
GR Subscriber Line Interface Module
GadgetReboot/Phone_SLIM
POTS Telephone Subscriber Line Interface Module
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

GadgetReboot/Phone_SLIM
POTS Telephone Subscriber Line Interface Module

GadgetReboot/KS0835F_Phone_SLIC
KS0835F phone line SLIC module breakout pcb

GadgetReboot/ESP32-A1S
Breakout PCB for the ESP32-A1S module including an audio amp and basic GPIO headers, USB interface




GadgetReboot/WiFi_Current_Transformer
ESP8266 based current transformer interface

GadgetReboot/misc_file_bin
Random files that don't belong anywhere in particular for one-off archiving

GadgetReboot/Atari_2600_Video_Mod
Convert Atari 2600 from RF to Composite video and audio with RCA jacks

GadgetReboot/GR_StepperIO
Dual Stepper module PCB with Arduino Pro Micro, PCF8574, and various sensor/switch IO's

GadgetReboot/DTMF_Decoder
MT8870 DTMF decoder for POTS phone line interfacing


GadgetReboot/AVR_Programmer
Atmel AVR programmer based on Arduino Pro Micro, intended for development into ISP and HVSP using various AVR programming interfaces and protocols.





GadgetReboot/MCP23017_Eval
Demo pcb for MCP23017 with 8 relays, 4 buttons, and 4 spare IO header pins

GadgetReboot/Super_Mini_Mega_Tester
40 Pin Cable Tester platform using ESP32-C3

GadgetReboot/USB_Serial
3.3v/5v CH340 USB to UART interface with all flow control and indicator signals broken out

GadgetReboot/8ChLED
8 Addressable LEDs show logic input high/low states for easy probing

GadgetReboot/AllPass_OpAmp
Dual op amp all pass filters for breadboarding of phaser effects

GadgetReboot/ATTiny_LFO
Dual low frequency oscillators using ATTiny and MCP4725 DACs

GadgetReboot/Breadboard_Buddy
PCB with power supplies, audio amp, LEDs, pots and level shifters to make breadboarding easier.