
Dvk mx8m bsb
gralco/dvk-mx8m-bsb
Librem 5 Developer Kit using EmCraft's i.MX 8M System-on-Module.

Arduino-based Aquarium controller
Aquarium controller is an open-source printed circuit board by daniestevez, from the daniestevez/aquarium-controller repository on GitHub, published under the Unlicense licence. It is a 2-layer board with 48 parts on 61 nets, routed with 473 tracks and 85 vias.
It is built around the ATMEGA328PB-AU, DS3231MZ+ and L78L05ACD13, with the 2N7002E and DB2J20900L among its other parts. Its parts include 16 capacitors, 12 resistors, 5 ICs, 5 connectors and 3 transistors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Arduino-based Aquarium controller
Libraries required for the Arduino software:
| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 1u | Capacitors_SMD:C_0805 | C5, C9, C11, C12, C13, C14, C15, C16 |
| 6 | 100 | Resistors_SMD:R_0805 | R4, R5, R8, R9, R10, R11 |
| 5 | 100n | Capacitors_SMD:C_0805 | C1, C3, C4, C8, C10 |
| 3 | 100K | Resistors_SMD:R_0805 | R6, R7, R12 |
| 3 | 10k | Resistors_SMD:R_0805 | R1, R2, R3 |
| 3 | 2N7002E | TO_SOT_Packages_SMD:SOT-23 | Q1, Q2, Q3 |
| 3 | CONN_01X02 | Socket_Strips:Socket_Strip_Straight_1x02 | P1, P2, P4 |
| 2 | 22p | Capacitors_SMD:C_0805 | C6, C7 |
| 2 | DB2J20900L | SMini2:SMini2-F5-B | D1, D2 |
| 1 | 16MHz | Crystals:Crystal_HC49-SD_SMD | Y1 |
| 1 | 330n | Capacitors_SMD:C_0805 | C2 |
| 1 | 4050 | Housings_SSOP:TSSOP-16_4.4x5mm_Pitch0.65mm | U4 |
| 1 | ATMEGA328PB | Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm | IC1 |
| 1 | AVR-ISP-6 | Pin_Headers:Pin_Header_Straight_2x03 | ICSP1 |
| 1 | BARREL_JACK | Connect:BARREL_JACK | CON1 |
| 1 | Battery | BC501SM:BC501SM | BT1 |
| 1 | CONN_01X08 | Socket_Strips:Socket_Strip_Straight_1x08 | P3 |
| 1 | DOGM128-6 | LED55X46:LED55X46 | LCD1 |
| 1 | DS3231M | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U1 |
| 1 | L78L05ACD | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U2 |
| 1 | MIC5504 | TO_SOT_Packages_SMD:SOT-23-5 | U3 |
The 47 most common of 48 parts.
48 parts, built around the ATMEGA328PB-AU, DS3231MZ+, L78L05ACD13 and 2N7002E. 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 daniestevez/aquarium-controller repository on GitHub, at the commit this page was made from: the board is hardware/aquarium-controller.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the Unlicense licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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