antiQuery/avr-co2-detectorAvr co2-detector is an open-source printed circuit board by antiQuery, from the antiQuery/avr-co2-detector repository on GitHub. It is a 2-layer board of 100 × 70 mm with 72 parts on 75 nets, routed with 657 tracks and 207 vias.
It is built around the ATTINY2313A-SU, ESP-07 and FT232RL, with the SN74LVC1T45DBV and NCP1117DT33G among its other parts. Its parts include 25 capacitors, 16 resistors, 9 ICs, 7 connectors and 2 switches. It belongs with the sensors and measurement boards and the ESP8266 and AVR (ATmega, ATtiny) boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C5, C6, C7, C11, C13, C14, C17, C18, C19, C20, C21, C22, C23, C24, C25 +2 |
| 7 | 10K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R3, R8, R9, R12, R13, R14 |
| 4 | SN74LVC1T45DBV | Package_TO_SOT_SMD:SOT-23-6 | U6, U7, U8, U9 |
| 3 | 100R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R11, R16 |
| 3 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C10, C16 |
| 2 | 10uF x 10V | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder | C12, C15 |
| 2 | 1K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5, R10 |
| 2 | 20pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3 |
| 2 | 220R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7, R15 |
| 2 | Backlight | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J2, J3 |
| 1 | "Config" | LED_THT:LED_D3.0mm_FlatTop | D1 |
| 1 | "Debug UART" | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | "ESP-Prog" | Connector_PinHeader_1.27mm:PinHeader_2x03_P1.27mm_Vertical | J7 |
| 1 | "Reset AVR" | Button_Switch_SMD:SW_Push_1P1T_NO_6x6mm_H9.5mm | SW1 |
| 1 | "Reset ESP" | Button_Switch_SMD:SW_Push_1P1T_NO_6x6mm_H9.5mm | SW2 |
| 1 | "UART RX jumper" | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 1 | 004-0-0053 | Sensor:Senseair_S8_Up | U3 |
| 1 | 4 MHz | Crystal:Crystal_SMD_HC49-SD | Y1 |
| 1 | 4.7K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 1 | 9.1K | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6 |
| 1 | ATtiny2313A-SU | Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm | U1 |
| 1 | AVR-ISP-10 | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J5 |
| 1 | ESP-07 | RF_Module:ESP-07 | U5 |
| 1 | FT232RL | Package_SO:SSOP-28_5.3x10.2mm_P0.65mm | U2 |
| 1 | GND TestPoint | TestPoint:TestPoint_Bridge_Pitch2.54mm_Drill1.0mm | TP1 |
| 1 | LCD0802 | Connector_IDC:IDC-Header_2x08_P2.54mm_Vertical | J4 |
| 1 | MountingHole_3.2mm_M3 | MountingHole:MountingHole_3.2mm_M3 | locked |
| 1 | NCP1117DT33G | Package_TO_SOT_SMD:TO-252-2 | U4 |
| 1 | USB TYPE-C | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | locked | Button_Switch_SMD:SW_Push_1P1T_NO_6x6mm_H9.5mm | locked |
The 65 most common of 72 parts.
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It measures 100 × 70 mm and has 2 copper layers, 1.6 mm thick.
72 parts, built around the ATTINY2313A-SU, ESP-07, FT232RL and SN74LVC1T45DBV. 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.
From the antiQuery/avr-co2-detector repository on GitHub, at the commit this page was made from: the board is pcb/avr-co2-detector.kicad_pcb and its schematic pcb/avr-co2-detector.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask antiQuery before reusing the design.