Boards using the PCF8574AP

66 boards

Boards in 53 GitHub repositories, designed in KiCad, that use the PCF8574AP by HGSEMI (-40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 300uA 8 8 Cascade and address expansion、Built-in LED driver I2C Interrupt Output Quasi-bidirectional output DIP-16 I/O Expanders ROHS). See how each wires it, with its parts, size, README and files; the PCF8574AP’s symbol, footprint and pinout are on its own page.

2 layers79.5 × 160 mm
Europi main
AudioMorphology/Europi
Opensource sequencer software for Raspberry Pi equipped with Eurorack-compatible hardware
90 parts103
2 layers77.7 × 166.3 mm
Delta pico
AaronC81/delta-pico
Powerful scientific calculator based on the Raspberry Pi Pico
84 parts57MIT
2 layers36 × 36 mm
IO Expander
iNavFlight/hardware
INAV I2C IO Expander board offers 8 digital outputs.
12 parts11
2 layers50.8 × 74.9 mm
Tagger production
lucullusTheOnly/OpenLaserTag
Open Source System for the game Lasertag
42 parts7
2 layers65 × 56 mm
MiniTeleskop
cutec-chris/PiScope
Goto Telescope with Raspberry PI HQ Camera and exchangable Objective Holders for DSLR Objectives
41 parts3
2 layers50.4 × 50.4 mm
Bluepill ethernet
kellerkindt/bluepill_sensor
Bluepill stm31f103 ethernet sensor extension board with SW written in Rust
47 parts3Apache-2.0
2 layers126 × 59.5 mm
VFO BFO Si5351
loscorpione/VFO-BFO-HF-ESP32-Si5351
VFO & BFO con Si 5351 gestito da ESP32 devkit V1 per la gamma di frequenze HF, da 1 a 30 MHZ
34 parts3
2 layers152 × 93.7 mm
Bandfilter
paulh002/band-passfilter-arduino-esp32
ESP32 managed HF bandpass filyer
127 parts3
4 layers100 × 57 mm
ESP32vfo
paulh002/ESP32vfo
Disclaimer --> source code developement is in progress not all functions are migrated from the old version!
127 parts3GPL-3.0
4 layers131 × 78.5 mm
RpiPico Agriboard
R-Mutura/ANGAZA_ELIMU_PCB
ANGAZA_ELIMU_PCB
221 parts2
2 layers92.3 × 64.8 mm
Hackpad
3XAY/3XAY_HackPad
This is currently a work in progress. THIS MEANS NOTHING IS TESTED, DO NOT ATTEMPT TO USE THIS AS A GUIDE (as of now) here's the submission link if you want it
11 parts1
2 layers80 × 40 mm
IO BUTTON BOARD
74-Mathias/8_IO_BUTTON_BOARD
PCB to expand IO using I2C
139 parts1
2 layers99.8 × 99.8 mm
The claw if pizza planet was broke
askiiart/the-claw-expansion-board
expansion board for the claw
48 parts1
2 layers86.1 × 121.7 mm
OpenDeck v0
Bugatsec/OpenDeck-RP2040-v0
OpenDeck-RP2040-v0 is a DIY 9-key macro pad prototype inspired by the Elgato Stream Deck, built around the Seeed XIAO RP2040.
32 parts1MIT
2 layers139.1 × 80 mm
Alarmkeypad
docteurzoidberg/esphome-alarm-keypad
ESPhome alarm keypad project
85 parts1
2 layers98 × 187 mm
Projet
FranklinBerger/Polonise-Inverse
Projet électronique de calculatrice en Polonaise Inversse. Bassée sur un ESP32 sur firmware MicroPython, elle a été initialement conçue dans le cadre d'un stage de découverte de l'électronique durant 1 mois.
137 parts1
2 layers137.1 × 90 mm
Stepperpcb
LarsCl/DUM-E
Dynamic Unilateral Manipulator - Experimental
82 parts1
2 layers
RHOCOCO
mahjongg2/Prototype-Rhococo
Prototype of my Retro Home color computer
97 parts1GPL-3.0
2 layers78.8 × 57.9 mm
C64sid
pappavis/c64sid_i2c
Commodore63 SID 6851 chiptunes player
16 parts1
2 layers349.3 × 133.3 mm
Custom Keyboard
Susssiest/FORGE-CORE
Submitting to Keeb hackclub program.
222 parts1
2 layers104.4 × 100.2 mm
Starboi hopefully
127001-crtl/StarBoy
StarBoy is an ESP32-C3-WROOM-02 hardware project for Hack Club's Half Life.
35 partsMIT
2 layers60 × 90 mm
Videoconsola
aindustriosa/Video-consola-ESP32
Unha videoconsola portátil feita por nós, e un SDK para aprender a programar os teus propios xogos nela.
33 partsGPL-3.0
2 layers100 × 72 mm
High torque servo arm main
akornsys-rdi/high-torque-servo-arm
High torque servo arm, the system behind «Llegar a las manos» artwork
87 partsGPL-3.0
2 layers89.8 × 108 mm
Codemate v2
Aryan-git-byte/codemate-v2
[ Note: the components from the quartz component and robu are budled with my other order of different project, otherwise if u are ordering it for yourself , it will be 100 rs each ]
91 partsMIT