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- Wed Nov 01, 2023 6:34 pm
- Forum: Hardware
- Topic: espressif/onewire_bus: esp_err_t 0x105 (ESP_ERR_NOT_FOUND)
- Replies: 0
- Views: 801
espressif/onewire_bus: esp_err_t 0x105 (ESP_ERR_NOT_FOUND)
Hi, This feels like a hardware issue, although it can be software. I created a very simple board using veroboard and a ESP32-DEV-CH340-C board. My basic setup is: Three DS18B20 temperature sensors connected to GPIO_NUM_4. Two opto isolated relays A 18650 Bat Holder + Charger for UPS (5V in, 5V out) ...