Two microphones 3.5 cm apart buy 4.76 dB of diffuse-noise rejection at 500 Hz – and amplify independent self-noise 19.6x. Aomway works the numbers.
Two-Mic Superdirectivity: The Hidden Cost of a Narrow Beam Read More »
A MATLAB script for a circular concentric-ring phased array at 10 GHz: steer the beam by changing theta0 and phi0, with 2D/3D patterns and a CSV export.
MATLAB Circular Phased Array Antenna: Beam Scanning Code Read More »
Flash the ESP32-S3 LiteWing quadcopter with Betaflight firmware – remap the GPIOs, fix IMU orientation, wire ELRS, then add LoRa edge vision.
ESP32-S3 Drone Build: LiteWing on Betaflight Firmware Read More »
MediaPipe classifies 521 sounds in 12-15 ms on a Pixel 7 with a 3.7 MB YAMNet model – a look inside the mel spectrogram and WordPiece pipelines.
MediaPipe Audio & Text: On-Device Feature Engineering Read More »
FlyDrones wires the 166,691-neuron MaleCNS fruit fly connectome into a drone — fly it in your browser in 10 seconds, or build a real one for roughly 500 RMB.
FlyDrones: A Fruit Fly Brain Flies a Drone in Your Browser Read More »
How quadcopter propellers work: total thrust sets climb and descent, differential thrust sets pitch and roll, and torque balance sets yaw. A 2026 guide.
How Quadcopter Propellers Work: Lift, Pitch, Roll & Yaw Read More »
Porting a quadcopter attitude controller from MATLAB to MWORKS: what changes, what does not, and why 1 ms fixed-step PID gains need no retuning.
Porting a Quadcopter Attitude Controller to MWORKS Read More »
YOLO model compression explained: add SE attention, then distill, prune, and INT8 quantize to cut size and latency, plus tracking and multi-task tricks.
YOLO Model Compression: Distillation, Pruning, Quantization Read More »
Mercury is an open-source transforming drone that flies as a quadcopter and drives on the ground on its propeller guards, plus a replication checklist.
Mercury Transforming Drone: Open-Source Fly-and-Drive UAV Read More »
Antenna gain and length explained: dB, dBm, and watts, wavelength math, and why a passive antenna can still focus energy into real gain, plus VSWR tips.
Antenna Length and Gain Explained: dB, dBm, and Watts Read More »
