History
REV4.0 - Jan 22 2024:
- Added support for Toradex Verdin iMX8M Plus module with USB-C, HDMI, LVDS, I2C, I2S, MPI-CSI and SD Card interfaces
- Added support for WiFi modules; add-on boards with esp32 and esp32-s3 modules are available
- Added TPS61052 flash LED driver
- Added MAX9814 microphone amplifier for headsets
- Added hardware mute switch for microphone with microphone activity LED indicator
- Improved camera interface — it now supports both central MCU and app-module camera interface
- ArduCAM camera adapter add-on board is available
- Added GPIO support for external buttons
REV3.5 - Apr 14 2023:
- Added PCM1770 headphone amplifier
- Added MAX9700 amplifier for BT817 audio
- Replaced PCA9536 I/O expander with two FXL6408
REV3.2 - Sep 23 2022:
- Added PCA9536 I/O expander for audio signals (stereo/mono and speaker gain controls)
- Added I2S interrupt trigger pin and I2S serial data input/output multiplexers
REV3.1 - Dec 23 2021:
- Added missing pull-up/pull-dn resistors
- Improved input power section
- Improved audio section
- Improved stability of add-on boards
- UART signals are routed through audio mux instead of I2C signals
- Adjusted FFC connector positions on display adapter for proper display fit
REV3 - Oct 1 2021:
- Touch controller is routed to FE310 instead of BT817
- Added sound multiplexer between amplifier and phone jack/speakers
- Added BT817 sound connector
- Changed amplifier volage to 5.0V from BQ25895 boost converter
- Added console connector and power/reset/alt boot switches for i.MX8
- Added schottky barrier rectifier for BQ25895
REV2 - Mar 29 2021:
- Replaced FT813 with BT817 display/touch controller BT817 24bit parallel output is serialized using DS90C185 i.MX8M LVDS output and BT817 output are multiplexed using TS3DV520E
- Added 2nd MAX98357A amplifier for stereo sound
- Added FT230X USB to UART interface. Allows programming both fe310 and esp32 without JTAG programmer
- Added LSM9DS1 accelerometer/gyroscope/magnetometer sensor