2020 2021 LIEW ZHOU
MOSH-Insa-Toulouse·2020_2021_LIEW_ZHOU·Kicad/Gas_sensor_shield/Gas_sensor_shield.kicad_pcb
About the 2020 2021 LIEW ZHOU PCB
2020 2021 LIEW ZHOU is an open source AVR/Arduino PCB design by MOSH-Insa-Toulouse, published on GitHub under the MIT license. It is a 2-layer board measuring 68.6 × 53.3 mm, with 24 components from 16 distinct parts.
Its main chip is the Arduino_1pin, from the AVR/Arduino family. Other key parts include the LTC1050, Gas_Sensor and RN2483_Breakout. By type, the board carries 8 connectors, 7 resistors, 4 capacitors, 3 ICs and 1 diode.
It belongs with the sensors and dev boards & breakouts designs in this gallery.
From the project
Following is a list of the components used: Arduino Uno x 1 RN2483A LoRa module x 1 LED x 1 Gas sensor MQ3 x 1

Main components on the 2020 2021 LIEW ZHOU
2020 2021 LIEW ZHOU bill of materials (BOM)
24 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LTC1050 | LTC1050 | U1 |
| 1 | Gas_Sensor | Sensor_gas | U2 |
| 1 | RN2483_Breakout | RN2483_breakout | U3 |
| 1 | Power | Socket_Strip_Arduino_1x08 | P1 |
| 1 | Analog | Socket_Strip_Arduino_1x06 | P2 |
| 1 | Digital | Socket_Strip_Arduino_1x10 | P3 |
| 1 | Digital | Socket_Strip_Arduino_1x08 | P4 |
| 4 | CONN_01X01 | Arduino_1pin | P5, P6, P7, P8 |
| 1 | R_POT | Potentiometer_ACP_CA9-V10_Vertical | RV1 |
| 1 | LED | LED_D3.0mm | D1 |
| 3 | 100n | CP_Radial_D5.0mm_P2.00mm | C1, C3, C4 |
| 1 | 1u | CP_Radial_D5.0mm_P2.00mm | C2 |
| 1 | 10k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1 |
| 1 | 100 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R2 |
| 2 | 100k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3, R5 |
| 3 | 1k | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R4, R6, R7 |
2020 2021 LIEW ZHOU design files
The KiCad project lives in the MOSH-Insa-Toulouse/2020_2021_LIEW_ZHOU repository on GitHub; these links point at the commit this page was built from.
2020 2021 LIEW ZHOU: common questions
What microcontroller does the 2020 2021 LIEW ZHOU use?
The 2020 2021 LIEW ZHOU is built around the Arduino_1pin, from the AVR/Arduino family.
How big is the 2020 2021 LIEW ZHOU PCB?
The 2020 2021 LIEW ZHOU measures 68.6 × 53.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 2020 2021 LIEW ZHOU?
24 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the 2020 2021 LIEW ZHOU design files?
From the MOSH-Insa-Toulouse/2020_2021_LIEW_ZHOU repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 2020 2021 LIEW ZHOU design in my own project?
Yes, under the terms of its MIT license, which MOSH-Insa-Toulouse chose for the repository.
Can I test firmware for the 2020 2021 LIEW ZHOU without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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