Ratti3
Published © GPL3+

LED Matrix NTP Clock with DS3231, BME280, BH1750 & ESP01

Modified exisiting project to include some sensors and extra buttons. Can use ESP01 to set time via NTP.

BeginnerFull instructions provided15,543
LED Matrix NTP Clock with DS3231, BME280, BH1750 & ESP01

Things used in this project

Hardware components

Arduino Nano R3
Arduino Nano R3
×1
DS3231MPMB1 Peripheral Module
Maxim Integrated DS3231MPMB1 Peripheral Module
The cheap one on Ebay, with the resistor removed to stop battery from exploding
×1
SparkFun Atmospheric Sensor Breakout - BME280
SparkFun Atmospheric Sensor Breakout - BME280
The cheap one from Ebay
×1
BH1750 Light Sensor
From Ebay
×1
Max7219 32x8 LED Matrix
×1
Capacitor 10 µF
Capacitor 10 µF
×2
ESP8266 ESP-01
Espressif ESP8266 ESP-01
Optional if you want time set via NTP
×1
LM3940IT3.3
3.3v LDO Regulator for ESP01
×1
Level Shifter Board
SparkFun Level Shifter Board
Needed by ESP01
×1

Story

Read more

Schematics

Fritzing

There was no BH1750, it connects the same way as BME280

Code

Ratti3's Github

Credits

Ratti3

Ratti3

2 projects • 10 followers

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