Mercury 2021
About the Mercury 2021 PCB
Mercury 2021 is an open source AVR/Arduino PCB design by ksurct, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 100 × 100 mm, with 40 components from 23 distinct parts.
Its main chip is the Arduino_Extra_Power, from the AVR/Arduino family. Other key parts include the LM1084-5.0, Adafruit_VL53L0X, TCA9548APWR, MDD10A and PCA9685. By type, the board carries 24 connectors, 14 ICs and 2 capacitors.
Main components on the Mercury 2021
Mercury 2021 bill of materials (BOM)
40 components, 23 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM1084-5.0 | LM1084 | U1 |
| 8 | Adafruit_VL53L0X | VL53L0X | U2, U3, U4, U5, U6, U7, U8, U9 |
| 1 | TCA9548APWR | TCA9548 | U10 |
| 2 | MDD10A | PinSocket_1x05_P2.54mm_Vertical | U11, U13 |
| 1 | PCA9685 | PinSocket_1x06_P2.54mm_Vertical | U12 |
| 1 | PCA9685 | TerminalBlock_Altech_AK300-2_P5.00mm | U12C1 |
| 1 | Batt_Power | TerminalBlock_Altech_AK300-2_P5.00mm | J1 |
| 2 | Conn_01x20_Female | PinSocket_1x20_P2.54mm_Vertical | J2, J3 |
| 8 | Screw_Terminal_01x02 | TerminalBlock_Altech_AK300-2_P5.00mm | J4, J5, J13, J14, J30, J31, J32, J33 |
| 1 | 5V rail | PinHeader_1x11_P2.54mm_Vertical | J7 |
| 1 | GND Rail 1 | PinHeader_1x11_P2.54mm_Vertical | J8 |
| 1 | 11v rail | PinHeader_1x11_P2.54mm_Vertical | J9 |
| 1 | 3.3v rail | PinHeader_1x11_P2.54mm_Vertical | J10 |
| 1 | Raspberry_Pi_2_3 | PinSocket_2x20_P2.54mm_Vertical | J15 |
| 1 | Sensors_Extra | PinSocket_1x16_P2.54mm_Vertical | J16 |
| 1 | Arduino_Extra_Power | PinSocket_1x06_P2.54mm_Vertical | J17 |
| 1 | Arduino_Extra_Comm | PinSocket_1x02_P2.54mm_Vertical | J18 |
| 1 | Arduino_Extra_Digital | PinSocket_1x09_P2.54mm_Vertical | J19 |
| 1 | Arduino_Extra_Analog | PinSocket_1x08_P2.54mm_Vertical | J20 |
| 1 | MP_Extra_Analog | PinSocket_1x04_P2.54mm_Vertical | J21 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | GND rail 2 | PinHeader_1x11_P2.54mm_Vertical | J36 |
| 1 | GND rail 3 | PinHeader_1x11_P2.54mm_Vertical | J37 |
| 2 | 10μf | C_Disc_D5.1mm_W3.2mm_P5.00mm | C1, C2 |
Mercury 2021 design files
The KiCad project lives in the ksurct/mercury2021 repository on GitHub; these links point at the commit this page was built from.
Mercury 2021: common questions
What microcontroller does the Mercury 2021 use?
The Mercury 2021 is built around the Arduino_Extra_Power, from the AVR/Arduino family.
How big is the Mercury 2021 PCB?
The Mercury 2021 measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Mercury 2021?
40 components, from 23 distinct parts. The full bill of materials is listed on this page.
Where can I download the Mercury 2021 design files?
From the ksurct/mercury2021 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Mercury 2021 design in my own project?
Yes, under the terms of its Apache-2.0 license, which ksurct chose for the repository.
Can I test firmware for the Mercury 2021 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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