Sensors
About the Sensors PCB
Sensors is an open source ESP8266 PCB design by GNB-UAM, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 74.7 × 65.3 mm, with 54 components from 37 distinct parts.
Its main chip is the ESP-12, from the ESP8266 family. Other key parts include the LM7805CT, LD1117S33TR and ADC128D818. By type, the board carries 23 resistors, 8 connectors, 8 capacitors, 4 ICs, 4 transistors and 2 diodes.
It belongs with the sensors designs in this gallery.
From the project
Artificial nose design with multimodal sensing capabilities
These are experimental designs. Use at your own risk.
Please see Bibtex and other citation options at the bottom of the page.
For hardware: Attribution-ShareAlike 4.0 International
Scientific papers: - Garcia-Saura C., Rodriguez-Lujan I., Serrano E., Rodríguez F.B. and Varona P., At-home monitorization using artificial noses and multimodal sensors: a noninvasive approach to human routine certification. IBJ Plus 2022 1(s5) e00017. DOI: 10.24217/2531- 0151.22v1s5.00017. https://doi.org/10.24217/2531-0151.22V1S5.00017
Main components on the Sensors
Sensors bill of materials (BOM)
54 components, 37 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM7805CT | TO-220_Neutral123_Vertical | U1 |
| 1 | LD1117S33TR | TO-220_Neutral123_Vertical | U2 |
| 1 | ESP-12 | ESP-12 | U3 |
| 1 | ADC128D818 | SSOP-16_4.4x5.2mm_Pitch0.65mm | U4 |
| 4 | BS108 | TO-92_Molded_Wide | Q1, Q2, Q3, Q4 |
| 1 | DC 9V | JACK_ALIM | CON1 |
| 1 | batt | Pin_Header_Straight_1x02 | P1 |
| 1 | sound | Socket_Strip_Straight_1x03 | P2 |
| 1 | pir | Socket_Strip_Straight_1x03 | P3 |
| 1 | dust | Pin_Header_Straight_1x06 | P4 |
| 1 | dht22 | Socket_Strip_Straight_1x04 | P5 |
| 1 | I2C | Socket_Strip_Straight_1x04 | P6 |
| 1 | prog | Pin_Header_Straight_1x03 | P7 |
| 4 | TGS26XX | tgs26xx | B1, B2, B3, B4 |
| 1 | BOOT | SW_PUSH_SMALL | SW1 |
| 2 | D_Schottky | Diode_DO-41_SOD81_Vertical_KathodeUp | D1, D2 |
| 1 | 1000u | C_Radial_D10_L16_P5 | C1 |
| 1 | 0.33u | C_Rect_L7_W2_P5 | C2 |
| 1 | 100n | C_Rect_L7_W2_P5 | C3 |
| 1 | 0.1u | C_Radial_D8_L11.5_P3.5 | C4 |
Show 17 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 10u | C_Radial_D8_L11.5_P3.5 | C5, C7 |
| 1 | 100n | C_Rect_L13_W4_P10 | C6 |
| 1 | 220u | C_Radial_D8_L11.5_P3.5 | C8 |
| 1 | 60 | Resistor_Horizontal_RM20mm | R1 |
| 1 | 6k2 | Resistor_Horizontal_RM15mm | R2 |
| 1 | 3k3 | Resistor_Horizontal_RM15mm | R3 |
| 1 | Photores | Resistor_Cement_Vertical_LargePads_KOA-BGR-5N-7N | R4 |
| 5 | 10k | Resistor_Horizontal_RM15mm | R5, R7, R13, R14, R15 |
| 1 | Rtgs1 | Resistor_Horizontal_RM15mm | R6 |
| 5 | 1k | Resistor_Horizontal_RM15mm | R8, R9, R16, R17, R20 |
| 1 | Rtgs2 | Resistor_Horizontal_RM15mm | R10 |
| 2 | 4k7 | Resistor_Horizontal_RM15mm | R11, R12 |
| 1 | Rtgs3 | Resistor_Horizontal_RM15mm | R18 |
| 1 | 150 | Resistor_Horizontal_RM15mm | R19 |
| 1 | Rtgs4 | Resistor_Horizontal_RM15mm | R21 |
| 1 | 9k1 | Resistor_Horizontal_RM15mm | R22 |
| 1 | 820 | Resistor_Horizontal_RM15mm | R23 |
Sensors design files
The KiCad project lives in the GNB-UAM/UAMSense repository on GitHub; these links point at the commit this page was built from.
- LayoutUAMSense1/sensors.kicad_pcb
- SchematicUAMSense1/sensors.kicad_sch
Sensors: common questions
What microcontroller does the Sensors use?
The Sensors is built around the ESP-12, from the ESP8266 family.
How big is the Sensors PCB?
The Sensors measures 74.7 × 65.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Sensors?
54 components, from 37 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sensors design files?
From the GNB-UAM/UAMSense repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Sensors design in my own project?
Yes, under the terms of its GPL-3.0 license, which GNB-UAM chose for the repository.
Can I test firmware for the Sensors without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.
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