2 layers90 × 76.5 mm
4 layers48.8 × 53.4 mm
Water monitor
Sadrita404/Hack-BoatIt is an open source Hack Boat it is fully 3d Printed and it has a water cooled motor with custom rudder for boat movement it uses 6 channel transmission to contol the boat also it is fully cover with carbon - fiber from inside
- Size
- 48.8 × 53.4 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 43
- Pads
- 129
- Tracks, vias
- 203, 14
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 11 Jul 2026
- Updated
- 3 Aug 2026
Overview
Water monitor is an open-source printed circuit board by Sadrita404, from the Sadrita404/Hack-Boat repository on GitHub, published under the MIT licence. It is a 4-layer board of 48.8 × 53.4 mm with 18 parts on 43 nets, routed with 203 tracks and 14 vias.
It is built around the ESP32-WROOM-32 and AMS1117-3.3. Its parts include 6 connectors, 5 resistors, 3 capacitors, 2 ICs and 2 switches. It belongs with the ESP32 boards of this library.
Main components
2
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
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.md|
|
| Title | Hack Boat |
|---|---|
| Author | Sadrita Neogi |
Overview
It is an open source Hack Boat it is fully 3d Printed and it has a water cooled motor with custom rudder for boat movement it uses 6 channel transmission to control the boat also it is fully covered with carbon - fiber on the inside body
Why I choose this project?
So behind choosing this project for a very long time, I was fascinated with this RC board since how the working principal like when I got to know about 3D printing. Then from now, I have been planning to build one for myself which I can 3-D print and it would be much more economical so for that I have made this
How to use this project
This project mainly is an hobby purpose project, but we can use it to feed fish or perform small rescue missions like for small project. It can send GPS tracking data from the pond with the Attach water quality monitor to the boat and check the water Quality of the pond.
Features
- Fully 3d Printed Body
- Water Cooled Motor
- Long Range Transmission
- Custom Water Quality Monitoring System
- Has 6 Channel transmitter
- Carbon Fiber Inside
- Fully Open Source
General Schematic
| Building Process | ||||
|---|---|---|---|---|
PCB Final (Water Quality Monitor)
|
▲ Front Side View
|
▲ Back Side View
|
Fusion Renders
Bill of Materials
Here is your complete data formatted cleanly as a Markdown table, matching your requested format exactly:
| Name | Purpose | Quantity | Total Cost (USD) | Link | Distributor |
|---|---|---|---|---|---|
| Rocket 3670 brushless rc boat motor | The Main Motor | 1 | 36 | Link | Robu |
| Water Cooling Jacket for RC Boat Brushless Motor | To cool the motor from overheating | 1 | 13 | Link | Amazon |
| 80A Bidirectional Water-Cooled ESC 2-6S | To run the Motor | 1 | 28 | Link | Evelta |
| RC Boat Rudder with Absoring Water Pickup | For the Boat Movement | 1 | 13 | Link | Amazon |
| RC Ship Drive Shaft+Motor Coupler | For the Boat Movement | 1 | 17 | Link | Amazon |
| RC Boat Flex Shaft Prop | For the Boat Movement | 1 | 20 | Link | Amazon |
| Pro- Range 22.2V 4200mAh 35C 6S Lithium Polymer Battery | To power the whole circuit(this need for the motor to run at least for 15mins) | 1 | 59.2 | Link | Robu |
| Digital Waterproof 20KG 270 Degree DC Servo | For Rudder Movement | 1 | 22 | Link | Robu |
| IMAX B6 80W 6A Charger/Discharger | To charge the battery | 1 | 19.1 | Link | Robu |
| CT-8A Transmitter+F-08A Receiver(PWM) | To Control the boat | 1 | 34 | Link | Robu |
| Silicon Carbide Scratch Filler Putty Grey | To hide the layer lines of the 3d Print and to make the surface smooth | 1 | 3 | Link | Amazon |
| Epoxy Resin and Hardener | To make the boat water proof | 1 | 2.99 | Link | Amazon |
| Carbon Fiber Fabric 30x100cm | To make the frame strong | 1 | 10.5 | Link | Amazon |
| Clear Coat | To make the paint stay at the body | 1 | 2.2 | Link | Amazon |
| Spray Paint Colour | For the boat | 1 | 2.2 | Link | Amazon |
| PCB(moq5) | For the water quality Monitor | 5 | 4 | JLCPCB | JLCPCB |
| Tax | 3.3 | ||||
| Shipping Charges | incl PCB | 14.2 | |||
| Total | 303 | ||||
| Round Off Total | Dollar rate fluctuation | 310 |
Copyright and License
Copyright (c) 2026 Sadrita Neogi. All rights reserved.
All files are licensed under the MIT license. For more information, see the LICENSE.
Project Under Hack Club
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 10K | Resistor_SMD:R_0805_2012Metric | R3, R4 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | 5.1K | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 1 | 100nF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | 4.7K | Resistor_SMD:R_0805_2012Metric | R5 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | BOOT Push Button | Button_Switch_THT:SW_PUSH_6mm | SW2 |
| 1 | DS18B20 Connector (Conn_01x03) | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-WROOM-32 | U2 |
| 1 | OLED (Conn_01x04)] | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | Programming Header (Conn_01x06) | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J4 |
| 1 | RESET Push Button | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | Turbidity Sensor (Conn_01x03) | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | USB_C_Receptacle_USB2.0_14P | Connector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1 |
| 1 | pH Sensor (Conn_01x03) | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
Questions
How big is the Water monitor PCB?
It measures 48.8 × 53.4 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Water monitor use?
18 parts, built around the ESP32-WROOM-32 and AMS1117-3.3. 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 Water monitor KiCad files?
From the Sadrita404/Hack-Boat repository on GitHub, at the commit this page was made from: the board is PCB/water monitor.kicad_pcb and its schematic PCB/water monitor.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Water monitor design in my own project?
Its repository publishes it under the MIT 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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