
Duino Coin
elVucko/Duino_Coin_AVR
This is the simplest DUINO coin mining board design with four Atmega328p and CH340 connected to the FE1.1S USB hub.

This is the simplest DUINO coin mining board design with four Atmega328p and CH340 connected to the FE1.1S USB hub.
DUINO is an open-source printed circuit board by elVucko, from the elVucko/Duino_Coin_AVR repository on GitHub, published under the MIT licence. It is a 4-layer board of 50 × 50 mm with 93 parts on 187 nets, routed with 859 tracks and 84 vias.
It is built around the ATMEGA328P-AU, CH340G and FE1.1S, with the CSTCE16M0V13C99-R0 among its other parts. Its parts include 30 resistors, 19 capacitors, 14 diodes, 9 ICs and 9 crystals. It belongs with the AVR (ATmega, ATtiny) boards of this library.




This is the simplest DUINO coin mining board design with four Atmega328p and CH340 connected to the FE1.1S USB hub. All that's needed to mine with this board is a micro USB/USB A cable to connect with a computer and the AVR_Miner application installed. One version of the PCB is with CH340C and for me, that version works great. But only the CH340C can be used here. Due to difficulties in buying quality chips, I did another design where CH340G is used. On this PCB, both versions of CH340 can be used without any problems. I made this design for fun and I hope it can be useful to someone.
All information regarding the DUINO can be found on the official website:
| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | 0.1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17 |
| 13 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9, R10, R11, R12, R13, R14, R15, R16, R21, R22, R23, R24, R30 |
| 8 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R3, R4, R5, R6, R7, R8 |
| 8 | Blue | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2, D3, D4, D5, D6, D7, D8 |
| 5 | red | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D9, D10, D11, D12, D17 |
| 4 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17, R18, R19, R20 |
| 4 | ATMEGA328P-AU | Vucko_Admin:QFP80P900X900X120-32N | IC1, IC2, IC3, IC4 |
| 4 | CH340G | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U1, U2, U3, U4 |
| 4 | CSTCE12M | Vucko_Admin:CSTCE16M0V13C99R0 | Y6, Y7, Y8, Y9 |
| 4 | CSTCE16M0V13C99-R0 | Vucko_Admin:CSTCE16M0V13C99R0 | Y1, Y2, Y3, Y4 |
| 4 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2, J3, J5, J6 |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C19, C21, C23 |
| 2 | 2.2k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R27, R28 |
| 2 | Duino | Vucko_Admin_Logo:Duino | L1, L2 |
| 1 | 1 | MountingHole:MountingHole_3.2mm_M3 | H1 |
| 1 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R26 |
| 1 | 12MHz | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | Y5 |
| 1 | 2 | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D13 |
| 1 | 2 | MountingHole:MountingHole_3.2mm_M3 | H2 |
| 1 | 2.7k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R29 |
| 1 | 3 | MountingHole:MountingHole_3.2mm_M3 | H3 |
| 1 | 4 | MountingHole:MountingHole_3.2mm_M3 | H4 |
| 1 | 47k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R25 |
| 1 | FE1.1s | Package_SO:SSOP-28_3.9x9.9mm_P0.635mm | U5 |
| 1 | SS_PG | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J4 |
| 1 | USB_Micro | Connector_USB:USB_Micro-B_Amphenol_10104110_Horizontal | J1 |
It measures 50 × 50 mm and has 4 copper layers, 1.6 mm thick.
93 parts, built around the ATMEGA328P-AU, CH340G, FE1.1S and CSTCE16M0V13C99-R0. 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 elVucko/Duino_Coin_AVR repository on GitHub, at the commit this page was made from: the board is Duino_Coin_AVR/DUINO/CH340G/DUINO.kicad_pcb and its schematic Duino_Coin_AVR/DUINO/CH340C/Duino Coin.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

elVucko/Duino_Coin_AVR
This is the simplest DUINO coin mining board design with four Atmega328p and CH340 connected to the FE1.1S USB hub.


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