Open Book Abridged Edition
Open Book Abridged Edition is an open source ESP32 PCB design by joeycastillo: a 2-layer, 85 × 115 mm board with 65 components (39 distinct parts). It is built around the SC0918, OSO-BOOK-C2-01, MEM2075-00-140-01-A, GD25Q16CTIGR and more. Filed under iot & wireless.
A note from the project creator: The Open Book was my first real electronics project; the earliest designs date to late 2019. I have learned a lot since those early days, and as such, here three years later, I am hitting reset. At this time the repository contains a version of th
A note from the project creator: The Open Book was my first real electronics project; the earliest designs date to late 2019. I have learned a lot since those early days, and as such, here three years later, I am hitting reset. At this time the repository contains a version of the Open Book designed around the Raspberry Pi Pico. It's optimized for low part count and easy hand assembly, but it runs on AAA batteries and may not be as svelte as some folks might prefer. At a later date, I hope to design a followup with built-in LiPo charging and a slimmer profile, but at this time, this version…
Built around
Parts list
65 components, 39 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SC0918 XC6220B331MR-G | SOT-23-5 | U1 |
| 1 | OSO-BOOK-C2-01 ESP32-S3-WROOM-1 | ESP32-S3-WROOM-1 | U2 |
| 1 | MEM2075-00-140-01-A MEM2075 | GCT_MEM2075-00-140-01-A | U3 |
| 1 | GD25Q16CTIGR MCP73831-2-OT | SOT-23-5 | U4 |
| 1 | R1218 | SOT-23-6 | U5 |
| 1 | DMG3415U-7 DMG3415 | SOT-23 | Q1 |
| 1 | DMG3415U-7 Q_PMOS_GSD | SOT-23 | Q2 |
| 1 | Q_NMOS_GSD | SOT-23 | Q3 |
| 1 | 32.768 kHz | Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | 455-1790-1 USB_C_Receptacle_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | 455-1790-1 Conn_01x02_MountingPin | Molex_PicoBlade_53261-0271_1x02-1MP_P1.25mm_Horizontal | J2 |
| 1 | 455-1750-1 Conn_01x24 | TE_2-1734839-4_1x24-1MP_P0.5mm_Horizontal | J3 |
| 1 | Conn_01x06 | TE_0-1734839-6_1x06-1MP_P0.5mm_Horizontal | J4 |
| 2 | JST-PH3 | JST_SH_SM03B-SRSS-TB_1x03-1MP_P1.00mm_Horizontal | J5, J7 |
| 1 | JST-PH4 | JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J6 |
| 1 | Conn_ARM_JTAG_SWD_10 | PinHeader_2x05_P1.27mm_Vertical_SMD | J8 |
| 2 | 434351045816 SW_Push | Panasonic_EVQPUJ_EVQPUA | B1, B2 |
| 7 | TL1107AF180WQ SW_Push | TACT_PANA-EVQ-BUTTONPAD | B3, B4, B5, B6, B7, B8, B9 |
| 2 | Jumper_2_Open | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1, JP2 |
| 3 | MBR0530 | D_SOD-123 | D1, D2, D3 |
Show 19 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MBR120 | D_SOD-123 | D4 |
| 1 | 10µH | L_Taiyo-Yuden_MD-4040 | L1 |
| 1 | 22µH | L_1210_3225Metric | L2 |
| 2 | CL31B106KQHNFNE 10µF | C_1206_3216Metric | C1, C2 |
| 1 | CL21B105KAFNNNE 10µF | C_1206_3216Metric | C3 |
| 3 | 10µF | C_1206_3216Metric | C4, C5, C8 |
| 2 | TBD | C_0805_2012Metric | C6, C7 |
| 9 | 1µF | C_0805_2012Metric | C9, C12, C13, C14, C15, C16, C17, C18 +1 |
| 2 | 4.7µF | C_0805_2012Metric | C10, C11 |
| 2 | RC0805JR-071KL 5.1k | R_0805_2012Metric | R1, R2 |
| 1 | RMCF1206JT10K0 1k | R_0805_2012Metric | R3 |
| 1 | RMCF1206JT10K0 200k | R_0805_2012Metric | R4 |
| 1 | 10K | R_0805_2012Metric | R5 |
| 1 | 0.47 | R_0805_2012Metric | R6 |
| 1 | 1M | R_0805_2012Metric | R7 |
| 1 | 10 | R_0805_2012Metric | R8 |
| 2 | 1k | R_0805_2012Metric | R9, R10 |
| 1 | 100K | R_0805_2012Metric | R11 |
| 1 | R_Pack04_Split | R_Array_Concave_4x0603 | RN1 |
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