2 Sets 50kg Load Cell E-Shaped Weighing Sensor Strain Half-Bridge Sensor + HX711 A/D Amplifier Weight Module DIY Kit (50KG, HX711)

Used in a project either an esp32s3 and they interfaced easily and work well. Driven with the 3.3v Vcc.

Purchased the 10 kg versions. Load cells and HX711 were used with an ESP32 at 3.3V with no issues, and typical accuracy and precision expected. However, took off a star because of misleading information on threaded mounting holes. The design drawing specified two M4 and two M5 threaded holes. All the holes on the 10 kg cells were M4-0.70 threads.

Funciona perfectamente con los módulos de arduino.

The load cells work to 20kg, and are relatively linear. My only complaint is the circuit board that came with it. It has good resolution (24 bits) and good gain, but the sample rate is fixed at 100ms. The chip is even capable of higher than that (12.5ms) but the PCB design has hard-wired it to be locked at the slower rate for some reason.

When I connected the two sensors and started taking measurements I noticed that one had much greater measurement noise than the other. Ex: one might read 500 +/- 10 on average while the other was reading +/- 10000 or more. I wanted to use the two of them together to make a larger scale, but the excess noise would hurt the accuracy.

Nice weight measure (this one is the lowest cost I could find). Simple soldering to attach the headers to the electronics board, instructions in the Amazon product help match the wires, I crimped on some dupont connectors I had laying around for easy on/off, then I 3d printed a small base to easily attach a M4 screw at one end, and allow the other end with the arrow sticker to be free floating so the weight can measure. Was easy to find an Arduino library to read, calibrate, and tare the value.Cannot wait to build this into a robot weight measuring device for my robot club. We use a commercial one right now, but a DIY project fits our club way better than a store bought solution.

Rate is NOT selectable as stated in the description. It only samples at 10SPS and there is no way to change it to 80SPS. Seller sent me to a GitHub page as an answer to this question but there is no info on rate in the github link.

Load cells work well but the schematic for the HX711 pcba is wrong. Also, it is missing a trace to ground the chip.