Deep-Sleep on SensorRig — Real Raspberry Pi Sensor Monitoringhttps://sensorrig.com/tags/deep-sleep/Recent content in Deep-Sleep on SensorRig — Real Raspberry Pi Sensor MonitoringHugoen-usSun, 16 Aug 2026 00:00:00 +0000ESP32-C3 Deep Sleep Current: What the Datasheet Doesn't Tell You About Your Dev Boardhttps://sensorrig.com/posts/esp32c3-deep-sleep-current-real-measurement/Sun, 16 Aug 2026 00:00:00 +0000https://sensorrig.com/posts/esp32c3-deep-sleep-current-real-measurement/The ESP32-C3 datasheet specifies a deep-sleep current of approximately 5–7 µA with the RTC timer on (ESP32-C3 Technical Reference Manual, Section 3.5.3). On my Seeed Studio XIAO ESP32C3, that number is useless. My node is part of a 100-yard shed link running off a 12 V solar panel and a tractor battery, connected to the house over an HC-12 433 MHz serial radio, and the XIAO’s on-board components keep the MCU from ever approaching the silicon floor.