Esp12-environment sensor
About the Esp12-environment sensor PCB
Esp12-environment sensor is an open source ESP8266 PCB design by hpbock, published on GitHub under the MIT license. It is a 2-layer board measuring 42.9 × 18.5 mm, with 11 components from 10 distinct parts.
Its main chip is the ESP-12E, from the ESP8266 family. Other key parts include the DHT22. By type, the board carries 4 resistors, 3 capacitors, 2 ICs, 1 connector and 1 inductor.
It belongs with the sensors, iot & wireless and power & battery designs in this gallery.
From the project
Environment sensor that is powered by a 18650 battery using a dht22 to sense temperature and humidity. Connectivity is provided wireless using an esp12 sleeping deeply most of the time.
Main components on the Esp12-environment sensor
Esp12-environment sensor bill of materials (BOM)
11 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP-12E | ESP-12E | U1 |
| 1 | DHT22 | Aosong_DHT11_5.5x12.0_P2.54mm | U2 |
| 1 | Battery | JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J1 |
| 1 | HT7333-A | SOT-89-3_Handsoldering | L1 |
| 2 | 10uF | CP_Elec_4x5.8 | C1, C2 |
| 1 | 100nF | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C3 |
| 1 | 330k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 1 | 100k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2 |
| 1 | 4k7 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3 |
| 1 | 2k2 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4 |
Esp12-environment sensor design files
The KiCad project lives in the hpbock/esp12-environment-sensor repository on GitHub; these links point at the commit this page was built from.
- Layoutesp12-dht22.kicad_pcb
Esp12-environment sensor: common questions
What microcontroller does the Esp12-environment sensor use?
The Esp12-environment sensor is built around the ESP-12E, from the ESP8266 family.
How big is the Esp12-environment sensor PCB?
The Esp12-environment sensor measures 42.9 × 18.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Esp12-environment sensor?
11 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Esp12-environment sensor design files?
From the hpbock/esp12-environment-sensor repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Esp12-environment sensor design in my own project?
Yes, under the terms of its MIT license, which hpbock chose for the repository.
Can I test firmware for the Esp12-environment sensor 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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