Croaster

Coraster is device for monitoring coffee roaster machine with Croaster App and can be connect with Artisan Reoaster Scope

Build Your own Croaster now.

---

Component

• NodeMCU ESP8266
• MAX6675 x2
• Thermocoule
• 2x16 LCD Display with I2C Interface
• DHT11
• Jumper Cable - F to F

App

• Arduino IDE or
• Platform IO
• NodeMCU PyFlasher if you want to flash .bin file (for windows or macOS), or if you are using using linux you can use esptool

. BIN Files

Libraries Dependencies

• ESP 8266
• LiquidCrystal_I2C
• MAX6675_Thermocouple
• WiFiManager
• Adafruit_BusIO
• Adafruit-GFX-Library
• Adafruit Unified Sensor
• WebSockets
• DHT sensor library

Wiring

2x16 LCD Display with I2C

LCD Dispaly		NodeMCU
GND	<=>	GND
VCC	<=>	3V
SCL	<=>	D1
SDA	<=>	D2

DHT 11

DHT 11		NodeMCU
GND	<=>	GND
VCC	<=>	3V
DATA	<=>	D4

MAX6675 #1 (for ET)

MAX6675		NodeMCU
GND	<=>	GND
VCC	<=>	3V
SCK	<=>	D8
SO	<=>	D7
CS	<=>	D6

MAX6675 #2 (for BT)

MAX6675		NodeMCU
GND	<=>	GND
VCC	<=>	3V
SCK	<=>	D8
SO	<=>	D7
CS	<=>	D5