Created
August 7, 2026 02:51
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ads1232 loadcell amp 24bit not yet test
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| #define _dout 6 | |
| #define _sclk 7 | |
| #define _pdwn 8 | |
| #include "ADS1232.h" | |
| ADS1232 weight = ADS1232(_pdwn, _sclk, _dout); | |
| void do_calibration() { | |
| long t_new_offset = 0; | |
| long t_raw_read = 0; | |
| float t_set_scale_value = 0; | |
| float t_weight = 0; | |
| // Reset to default values | |
| weight.OFFSET = 0; | |
| weight.SCALE = 1.0; | |
| // Tare: read baseline offset (empty scale) | |
| t_new_offset = weight.raw_read(3); | |
| weight.OFFSET = t_new_offset; | |
| Serial.print("Calibration offset = "); | |
| Serial.println(weight.OFFSET); | |
| Serial.println("You have 10 seconds to put a 2L CocaCola bottle on scale..."); | |
| delay(10000); | |
| // Read raw value with 2kg load | |
| t_raw_read = weight.raw_read(3); | |
| Serial.print("Units read = "); | |
| Serial.println(t_raw_read); | |
| // Calculate SCALE using NET raw counts (Loaded value - Offset) divided by known weight (2.0 kg) | |
| t_set_scale_value = (float)(t_raw_read - t_new_offset) / 2.0; // Divide by the weight of the CocaCola bottle (2 kg) | |
| weight.SCALE = t_set_scale_value; | |
| Serial.print("Calibration scale value = "); | |
| Serial.println(weight.SCALE); | |
| // Read calibrated weight | |
| t_weight = weight.units_read(3); | |
| Serial.print("Weight = "); | |
| Serial.println(t_weight); | |
| } | |
| void setup() { | |
| Serial.begin(9600); | |
| weight.power_up(); | |
| do_calibration(); | |
| } | |
| void loop() { | |
| Serial.println(weight.units_read(3)); | |
| delay(1000); | |
| } |
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