Open bigoper opened 4 years ago
Hi Mongoose-os-apps team, I could really use your help here.
Unable to connect to the sensor
[May 13 17:49:45.237] esp_main.c:172 app1 1.0 (20200514-003229) [May 13 17:49:45.242] esp_main.c:174 Mongoose OS 2.17.0 (20200514-003228/2.17.0-gc31a745) [May 13 17:49:45.248] esp_main.c:178 CPU: ESP8266EX, 160 MHz, RAM: 51448 total, 48884 free [May 13 17:49:45.256] esp_main.c:180 SDK 2.2.1(1247cc5); flash: 4M TRUNCATED... [May 13 17:49:45.479] mgos_sys_config.c:232 Loading conf9.json TRUNCATED... [May 13 17:49:45.515] mgos_deps_init.c:234 init i2c... [May 13 17:49:45.518] mgos_i2c_gpio_maste:250 I2C GPIO init ok (SDA: 0, SCL: 4, freq: 100000)
[May 13 17:49:48.030] mgos_i2c_gpio_maste:196 write 1 to 119, stop? 1 [May 13 17:49:48.036] mgos_i2c_gpio_master:72 addr 0x77, mode W => ab 0xee [May 13 17:49:48.039] mgos_i2c_gpio_maste:128 sent 0xee, recd NAK [May 13 17:49:48.044] mgos_i2c_gpio_master:99 stop [May 13 17:49:48.047] mgos_i2c_gpio_maste:169 read 1 from 119, start? 1, stop? 1 [May 13 17:49:48.050] mgos_i2c_gpio_master:72 addr 0x77, mode R => ab 0xef [May 13 17:49:48.056] mgos_i2c_gpio_maste:128 sent 0xef, recd ACK [May 13 17:49:48.061] mgos_i2c_gpio_maste:156 recd 0x00, sent NAK [May 13 17:49:48.064] mgos_i2c_gpio_master:99 stop [May 13 17:49:48.074] BME280 sensor NOT found! ------------------------------------- [May 13 17:49:48.081] Cant find a sensor [May 13 17:49:48.087] --------------------- -------------------------------------
VCC -> PIN 3v GND -> GND SDA -> GPIO4 SCL -> GPIO0
$ mos call i2c.Scan [ 119 ] Command completed.
119 -> 0x77
Hi Mongoose-os-apps team, I could really use your help here.
ISSUE
Unable to connect to the sensor
SYSTEM
ERROR
WIRING
VCC -> PIN 3v GND -> GND SDA -> GPIO4 SCL -> GPIO0
TROUBLESHOOTING
QUESTION