A project for developing super capacitor charger for Robogrinder.
Author: elin
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6s 18650 battery charge and discharge protection
A battery protection board. Include 6 18650 lithium batteries. Tested voltage 24v, 120w output is ok.
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Robogrinder: high-power DCDC buck converter and terminal adapter
It’s a finished project for Robot development for Robogrinder: an undergraduate engineering design team at Virginia Tech that competes in the DJI RoboMaster University Championship.
This project is aimed at providing power to mini-pc, ammo system, and gimbal system. These boards are used in the current competition. Details will not be talked about because of security reasons.
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INA226 voltage and current detector
INA226 voltage and current detector module, easy plugin and easy to setup, I2C connection between module and MCU
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STC8a8k development kit
STC8a8k development board with OLED screen and buttons.
lc12s(wireless uart module) and tb6612fng(12v motor driver) are embedded in this board. USB type-c socket for download.
elin66alpha/stc8a8k-44pin-Starter-Code: stc8a8k-44pin-Starter-Code (github.com)
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Type-C serial to USB adapter
Very small package of UART USB adapter.
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Raspberry 3b with face recognition, camera following face
Implemented on raspberry 3b with python, opencv2. Detects the face and feedback on the position, Through the gpio, adjust the servo to aim at the face.
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A very basic camera test code on OpenCV
import numpy as np import cv2 cap = cv2.VideoCapture(0) cap.set(3,640) # set Width cap.set(4,480) # set Height while(True): ret, frame = cap.read() cv2.imshow('frame', frame) k = cv2.waitKey(30) & 0xff if k == 27: # press 'ESC' to quit break cap.release() cv2.destroyAllWindows()
