fuiru
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fuiru Thanksfor the detailed comment! I had not realized that the connector wasn't using the typical Grove pinout. Luckily, I came here to check the sensor types before plugging anything in. I was able to rearrange the pins inside the connector on one side, so that the colors match and one can plug the other end into a standard Grove I2C port. I've marked the connector, so that hopefully I'll remember that it's no longer a straight cable.

BG451141513 08/12/2021
I am very happy with this so far. It works well with my ESP32S (ESP-WROOM-32) using I2C. My only complaint is the color of the wires. The SCL connection is on the white wire, the GND connection is on the yellow wire, the SDA connection is on the red wire, and the VDD connection is on the black wire. I really wish the ground was black and the VDD was red. So far I have tried the SparkFun library
AHT20+BMP280 High Precision Digital Temperature and Humidity Atmospheric Pressure Sensor Module with Connect Cable for Arduino
AHT20+BMP280 High Precision Digital Temperature and Humidity Atmospheric Pressure Sensor Module with Connect Cable for Arduino
US$3.99 US$9.99
2
Comments (4)

fuiru I no longer have the packaging and shipping label. Photos of the product don't help either. I'm just trying to help other customers fix the problem with the HX711 PCB included in this bundle. You can verify if the HX711 board has a problem by using a multimeter to measure the resistance between GND and E-. Those should be connected (see HX711 datasheet). The other board on Banggood (p1039638) is designed well and has this connection.

fuiru 01/08/2018
I was able to get this working very quickly, but the values coming from the HX711, with no load on the bar, kept drifting very significantly. After a long troubleshooting session, I found out that the HX711 print has a major design flaw. They forgot to connect the AGND pin of the HX711 to GND, so it's just floating in the air, explaining the drifting. This can be fixed by soldering a wire between
HX711 Module + 20kg Aluminum Alloy Scale Weighing Sensor Load Cell Kit
HX711 Module + 20kg Aluminum Alloy Scale Weighing Sensor Load Cell Kit
US$6.99 US$13.99
10
Comments (3)

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