A CANBUS module with ESP32. ## Features * ESP32 CPU with dual core and 4/8 MB FLASH memory * Bluetooth, WiFi, MQQT, CANBUS * 2 relays, 10 amp * 2 FETs, 2 amp * 2 NEOPIXEL LEDs for indication * 4 three state digital inputs, 0/float/12 * 1 current input 4-20mA * 1 DS18B20 bus for multiple temp sensors ## Versions ### CANMOD MINI v1 First version ordered at 2021-08-21, found no boards. ### CANMOD MINI v2 Green PCB, 3206207AP4-211106 **Bugfixes from v1** - DTR and RTS swapped in U3. - R1 and R2 changed place. - Remade copper area - Added resistor to code version, sensor_vn - Moved ESP32 to use recommended location on PCB - Added a few capacitors and replaced SMD 10u with hole mounted - Fixed power and sleep pin to CANBUS driver ### CANMOD MINI v3 Black PCB, 3206207A-Y24-220426 **Bugfixes from v2** - C1 and C2 in parallel - TWIR not ok on GPIO2, moved to GPIO19 added jumper - TWIT not ok on GPIO15, moved to GPIO23 added jumper - New capacitor on EN to GND - Jumpers for CANBUS driver supply - Removed 10k on CANBUS-driver - Added one more NEOPIXEL and a 50u cap - Added logos, QR-code and openhardware on silk - Use 4-layer PCB layout - Added protection diodes on FETs - Moved i2c connector - Smaller terminal holes 1.3mm ### Ideas for CANMOD MINI v4 - Smaller terminal holes on some screw terminals