Opamp

10 boards

KiCad boards from 7 GitHub repositories tagged “opamp”, the most starred first; open any of them in PCBKit.

2 layers48 × 36.5 mm
Osillyscope etchable
tvlad1234/osillyscope
Low cost, low part count CH32V003-based oscilloscope
31 parts30MIT
2 layers46.4 × 46.4 mm
2ch-4-20mA
Fescron/2ch-4-20mA-converter
1/2 channel 4-20 mA to voltage converter boards using LMP8640 current sense monitor.
30 parts10
2 layers99.1 × 86.4 mm
Triumph main
rjhsun/triumph
Accurate and high-current analog function generator
87 parts2MIT
4 layers68.6 × 88.9 mm
Adacus
AoToS/Adacus
Mixed signal PCB with op-amps, filters, ADC/DAC interfaces. ADACUS
115 parts1
2 layers99.1 × 50.8 mm
StompFork
jurihock/StompFork
Active audio signal splitter to drive multiple parallel stompboxes
34 parts1GPL-3.0
2 layers54.1 × 29.9 mm
4bitDAC
camerontbelt/Andromeda
Andromeda is an easy to use, discrete, four bit DAC
13 parts
2 layers100 × 71 mm
Functiongenerator
odegroote/FGControlPCB
KiCAD 9.0 project for a 2 layer PCB design of a 2 channel functiongenerator
59 partsGPL-3.0
2 layers49.8 × 37.3 mm
Osillyscope-2layer
tvlad1234/osillyscope
Low cost, low part count CH32V003-based oscilloscope
27 parts30MIT
2 layers32.4 × 24.8 mm
1ch-4-20mA
Fescron/2ch-4-20mA-converter
1/2 channel 4-20 mA to voltage converter boards using LMP8640 current sense monitor.
13 parts10
2 layers53.3 × 33 mm
Triumph power
rjhsun/triumph
Accurate and high-current analog function generator
23 parts2MIT