4 layers48 × 35.1 mm
Micro esp32-s3
atomic14/esp32-tv-hardware
This is Work In Progress - I'm still working on this.
81 parts29
2 layers38 × 151.9 mm
Ruller battery
rapha-tech/ESP-32-rulerPCB ruler featuring an ESP-32 module, push-buttons and an OLED screen
- Size
- 38 × 151.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 56
- Nets
- 70
- Pads
- 264
- Tracks, vias
- 735, 87
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 11 Apr 2024
- Updated
- 21 Nov 2024
Overview
Ruller battery is an open-source printed circuit board by rapha-tech, from the rapha-tech/ESP-32-ruler repository on GitHub. It is a 2-layer board of 38 × 151.9 mm with 56 parts on 70 nets, routed with 735 tracks and 87 vias.
It is built around the CH340C, ESP32-WROOM-32 and TP4057, with the LESD5D5.0CT1G, 1N4148W and BAT760-7 among its other parts. Its parts include 13 capacitors, 13 resistors, 12 switches, 8 diodes and 4 ICs. It belongs with the power boards and the ESP32 boards of this library.
Main components
7
CH340C
SOP-16-20℃~+70℃ 2Mbps 3.3V、5V 50uA 7mA Transceiver USB 2.0 SOP-16 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
TP4057
SOT-23-6-40℃~+85℃ 1 25uA 4.24V 4V~6.5V Charging IC Lithium Battery Not supported SOT-23-6 Battery Management ROHSTECH PUBLICBattery Management
LESD5D5.0CT1G
SOD-523-55℃~+150℃ 100W 12pF 16V 1uA 5V 7A 7V Bidirectional ESD IEC 61000-4-2 SOD-523 ESD and Surge Protection (TVS/ESD) ROHSGOODWORKUncategorised
1N4148W
SOD-123150mA 1A 1V@50mA 1uA@75V 400mW 4ns 75V Independent SOD-123 Switching Diodes ROHSSTMicroelectronicsSwitching Diodes
BAT760-7
SOD-323Schottky DiodesDOWO
NTA4151PT1G-HXY
SOT-523-55℃~+150℃ 1 P-Channel 115pF 150mW 15pF 20V 560mΩ@4.5V 660mA 700mV 9pF P-Channel Standalone SOT-523 MOSFETs ROHSHXY MOSFETMOSFETs
README
README.mdESP-32-ruler
PCB ruler featuring an ESP-32 module, push-buttons and an OLED screen
Tetris on the Ruler
Parts
56| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | SW_Push | Button_Switch_SMD:SW_SPST_TL3342 | SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12 |
| 6 | 10K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R4, R5, R8, R10 |
| 4 | 1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C7, C8, C9 |
| 3 | 100nF/50V | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C5, C16 |
| 3 | 4K7 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R11, R12 |
| 2 | LESD5D5.0CT1G | Diode_SMD:D_SOD-523 | D2, D4 |
| 2 | NPN_S9013 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 1 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 1 | 100nF/50V | Capacitor_SMD:C_0603_1608Metric | C15 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C6 |
| 1 | 1K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7 |
| 1 | 1N4148W | Diode_SMD:D_SOD-123 | D5 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R9 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 2.2uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11 |
| 1 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 22uF/10V | Capacitor_SMD:C_0805_2012Metric | C14 |
| 1 | 390K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6 |
| 1 | ALPS SSSS811101 | custom footprint:SW7_6.7X4.1MM_SM SSSS811101 | SW3 |
| 1 | BAT760-7 | Diode_SMD:D_SOD-323_HandSoldering | D6 |
| 1 | CH340C | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-WROOM-32 | U3 |
| 1 | GLED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D3 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D6 |
| 1 | LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D7 |
| 1 | MICRO_USB | custom footprint:MICRO USB | J1 |
| 1 | NCP167BMX330TBG | Package_DFN_QFN:OnSemi_XDFN4-1EP_1.0x1.0mm_EP0.52x0.52mm | U4 |
| 1 | NTA4151PT1G | Package_TO_SOT_SMD:SOT-416 | Q3 |
| 1 | OLED-128O064D | Display:OLED-128O064D | DS1 |
| 1 | RLED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1 |
| 1 | SW_Push_boot | Button_Switch_SMD:SW_SPST_TL3342 | SW1 |
| 1 | SW_Push_reset | Button_Switch_SMD:SW_SPST_TL3342 | SW2 |
| 1 | TP4057 | Package_TO_SOT_SMD:SOT-23-6_Handsoldering | U2 |
| 1 | battery_3.7v | custom footprint:battery 3.7v | B1 |
Questions
How big is the Ruller battery PCB?
It measures 38 × 151.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Ruller battery use?
56 parts, built around the CH340C, ESP32-WROOM-32, TP4057 and LESD5D5.0CT1G. 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 Ruller battery KiCad files?
From the rapha-tech/ESP-32-ruler repository on GitHub, at the commit this page was made from: the board is Kicad files/ruller_battery/ruller_battery.kicad_pcb and its schematic Kicad files/ruller_battery/ruller_battery.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ruller battery design in my own project?
Its repository states no licence, so its author keeps all rights: ask rapha-tech before reusing the design.
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