2 layers69.9 × 26 mm
CapacitiveSensor
fflori4n/ESP_tankLevelSensor
Water reservoar level monitoring using capacitive sensor, ESP32 with numeric and web displays
9 partsGPL-2.0
2 layers115.6 × 85.1 mm
CapLevelSensorESP
fflori4n/ESP_tankLevelSensorWater reservoar level monitoring using capacitive sensor, ESP32 with numeric and web displays
- Size
- 115.6 × 85.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 50
- Nets
- 63
- Pads
- 216
- Tracks, vias
- 449, 54
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 9 Aug 2022
- Updated
- 10 Jun 2023
Overview
CapLevelSensorESP is an open-source printed circuit board by fflori4n, from the fflori4n/ESP_tankLevelSensor repository on GitHub, published under the GPL-2.0 licence. It is a 2-layer board of 115.6 × 85.1 mm with 50 parts on 63 nets, routed with 449 tracks and 54 vias.
It is built around the BC547. Its parts include 11 resistors, 7 capacitors, 6 connectors, 5 diodes and 2 ICs. It belongs with the sensors and measurement boards of this library.
Main components
1README
README.mdESP_tankLevelSensor
ESP32 measuring water level in a reservoar, using an external LM555 oscillator and a capacitive probe.
Measurements are displayed on MAX7219 driven 7seg. displays and the uController hosts it's on webserver that displays the tank status and stats. Board has a linear regulator to drop the 12V DC from the truck's battery to 5V for the ESP and the sensor, two relays that can switch 12V DC external loads ( meant for signal lights ), and can drive WS2812B LED strip to indicate level in the tank.
Parts
50| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP1, JP3, JP4, JP5 | |
| 4 | MountingHole:MountingHole_3mm_Pad_Via | , , , | |
| 4 | 10K | myComponents:resistor0.25,9mm | R8, R9, R10, R11 |
| 4 | R | myComponents:resistor0.25,9mm | R1, R2, R3, R4 |
| 3 | 100u16V | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C3, C4, C6 |
| 2 | TerminalBlock:TerminalBlock_bornier-4_P5.08mm | J2, J3 | |
| 2 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J4, J7 | |
| 2 | 100nF | myComponents:Capker_L4.6mm_W2.0mm_P2.50mm | C2, C5 |
| 2 | 1K | myComponents:resistor0.25,9mm | R5, R6 |
| 2 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D5, D6 |
| 2 | BC547 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2 |
| 2 | G5LE-1 | Relay_THT:Relay_SPDT_Omron-G5LE-1 | K1, K2 |
| 2 | LED | LED_THT:LED_D5.0mm_FlatTop | D2, D4 |
| 2 | MAX7219_8x7SEG | myComponents:7SEG_DISPX8_MAX7219 | U1, U3 |
| 1 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP2 | |
| 1 | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J6 | |
| 1 | myComponents:ESP32-WROOM-32U | ||
| 1 | TerminalBlock:TerminalBlock_bornier-6_P5.08mm | J1 | |
| 1 | 1000u16V | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm_P7.50mm | C7 |
| 1 | 10u25V | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C1 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
| 1 | 330 | myComponents:resistor0.25,9mm | R7 |
| 1 | FUSE_REL | myComponents:resistor0.25,9mm | F2 |
| 1 | FUSE_uC | myComponents:resistor0.25,9mm | F1 |
| 1 | LM7805_TO220 | myComponents:TO-220-3_Horizontal_TabDown | LM7805 |
The 48 most common of 50 parts.
Questions
How big is the CapLevelSensorESP PCB?
It measures 115.6 × 85.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CapLevelSensorESP use?
50 parts, built around the BC547. 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 CapLevelSensorESP KiCad files?
From the fflori4n/ESP_tankLevelSensor repository on GitHub, at the commit this page was made from: the board is electronics/CapacitiveSensor/capLevelSensorESP/capLevelSensorESP.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the CapLevelSensorESP design in my own project?
Its repository publishes it under the GPL-2.0 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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