ESP32-controlled, independently powered single-channel 1S LiPo DC load-step measurement front end intended for later multi-channel expansion.

ESP32-controlled, independently powered single-channel 1S LiPo DC load-step measurement front end intended for later multi-channel expansion.

Single-channel analog front-end for a 40 kHz air-coupled ultrasonic receiver using a 5 V single supply, buffered 2.5 V mid-reference, protection, gain, band-pass shaping, and ADC-ready output centered at VREF.

Single-channel Universal Input schematic with LM76202 field protection, AD7708 ADC measurement core, CD4066 mode switching, HC595 control mapping, and comparator-backed digital input support for DI, analog, 0-10 V, 0-20 mA, resistance, RTD, and thermistor modes.

Single-channel 12-24V LED strip dimmer with ESP32-WROOM BLE control, hall pairing input, red status LED, and safe-fail 220VAC protection strategy

Single channel bidirectional brushed motor driver

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