

AirMQ - ESP8266-0.4.8
Root repository for AirMQ hardware project
- Size
- 98 × 49 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 94
- Nets
- 54
- Pads
- 321
- Tracks, vias
- 886, 381
- Pours
- 23
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 20 May 2020
- Updated
- 27 Jan 2026
Overview
AirMQ - ESP8266-0.4.8 is an open-source printed circuit board by AirMQ, from the AirMQ/AirMQ-sensor repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 2-layer board of 98 × 49 mm with 94 parts on 54 nets, routed with 886 tracks and 381 vias.
It is built around the ESP-07, STI3470 and SY7088DGC, with the CN302, DS3231MZ/V+ and TPS63020 among its other parts. Its parts include 33 capacitors, 24 resistors, 8 ICs, 8 connectors and 5 diodes. It belongs with the ESP8266 boards of this library.
Main components
7ESP-07
SMD-16P,21.2x16mm-40℃~+125℃ -98dBm 19.5dBm 2.4GHz 3.3V 802.11b/g/n ESP8266 Chip On-board PCB Antenna Over-the-air (OTA) update UART、I2C、HSPI、I2S SMD-16P,21.2x16mm WiFi Modules ROHSAi-ThinkerWiFi ModulesSTI3470
SOT-23-6-40℃~+125℃@(TJ) 1 2A 3.5V~18V 600kHz Adjustable Buck Buck Built-in Yes SOT-23-6 DC-DC Converters ROHSTMIDC-DC ConvertersSY7088DGC
DFN-8-EP(2x3)-40℃~+85℃@(TA) 1 1MHz 2.3V~5.25V 2.5V~5.5V 2uA 3A Adjustable Boost Boost Built-in Yes DFN-8-EP(2x3) DC-DC Converters ROHSSilergy CorpDC-DC ConvertersCN302
SOT-23-6-40℃~+85℃ 1.9V~6V 9.5uA Lithium Battery、Lead-Acid Battery、Nickel-Metal Hydride Battery、Ni-Cd Battery Monitoring IC SOT-23-6 Battery Management ROHSShangHai Consonance ElecBattery ManagementDS3231MZ/V+
SOIC-8-40℃~+85℃ 2.3V~5.5V Built-in I2C Temperature compensation、Backup power management and battery charging、Alarm function、Locking and tamper-proof、Periodic interrupt output SOIC-8 Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real Time ClocksTPS63020
UncategorisedTexas InstrumentsTPC8107-VB
SO-8-55℃~+150℃ 1 P-Channel 11mΩ@10V 13.5A 2.55nF 2.5V 30V 390pF 455pF 57nC@10V 5W P-Channel SO-8 MOSFETs ROHSVBsemi ElecMOSFETs
README
Hardware/Mainboard/2.0.2/README.mdMainboard version 2.0.2
Changelog:
3D view
Parts
94| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 100 nF | Capacitor_SMD:C_0603_1608Metric | C3, C4, C5, C6, C9, C10, C12, C14, C15, C16, C20, C22, C33, C36, C37 |
| 5 | 22 uF | Capacitor_SMD:C_0603_1608Metric | C28, C29, C30, C31, C35 |
| 4 | 10k | Resistor_SMD:R_0603_1608Metric | R4, R6, R8, R19 |
| 3 | 10 uF | Capacitor_SMD:C_0805_2012Metric | C23, C25, C32 |
| 3 | 10 uF | Capacitor_SMD:C_0603_1608Metric | C17, C18, C19 |
| 3 | 4.7k | Resistor_SMD:R_0603_1608Metric | R10, R11, R12 |
| 2 | 100k | Resistor_SMD:R_0603_1608Metric | R5, R21 |
| 2 | 1Wire/LED | Connector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J6, J6 |
| 2 | 4.7 uH | AirMQ_FP:Inductor_CD53 | L2, L3 |
| 2 | Bat | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J7, J7 |
| 2 | MAIN_PWR | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J2, J2 |
| 2 | SC34 | Diode_SMD:D_SMA | D2, D5 |
| 1 | 0.2 | Resistor_SMD:R_2010_5025Metric | R20 |
| 1 | 0.5A | Fuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | F2 |
| 1 | 1.5 uH | AirMQ_FP:Inductor_CD53 | L1 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 100 uF | Capacitor_SMD:C_1206_3216Metric | C8 |
| 1 | 100 uF | Capacitor_SMD:CP_Elec_6.3x7.7 | C1 |
| 1 | 150k | Resistor_SMD:R_0603_1608Metric | R22 |
| 1 | 160k | Resistor_SMD:R_0603_1608Metric | R16 |
| 1 | 180k | Resistor_SMD:R_0603_1608Metric | R14 |
| 1 | 1M | Resistor_SMD:R_0603_1608Metric | R13 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric | R17 |
| 1 | 2.2 uH | AirMQ_FP:Inductor_CD53 | L4 |
| 1 | 20k | Resistor_SMD:R_0603_1608Metric | R18 |
| 1 | 22 nF | Capacitor_SMD:C_0603_1608Metric | C21 |
| 1 | 22 uF | Capacitor_SMD:C_0805_2012Metric | C24 |
| 1 | 22 uF | Capacitor_SMD:C_1206_3216Metric | C2 |
| 1 | 270k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 3.3V Source | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP1 |
| 1 | 316k | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 330 uF | Capacitor_SMD:CP_Elec_6.3x7.7 | C11 |
| 1 | 330k | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 33k | Resistor_SMD:R_0603_1608Metric | R23 |
| 1 | 390k | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | 39k | Resistor_SMD:R_0603_1608Metric | R24 |
| 1 | 5.1V | Diode_SMD:D_SOD-123F | D4 |
| 1 | 510k | Resistor_SMD:R_0603_1608Metric | R15 |
| 1 | AirMQ_Logo | AirMQ_FP:AirMQ_Logo_new | 586 |
| 1 | CN302 | Package_TO_SOT_SMD:SOT-23-6 | U3 |
| 1 | DS3231MZ | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | D_TVS | Diode_SMD:D_1210_3225Metric | D1 |
| 1 | Dev | Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_Vertical | J4 |
| 1 | ESP-07 | AirMQ_FP:ESP-12E_noSPI | U4 |
| 1 | ExpBoard | AirMQ_FP:PinHeader_2x06_P2.54mm_Vertical_CC | J3 |
| 1 | HW_RESET | AirMQ_FP:SW_PUSH_4x3x2 | SW2 |
| 1 | LED_Dual_CCAA | AirMQ_FP:LED_0603_Dual | D3 |
| 1 | LiFe/LiPo | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | LiPo/ LiFePo4 | AirMQ_FP:26650 | BT1 |
| 1 | LiPo/LiFe | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP5 |
| 1 | NP | Capacitor_SMD:C_0603_1608Metric | C13 |
| 1 | RESET | AirMQ_FP:SW_PUSH_4x3x2 | SW1 |
| 1 | RTC Source | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP3 |
| 1 | SCD40 | AirMQ_FP:SCD40 | U1 |
| 1 | STI3470 | Package_TO_SOT_SMD:SOT-23-6_Handsoldering | U7 |
| 1 | SY7088 | Package_DFN_QFN:DFN-8-1EP_3x2mm_P0.5mm_EP1.36x1.46mm | U8 |
| 1 | TP5000 | Package_DFN_QFN:QFN-16-1EP_4x4mm_P0.65mm_EP2.1x2.1mm | U6 |
| 1 | TPC8107 | Package_SO:SOP-8_3.9x4.9mm_P1.27mm | Q1 |
| 1 | TPS63020 | AirMQ_FP:QFN14-3X4MM | U5 |
| 1 | VCC Bypass | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP4 |
The 93 most common of 94 parts.
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Questions
How big is the AirMQ - ESP8266-0.4.8 PCB?
It measures 98 × 49 mm and has 2 copper layers, 1.6 mm thick.
What parts does the AirMQ - ESP8266-0.4.8 use?
94 parts, built around the ESP-07, STI3470, SY7088DGC and CN302. 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 AirMQ - ESP8266-0.4.8 KiCad files?
From the AirMQ/AirMQ-sensor repository on GitHub, at the commit this page was made from: the board is Hardware/Mainboard/0.4.8/AirMQ - ESP8266-0.4.8.kicad_pcb and its schematic Hardware/Mainboard/0.4.8/AirMQ - ESP8266-0.4.8.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the AirMQ - ESP8266-0.4.8 design in my own project?
Its repository publishes it under the CERN-OHL-P-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).