831316Y1093285D1*
+X2810630Y1116769D1*
+X2791597Y1141672D1*
+X2774309Y1167871D1*
+X2758852Y1195239D1*
+X2745300Y1223643D1*
+X2733719Y1252944D1*
+X2724166Y1282999D1*
+X2716687Y1313662D1*
+X2711318Y1344784D1*
+X2708087Y1376213D1*
+X2707008Y1407795D1*
+M02*