2 layers97 × 59.3 mm
2 layers67.6 × 14 mm
Double oh
heyspacebuck/double-oh37A WiFi-enabled power supply in a AA battery form factor, designed for sex toys
- Size
- 67.6 × 14 mm
- Copper layers
- 2
- Thickness
- 0.6 mm
- Parts
- 54
- Nets
- 34
- Pads
- 202
- Tracks, vias
- 430, 48
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 20 Jul 2020
- Updated
- 27 Dec 2022
Overview
Double oh is an open-source printed circuit board by heyspacebuck, from the heyspacebuck/double-oh repository on GitHub. It is a 2-layer board of 67.6 × 14 mm with 54 parts on 34 nets, routed with 430 tracks and 48 vias.
It is built around the CP2104EK, ESP32-PICO-D4 and TPS62400DRC. Its parts include 14 resistors, 13 connectors, 8 capacitors, 5 ICs and 3 diodes. It belongs with the power and radio and wireless boards and the ESP32 and RISC-V boards of this library.
Main components
3CP2104EK
-- USB Conversion Modules ROHSSilicon LabsUSB Conversion Modules
ESP32-PICO-D4
QFN-48-EP(7x7)-40℃~+85℃ -97dBm 150Mbps 2.412GHz~2.484GHz 2.4GHz 2.7V~3.6V 20dBm Bluetooth、WiFi SPI、I2C transceiver QFN-48-EP(7x7) RF Transceiver ICs ROHSEspressif SystemsRF Transceiver ICsTPS62400DRC
UncategorisedTexas Instruments
Parts
54| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 68kΩ | Resistor_SMD:R_0402_1005Metric | R1, R3, R6, R7, R13, R14 |
| 4 | Conn_01x01 | double-oh:main_board_solder_mount | J2, J3, J4, J12 |
| 4 | Conn_01x01 | double-oh:cap_board_solder_mount | J5, J6, J7, J13 |
| 3 | 10μF | Capacitor_SMD:C_0402_1005Metric | C4, C5, C6 |
| 3 | 4.7μF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C3 |
| 2 | 2.2μH | double-oh:L_0806_2016Metric | L2, L3 |
| 2 | 470kΩ | Resistor_SMD:R_0402_1005Metric | R5, R9 |
| 2 | Conn_01x01 | double-oh:lipo_contact | J9, J10 |
| 2 | Conn_01x01 | double-oh:cap_contact | J8, J11 |
| 2 | Q_PMOS_GSD | Package_TO_SOT_SMD:SOT-323_SC-70 | Q2, Q3 |
| 1 | 1.5pF | Capacitor_SMD:C_0402_1005Metric | C8 |
| 1 | 120kΩ | Resistor_SMD:R_0402_1005Metric | R10 |
| 1 | 1kΩ | Resistor_SMD:R_0402_1005Metric | R8 |
| 1 | 2kΩ | Resistor_SMD:R_0402_1005Metric | R4 |
| 1 | 3.9nH | Inductor_SMD:L_0603_1608Metric | L1 |
| 1 | 300kΩ | Resistor_SMD:R_0402_1005Metric | R12 |
| 1 | 330kΩ | Resistor_SMD:R_0402_1005Metric | R11 |
| 1 | 33pF | Capacitor_SMD:C_0402_1005Metric | C7 |
| 1 | 3kΩ | Resistor_SMD:R_0402_1005Metric | R2 |
| 1 | Antenna_Chip | double-oh:AMCA31 | AE1 |
| 1 | BD48KxxG | Package_TO_SOT_SMD:SOT-23 | U5 |
| 1 | CP2104 | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U2 |
| 1 | D_ALT | Diode_SMD:D_0402_1005Metric | D2 |
| 1 | D_Schottky | Diode_SMD:D_0402_1005Metric | D3 |
| 1 | ESP32-PICO-D4 | double-oh:QFN-48-1EP_7x7mm_P0.5mm_EP3.6x3.6mm | U4 |
| 1 | Jumper_NO_Small | Resistor_SMD:R_0201_0603Metric | JP1 |
| 1 | LED_Small_ALT | LED_SMD:LED_0402_1005Metric | D1 |
| 1 | LOGO | double-oh:OSHW_mark | G*** |
| 1 | MCP73831-2-OT | Package_TO_SOT_SMD:SOT-23-5 | U1 |
| 1 | Q_DUAL_NPN_NPN_E1B1C2E2B2C1 | Package_TO_SOT_SMD:SOT-363_SC-70-6 | Q1 |
| 1 | TPS62400 | Package_SON:VSON-10-1EP_3x3mm_P0.5mm_EP1.65x2.4mm | U3 |
| 1 | USB_B_Micro | double-oh:microusb_PCB_socket | J1 |
The 52 most common of 54 parts.
Questions
How big is the Double oh PCB?
It measures 67.6 × 14 mm and has 2 copper layers, 0.6 mm thick.
What parts does the Double oh use?
54 parts, built around the CP2104EK, ESP32-PICO-D4 and TPS62400DRC. 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.
Where can I download the Double oh KiCad files?
From the heyspacebuck/double-oh repository on GitHub, at the commit this page was made from: the board is hardware/double-oh.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Double oh design in my own project?
Its repository states no licence, so its author keeps all rights: ask heyspacebuck before reusing the design.
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