wiFred

wiThrottle-compatible hardware controller

This repo contains schematics, PCB and documentation for the wiFred, a wiThrottle-compatible WiFi hardware controller developed to unchain the Fremo Fred 1 / Fredi 2 from its loconet cable.

Branch information

Several versions are contained in different branches:

• master branch: Designed to fit into Strapubox 2090 housing, powered by a lithium battery, hardware: ESP32-S2-WROOM, THT pushbuttons
  • rev0.6 (initial)
  • rev0.62 (switched USB connector to USB-C)
  • rev0.63 (replaced constant current source for flashlight with charge pump, replaced a few out-of-stock parts)
  • rev0.64 (added silk-screen text for LEDs and colored buttons, moved flashlight LEDs further apart, added twist protection for direction switch)
  • Latest Firmware: https://github.com/newHeiko/wiFred/blob/master/software/pre-compiled/2022-10-16-71ca8c3-master.bin
• esp12 branch: Designed to fit into Strapubox 2090 housing, powered by a lithium battery, hardware: AVR ATMega328P plus ESP12F, SMD pushbuttons
  • rev0.4
  • rev0.5 (Added flashlight)
  • rev0.51 (Fixed silkscreen on PCB)
  • Latest Firmware: https://github.com/newHeiko/wiFred/blob/master/software/pre-compiled/2022-10-16-12d81f3-esp12.bin
• esp12-newAVR branch: Same hardware as esp12 branch, but with improved communication protocol between AVR and ESP12F.
  • Latest Firmware: https://github.com/newHeiko/wiFred/blob/master/software/pre-compiled/2022-10-16-ff2c954-esp12-newAVR.bin to go with: https://github.com/newHeiko/wiFred/blob/master/software/pre-compiled/2022-10-16-3107ec2-esp12-newAVR.hex
• newAgeEnclosures branch: No longer developed, designed for New Age Enclosures Compact AA housing, powered by 2x AA cells, hardware: AVR ATMega328P plus ESP12F, SMD pushbuttons
• AABatteryPrototype branch: No longer developed, designed for Strapubox 6090 housing, powered by 2x AA cells, hardware: AVR ATMega328P plus ESP12F, SMD pushbuttons, very tight fit requires multiple modifications to Strapubox housing