ESP32 / ESP-IDF IoT reference projects with MQTT, OTA updates, power management and hardware integration from the AIoT Workshop book series.
AERIS-10 is an open-source, low-cost 10.5 GHz phased array radar system featuring Pulse Linear Frequency Modulated (LFM) modulation. Available in two versions (3km and 20km range), it's designed for researchers, drone developers, and serious SDR enthusiasts who want to explore and experiment with phased array radar technology.
swzhangf
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Open-source passive multi-band RF monitoring system | 855–925 MHz, 2.4 GHz, 5.8 GHz | Rev C first prototype
800mV-5.5Vin <5W high efficiency MPPT battery charger with autonomous perturb and observe set point adjustment
800mV-5.5Vin <5W high efficiency MPPT battery charger with autonomous perturb and observe set point adjustment
800mV-5.5Vin <5W high efficiency MPPT battery charger with autonomous perturb and observe set point adjustment