2 layers85.1 × 65.4 mm
Tx module
koushik12328/Smart_mining_helmet
An ESP32-powered safety helmet featuring gas detection, impact sensing, and IoT connectivity
27 partsMIT
2 layers71.5 × 72 mm
Smart Energy Saving System
Tanushri050106/PCB-Assignment- Size
- 71.5 × 72 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 12
- Nets
- 45
- Pads
- 108
- Tracks, vias
- 68, 6
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 7 Apr 2025
- Updated
- 7 Apr 2025
Overview
Smart Energy Saving System is an open-source printed circuit board by Tanushri050106, from the Tanushri050106/PCB-Assignment repository on GitHub. It is a 2-layer board of 71.5 × 72 mm with 12 parts on 45 nets, routed with 68 tracks and 6 vias.
It is built around the ESP32-WROOM-32, DHT11 and BC547. Its parts include 3 resistors, 3 ICs, 1 diode, 1 transistor and 1 connector. It belongs with the ESP32 boards of this library.
Main components
3
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
DHT11
SIP-4-20℃~+60℃ 1mA 3.3V~5.5V 5%RH~95%RH ±2℃ ±5%RH SIP-4 Temperature and Humidity Sensor ROHSAosong ElecTemperature And Humidity Sensor
BC547
TO-92Bipolar (BJT)Jiangsu Changjing Electronics Technology (CJ)
README
README.mdView this project on CADLAB.io.
PCB-Assignment
Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | 10kΩ | Resistor_SMD:R_0201_0603Metric | R2 |
| 1 | 220Ω | Resistor_SMD:R_0201_0603Metric | R3 |
| 1 | BC547 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | Conn_Shielded_Pair | Connector_Molex:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | J1 |
| 1 | DHT11 | Sensor:Aosong_DHT11_5.5x12.0_P2.54mm | U2 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-WROOM-32 | U1 |
| 1 | LDR03 | OptoDevice:R_LDR_10x8.5mm_P7.6mm_Vertical | R1 |
| 1 | LED | LED_SMD:LED_0201_0603Metric | D2 |
| 1 | LM7805_TO220 | Package_TO_SOT_THT:TO-220-3_Vertical | U3 |
| 1 | Lamp | LED_SMD:LED_Cree-XP | LA1 |
| 1 | Relay_SPDT | Relay_SMD:Relay_DPDT_FRT5_SMD | K1 |
| 1 | ~ | Downloads:HC-SR501 | HC-SR501 |
Questions
How big is the Smart Energy Saving System PCB?
It measures 71.5 × 72 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Smart Energy Saving System use?
12 parts, built around the ESP32-WROOM-32, DHT11 and 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 Smart Energy Saving System KiCad files?
From the Tanushri050106/PCB-Assignment repository on GitHub, at the commit this page was made from: the board is Smart_Energy_Saving_System.kicad_pcb and its schematic Smart_Energy_Saving_System.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Smart Energy Saving System design in my own project?
Its repository states no licence, so its author keeps all rights: ask Tanushri050106 before reusing the design.
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