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OtterCastAudioV2 schematic
ICs & Modules6 lines · 6 parts
U1AllWinner-S3 (FBGA-234)FBGA-2341
U3AXP209 (QFN-48)QFN-481
U4SY8089AAACSOT-23-51
U5SY6280AACSOT-23-51
U6SSM2603LFCSP-281
U7AP6236LGA-441
Connectors6 lines · 8 parts
J1UART1x04 2.00mm1
J2SDmicroSD1
J3USBUSB-C 16 pin1
J4OTG1x04 2.00mm1
J849F-1201GYD2NLRJ451
J5-J7PJ-3270PJ-32703
Crystals & Oscillators4 lines · 4 parts
X126 MHz TCXO20161
Y112.288 MHz32251
Y232.768 kHz32151
Y324 MHz32251
Diodes & LEDs4 lines · 6 parts
D3LEDLED_06031
D4P6SMB6.8CAD_SMB1
D1-D2LEDLED_06032
D5-D6ESD5302FSOT-232
Transistors1 line · 1 part
Q1DTA114YKASOT-231
Inductors & Ferrites3 lines · 8 parts
FB1-FB3FERRETR_08053
L52.2nHL_04021
L1-L42.2uHMD-30304
Switches & Relays1 line · 1 part
SW3RSTPTS8101
Antennas1 line · 1 part
AE1KH-5220-A56_U.FLKH-52201
Mechanical1 line · 1 part
MK1MicB4013AM4221
Capacitors14 lines · 97 parts
C1, C4, C6, C14, C16-C17, C19-C20, C22-C31, C39, C41, C48, C72, C74, C79, C90, C92, C9510uC_060327
C2470nC_04021
C3, C7-C8, C15, C18, C21, C32-C38, C44, C58-C59, C61, C65-C66, C73, C76, C82-C83, C85, C88-C89, C98-C103100nC_040232
C5, C10-C11, C42-C43, C4547uC_08056
C92.2uC_06031
C12, C471nC_04022
C13, C1041nC_08052
C46, C50, C53, C70-C71220pC_04025
C49DNPC_04021
C75, C771pC_04022
C7810pC_04021
C51-C52, C93-C94, C96-C9718pC_04026
C54-C57, C60, C62-C64, C6910uEIA-32169
C67-C68100uEIA-35282
Resistors16 lines · 85 parts
R1, R32-R33, R61-R62100R_04025
R2, R15, R34, R54, R76-R77, R8122R_04027
R6, R22-R23, R29, R47, R52, R66-R69DNPR_040210
R16, R21, R40, R78200kR_04024
R17, R28, R37, R41, R48-R51, R79-R80, R87-R882k2R_040212
R270RR_08051
R313k3R_04021
R383k9R_04021
R43680R_04021
R8410MR_04021
R896k04R_04021
R3-R4, R14, R24-R25, R30, R35-R36, R39, R865k1R_040210
R44-R460R_04023
R7-R13, R18, R26, R42, R58-R60, R63-R65, R70-R7547kR_040222
R82-R83240R_04022
R90-R9351R_04024
Example comparison · based on upstream Git commits
Inner copper layer in v1, with the copper that was later removed in red
v119 Nov 2020
The same layer in v2, with the added ground plane and rerouted traces in green
v214 Feb 2021

Fixed ETH, added AGND plane to prevent line-in noise.

RemovedAdded
Example version history · based on upstream Git commits
  1. v5Updated KiCad files to v2.1.111 Apr 2024 · latest
  2. v4Updated to KiCad 61 Apr 2022
  3. v3Finalized v2.1, ordered boards19 Feb 2021
  4. v2Fixed ETH, added AGND plane14 Feb 2021
  5. v1Regenerated gerber19 Nov 2020
boardrepo.com/ottercast/ottercastaudiov2
  • PublicAnyone can find it
  • Link onlyOnly people with the link
  • PasswordLink plus a password
  • YouCreated the boardAdmin
  • Hardware leadUploads new versionsMember
  • Mechanical leadChecks the 3D model against the enclosureMember
  • Assembly partnerSees this board onlyViewer
Example

OtterCastAudioV2 by Ottercast, MIT licence

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An example conversation with BoardRepo in an AI assistant: it finds the open-source b-parasite soil sensor and shows its schematic, PCB and 3D view; explains how its moisture sensing circuit works; then changes R10 from 470 Ω to 4.7 kΩ to make the light sensor more sensitive and saves a copy to the user's workspace.

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Example conversation · Saving requires your explicit write consent · b-parasite by rbaron, CC BY-SA 4.0

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