4 layers241.7 × 56.7 mm
Boards using the OPA1656ID
52 boardsBoards in 25 GitHub repositories, designed in KiCad, that use the OPA1656ID by Texas Instruments (-18V~-2.25V、2.25V~18V -40℃~+125℃ 100mA 120dB 1mV 2 20pA 20pA 24V/us 2uV/℃ 3.9mA 4.3nV/√Hz@1kHz 4.5V~36V 53MHz Rail-to-rail output SOIC-8 FET Input Amplifiers ROHS). See how each wires it, with its parts, size, README and files; the OPA1656ID’s symbol, footprint and pinout are on its own page.
- 2 layers148.3 × 108.4 mm
RJ Schematic v1.0
Jscott44/RTEP5-the-raspberry-jam
Realtime digital guitar effects pedal designed for Raspberry PI, written in C++
121 parts13MIT - 2 layers32 × 68.5 mm
- 4 layers66 × 46 mm
Radar1
HearnChristian/k-band-fmcw-radar
24 GHz FMCW radar front-end in KiCad (WIP): ADF4159 chirp synth, BGT24LTR11 transceiver, custom Marki AMM-8211PSM driver-amp symbol/footprint, OPA1656 IF, ADS8353 ADC, FT2232H USB.
99 parts3 - 4 layers260 × 110 mm
Pandore
filliformes/pandore
pandore is an open-source digital audio instrument protyping platform based on the LattePanda Mu.
804 parts2 - 6 layers150 × 63 mm
Native refill export
AxelMcKenna/AFX-1000
RMX-1000-inspired effects processor for macOS, AU and VST3, built on a shared C++20 engine. Standalone Daisy Seed 3 hardware with two main PCBs and a custom housing is in development.
334 parts1 - 4 layers154 × 81 mm
System candidate
bernardopg/ps28-modern-amp
Infinity Primus PS28 amplifier modernization: TPA3255 engineering, validation and safety-gated workflow
269 parts1 - 4 layers100 × 100 mm
Pcb AMY
Rivercraft911/R-01_Raster_Laser_Projector
Red, blue and green lasers combine through two dichroc mirrors and bounce off a spinning polygon mirror, which each mirror facet makes one scanline.
159 parts1 - 2 layers80 × 80 mm
Geist
ru3iks/Geist
Geist — A USB DAC dongle I'm building from scratch. ESP32-S3, PCM5102A, balanced 4.4mm output, real-time FFT visualizer, and a parametric EQ you can tune from a desktop app
51 parts1MIT - 2 layers
- 4 layers174 × 111 mm
Pedalboard hw
arjepsen/Pedalboard-integrated-audio
A custom Raspberry Pi Compute Module 5 guitar-processing platform with integrated low-latency audio and a separate ESP32-S3 user-interface board.
118 partsCERN-OHL-P-2.0 - 2 layers75 × 93 mm
- 2 layers154.4 × 73.8 mm
- 4 layers92.3 × 72.5 mm
- 4 layers255 × 127 mm
SCART switcher
nunosousa/SCART-switcher
An old school SCART switcher. Its main purpose will be to automaticaly detect and switch the video output to the active input video source.
613 parts - 4 layers140 × 70 mm
- 2 layers
- 2 layers154.5 × 86.5 mm
- 2 layers76 × 58 mm
Ardor Headphones THT
balazsbencs/ardor
This is a DIY multieffects project with a Raspberry Pi and and Codec Zero and a Raspberry Pi Display 2. With Full NAM A2 support.
36 parts18MIT - 4 layers125 × 95 mm
- 4 layers28.6 × 80.6 mm
PmodDAC
schilkp/PmodADC
A fully discrete 14bit, 41kHz, FPGA-controlled Successive-Approximation Audio ADC and R2R Audio DAC.
122 parts6MIT - 2 layers32 × 75 mm
- 2 layers32 × 75 mm
- 2 layers30 × 84 mm
