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Datei
SHT21.c
************************************************************/ sht21_humi_val = sht21_humi_val / 2^16; sht21_humi_val = sht21_humi_val * 175.72; sht21_humi_val = -46.85 + sht21_humi_val; return sht21_humi_val; } } /***************************************************
in „SHT21 auslesen mit I2C Lib von P.Fleury“ · Mikrocontroller und Digitale Elektronik ·
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Datei
app.c
void APS_DataConf(APS_DataConf_t *confInfo); static void initTransmitData(void); static uint16_t sht21TempDataBig; static uint16_t sht21HumDataBig; uint8_t sht21Temp_txt[8]; uint8_t sht21Hum_txt[8]; uint8_t sht21TempHum_txt[17]; static AppState_t appstate=APP_INIT_STATE; struct { uint8_t command[1];
in „Convert Hex CS_UID to ascii and write to UART“ · µC & Digital Electronics ·
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Datei
SHT21.c
; i2c_start_wait(SHT21write); i2c_write(0b11111110); //soft reset _delay_ms(20); //wait for the sht21 to reboot i2c_rep_start(SHT21write); i2c_write(0b11100110); //enter config register /*********************************
in „SHT21 auslesen mit I2C Lib von P.Fleury“ · Mikrocontroller und Digitale Elektronik ·
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Datei
SHT21.h
void sht21_init (int resolution, int end_of_batt, int OCH, int OTP_r); int get_sht21_data_str (int measuretype, int holdmode, int crcmode); int convert_sht21_str_sht21_val (int data); #define SHT21 0x40; //for
in „SHT21 auslesen mit I2C Lib von P.Fleury“ · Mikrocontroller und Digitale Elektronik ·
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Datei
SHT21.h
#define SHT21_CMD_MEAS_T_NO_HOLD 0xF3 #define SHT21_CMD_MEAS_RH_NO_HOLD 0xF5 #define SHT21_I2C_ADR 0x80 #define SHT21read 0b10000001 #define SHT21write 0b10000000 //for the config register //measuring solution #
in „SHT21 auslesen mit I2C Lib von P.Fleury“ · Mikrocontroller und Digitale Elektronik ·
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Datei
sht21.c
#include <stdint.h> #include "main.h" #include "sht21.h" #include "i2c.h" #include <util/delay.h> uint8_t sht21_read(int8_t* temperature, int8_t* humidity) { uint8_t low, high; uint16_t temp; // read temperature i2c_start(); if (!i2c_write(SHT21_I2C_ADR
in „SHT21 auslesen mit I2C Lib von P.Fleury“ · Mikrocontroller und Digitale Elektronik ·
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PDF
Sensirion_Humidity_SHT21_Datasheet_V4.pdf
information such as Application Notes is 1.0 1.0 NC VSS SDA available from the web page www.sensirion.com/sht21. For more information please contact Sensirion via info@sensirion.com. Figure 1: Drawing of SHT21 sensor package, dimensions are given in mm (1mm = 0.039inch), tolerances are ±0.1mm. The For SHT2x
in „Rechnung mit dem PIC16F“ · Mikrocontroller und Digitale Elektronik ·
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PDF
Sensirion_Humidity_SHT21_Sample_Code_V1.2.pdf
Sample Code for SHT21 Supporting Communication Software Preface This sample code is made to communicate with SHT2x CRC checksum control, set resolution, read serial humidity and temperature sensors. The purpose of the number
in „SHT11 SHT21 unterschiedliche Luftfeuchte Werte“ · Mikrocontroller und Digitale Elektronik ·
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Datei
sht21.h
#define SHT21_CMD_MEAS_T_NO_HOLD 0xF3 #define SHT21_CMD_MEAS_RH_NO_HOLD 0xF5 #define SHT21_I2C_ADR 0x80 uint8_t sht21_read(int8_t* temperature, int8_t* humidity);
in „SHT21 auslesen mit I2C Lib von P.Fleury“ · Mikrocontroller und Digitale Elektronik ·
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Datei
I2CwithISR.c
#include "msp430x22x4.h" #define BMP085 0 #define SHT21 1 unsigned char sensor; // sensor: übergabevariable zu obigen defines #define TEMP 0 #define HUMI 1 #define PRESS 2 unsigned char mmode; // messmodus: übergabevariable zu obigen defines unsigned short
in „msp430f2274 bmp085 i2c ohne interrupt“ · Mikrocontroller und Digitale Elektronik ·
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Datei
UARTProtokoll.c
include <util/delay.h> #include <string.h> #include <avr/eeprom.h> #include "TWI_I2C.h" #include "SHT21.h" #include "lcd-routines.h" #include "ADW.h" #include "LM75.h" /* Struct für das UART Protokoll */ volatile struct { uint8_t control; uint16_t data; } uart_datas; #include "UART.h" /* Overhead Functions
in „Timer1 im CTC und LCD Probleme“ · Mikrocontroller und Digitale Elektronik ·
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Bild
Zwei offene Kartons mit Elektronikkomponenten und Kabeln
CAUTION SHT 21 45 SHT 30 31 SHT 40 41 45
in „[V] 2x I2C Temperatur/Feuchte Sensor FS400-SHT35“ · Markt · · Fotos
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Datei
Datalogger_main.c
include <avr/io.h> #include <avr/eeprom.h> #include "i2c_functions.h" #include "usart.h" #include "sht21.h" #include "RV_8564_C2_functions.h" #include "24Cxx_functions.h" #include <util/delay.h> #include <avr/interrupt.h> #include <avr/sleep.h> volatile unsigned long i=0; volatile unsigned long adress_max
in „ATMega88 UART nimmt erst zweites Zeichen an“ · Mikrocontroller und Digitale Elektronik ·
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PDF
Schaltplan.pdf
1 SDA I 4 5 1 2 N +3V3 VDD GND 3 4 G 100n 6 GND CAP1203 SCL 2 ISP1 D VSS N +5V 2 VCC MISO 1 n 5 G SHT21 4 MOSI SCK 3 0 C GND D 6 GND RST 5 A4_SDA 1 N A5_SCL G RXD TXD A3_VSENS D3_RG+ A6_G1188 D23_TRIG D22_ECHO +5IOO +9V +9VBUF D9-EXTOFF +9V IC2 JP1 16 AIN1 NSLEEP 1 0 6 G D2 1 2 2 R 5 15 AIN2 AOUT1 2
in „Schaltplan richtig zeichnen“ · Mikrocontroller und Digitale Elektronik ·
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PDF
can_g1251_v02_12f.eagle7.sch.pdf
HGND GND (MOSI1/T3/ADC7)PE3 C17 1 3 1 100n 100n ATMEGA328PB-AU SDA 3 100n 6 J SCL GND 2 VSS 4 2 GND SHT21 GND RXD TXD A3_VSENS DRV D3_RG+ A6_G1188 +5VIO D23_TRIG IO D9-EXTOFF D22_ECHO IO +9V +3V3 +9V +9VBUF 6 k IO IO A1_H1_CS DRV8833 D2 1 0 +5V R 2 +5VIO +3V3 JP1 GMBRS130LT3 IC4 D6_AI1 16 AIN1 NSLEEP 1
in „Schaltplan richtig zeichnen“ · Mikrocontroller und Digitale Elektronik ·
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PDF
Schaltplan_2.pdf
CAP1203 u L 2 0 9 BI2 2 1 D C 1 20 (OC0B/T1)PD5 10 AI1 VSS N AREF (OC0A/AIN0)PD6 11 AI2 1 k 1 k GND SHT21 G 18 (AIN1)PD7 R 2 R 2 0 1 AVCC 3 1 C GND (SDA1/ICP4/ACO)PE0 SDA C18 C16 5 4 VCC (SCL1/T4)PE1 6 SCL + (SS1/ICP3/ADC6)PE2 19 100n 100n GND 5*2 GND (MOSI1/T3/ADC7)PE3 22 N$6 RXD ATMEGA328PB-AU TXD D3
in „Schaltplan richtig zeichnen“ · Mikrocontroller und Digitale Elektronik ·
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PDF
can_g1251_v02.eagle7_Falk.sch.pdf
N$6 A4_SDA 2 C2 100n 100n GND (MOSI1/T3/ADC7)PE3 A5_SCL D VSS D10n D D D G N N N N ATMEGA328PB-AU SHT21 220k 4k7 G G G G RXD A3_VSENS TXD D3_RG+ A6_G1188 +9VBUF +5IOO D23_TRIG +9V D2 D22_ECHO I MBRS130LT3 Q3 3 V +5V IRLML6244 3 + +9V IO+ IO D5 IC2 I JP1 PMEG2005EG D9-EXTOFF D6_AI1 16 AIN1 NSLEEP 1 5
in „Schaltplan richtig zeichnen“ · Mikrocontroller und Digitale Elektronik ·
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PDF
Taz_Altium_Version.pdf
NL 10OSI PIISP04 MOSI SCK PISP10 ND30SCLK CAP1203 PI30 PR0 Re stt PIISP06 GND RST PISP10 Reset +5V SHT21 10k PI52 PI11 GND GND GND 0 CC5 1 C Power Driver I/O Connectors IC2 +9V VDD AIn1 IPC016 PIIC01 H1_CS AIN1 NSLEEP PMEG2005EG D2 AIn2 PIIC015 AIN2 AOUT1 PIIC02 PI4PD0C NLM_0Out1 D4 P02 PI CC3 14 3 VCCIO
in „Schaltplan richtig zeichnen“ · Mikrocontroller und Digitale Elektronik ·
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PDF
DiscoveryF3_adap.pdf
C0 S3B-ZR PC5_UART1_RX PIJ426 35 PIJ4035PF4 Label: SAT PC4_ADC2_IN5 PIJ427 34 PIJ4034PC1_I2C2_EOC SHT21 GND PC2_SD_SW PIJ428 33 PIJ4033PC3_ADC12_IN GND VCC3V SD Card VCC5V PIJ429 32 PIJ4032 VCC3V PIJ430 31 PIJ4031 Power C2 P02 P02 P8P 02 AUX Vbat C171 COC COR 1PIP8011 VDD PIP804 COR1 C0 10uF P01100nF
in „[V] STM32F3 Discovery + Adapterboard für ein FlyingF3 (FlightControl) mit der Taulabssoftware“ · Markt ·
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Datei
armbian_modules.txt
ads7871 adt7310 atxp1 w83773g adm1031 gl520sm adm1026 ad7314 adm1021 tmp421 max1111 f71882fg ina209 sht21 jc42 pcf8591 vt1211 sht15 hwmon-vid ds620 ntc_thermistor adt7462 lm92 ads1015 lm77 ltc2945 lm70 max6639 max31722 w83793 lm75 tc74 pc87427 ina3221 w83795 lm90 lm95241 nct7904 hih6130 lineage-pem sch5627
in „Samba auf Banana Pi Pro installieren“ · PC Hard- und Software ·
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PDF
Sensirion_Humidity_Sensors_SHT25_Datasheet.pdf
The end of battery alert is activated when the battery 5.7 CRC Checksum power falls below 2.25V. SHT21 provides a CRC-8 checksum for error detection. The heater is intended to be used for functionality The polynomial used is x + x + x +1. For more details diagnosis – relative humidity drops upon rising
in „SHT25 Feuchteanzeige über 100%“ · Mikrocontroller und Digitale Elektronik ·
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Datei
modules_install_file_list_LK5.2-RC2.txt
sch5636.ko INSTALL drivers/hwmon/sch56xx-common.ko INSTALL drivers/hwmon/sht15.ko INSTALL drivers/hwmon/sht21.ko INSTALL drivers/hwmon/sht3x.ko INSTALL drivers/hwmon/shtc1.ko INSTALL drivers/hwmon/sis5595.ko INSTALL drivers/hwmon/smsc47b397.ko INSTALL drivers/hwmon/smm665.ko INSTALL drivers/hwmon/smsc47m1.
in „Linux Kernel 5.1.1. auf dem BPi-R2“ · PC Hard- und Software ·
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Datei
config-mod-LK511-mt7623n-BPiR2.txt
CONFIG_SENSORS_PCF8591=m # CONFIG_PMBUS is not set CONFIG_SENSORS_PWM_FAN=m CONFIG_SENSORS_SHT15=m CONFIG_SENSORS_SHT21=m CONFIG_SENSORS_SHT3x=m CONFIG_SENSORS_SHTC1=m CONFIG_SENSORS_SIS5595=m CONFIG_SENSORS_DME1737=m CONFIG_SENSORS_EMC1403=m CONFIG_SENSORS_EMC2103=m CONFIG_SENSORS_EMC6W201=m CONFIG_SENSORS_SMSC47M1
in „Linux Kernel 5.1.1. auf dem BPi-R2“ · PC Hard- und Software ·
