#c_lang#drone#esp32#quadcopter
ESP-Drone is an open-source project using ESP32 chips to build a simple Wi-Fi drone you control with a phone app or gamepad. It offers stabilize, height-hold, and position-hold modes (with extensions), plus clear code for STEAM education, based on Crazyflie firmware. You benefit by easily making a cheap ($30-50), lightweight drone in 6-8 hours for fun indoor flights, learning electronics like sensors and motors, and customizing with open code—no extra radio needed.
https://github.com/espressif/esp-drone
# The standard string repr for dicts is hard to read:
»> my_mapping = {'a': 23, 'b': 42, 'c': 0xc0ffee}
»> my_mapping
{'b': 42, 'c': 12648430. 'a': 23} # 😞
# The "#json" module can do a much better job:
»> import json
»> print(json.dumps(my_mapping, indent=4, sort_keys=True))
{
"a": 23,
"b": 42,
"c": 12648430
}
# Note this only works with dicts containing
# primitive types (check out the "pprint" module):
»> json.dumps({all: 'yup'})
TypeError: keys must be a string
История(12м) как в Альфа-Банке сокращали размер JSON файла, который передается на устройство для работы SDUI. Решением стала шаблонизация для отказа от одинаковых блоков UI с разными данными
#оптимизация#json
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