ras-rap/SNABSwitch N A Bottle (SNAB) is a hardware project to take full control of your switch in one portable and easy to use device
Rcm is an open-source printed circuit board by ras-rap, from the ras-rap/SNAB repository on GitHub, published under the AGPL-3.0 licence. It is a 2-layer board of 66.5 × 71.5 mm with 31 parts on 63 nets, routed with 351 tracks and 53 vias.
It is built around the ESP32-S3-DEVKITC-1-N8R2. Its parts include 6 connectors, 4 capacitors, 4 ICs, 3 resistors and 3 switches. It belongs with the ESP32 boards of this library.
SNAB is a protable device that allows you to take full control of your switch.
My switch dies quite often when I travel, and I dont always have some kind of computer avalible, and I use an iPhone so I cant use my phone. Also I wanted to learn how the Fusee Gelee exploit works and how to design hardware projects.
There's nothing stopping you from doing that, but sometimes it's more fun to do it yourself, plus you learn something along the way.
The full bill of materials is avalible at BOM.csv but make sure to read this first
There are a couple of parts from AliExpress that there are specific versions needed, or atleast expected
| Name | Link | Model |
|---|---|---|
| Battery Charger | AliExpress | MH-CD42 Upgraded |
| Battery | AliExpress | 1 pc |
| Screen | AliExpress | 1.8 inch TFT |
| ESP 32 Dev Board | AliExpress | ESP32-S3-N8R2 |
| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | , , | ||
| 3 | 100nF | Capacitor_THT:C_Disc_D10.0mm_W2.5mm_P5.00mm | C1, C2, C4 |
| 3 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H7.3mm | SW1, SW2, SW3 |
| 2 | 4.7k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Vertical | R1, R2 |
| 1 | 10nF | Capacitor_THT:C_Disc_D10.0mm_W2.5mm_P5.00mm | C3 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Vertical | R3 |
| 1 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | AP2 | AP2112K-3.3TRG1:SOT95P285X140-5N | U1 |
| 1 | Battery | Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J2 |
| 1 | Battery charger | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical | J1 |
| 1 | ESP32-S3-DEVKITC-1-N8R2 | ESP32-S3-DEVKITC-1-N8R2:XCVR_ESP32-S3-DEVKITC-1-N8R2 | U4 |
| 1 | INA | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | LOGO | Downloads:cat | G*** |
| 1 | Port A | Connector_USB:USB_C_Receptacle_GCT_USB4085 | J3 |
| 1 | Port B | Connector_USB:USB_C_Receptacle_GCT_USB4085 | J4 |
| 1 | SD card | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J5 |
| 1 | Screen | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J6 |
| 1 | TPS | TPS22918TDBVRQ1:SOT95P280X145-6N | U2 |
The 25 most common of 31 parts.
It measures 66.5 × 71.5 mm and has 2 copper layers, 1.6 mm thick.
31 parts, built around the ESP32-S3-DEVKITC-1-N8R2. 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 ras-rap/SNAB repository on GitHub, at the commit this page was made from: the board is PCB/Rcm.kicad_pcb and its schematic PCB/Rcm.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the AGPL-3.0 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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