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Pinback 28/03/2016
Bought 6 sets of 5 (total 30 units) for a class I will be teaching. Banggood advised me that they were out of stock but would be available in 10 days. They asked if I wanted to cancel the order or wait. I chose to wait. Eight days later an email notified me that they would be shipped by express mail. I received them in good order 18 days after I ordered them. Very good! Thank you Banggood. Please note that the I2C address for these units is 3F. They are 5Volt units so you must use a bi-directional level converter like product 951145 if you use an ESP8266 or other 3.3V MCU.
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